350 EXCAVATOR WITH MATERIAL HANDLER 9FL00780-UP (MACHINE) HYDRAULIC SYSTEM Caterpillar SIS

Special Instruction

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}
Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}

Service Letter-NACD

The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak
The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Specifications

Accumulator
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Tool Operating Manual

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Service Letter-China

The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak
The Bond Between The Steel And The Rubber On The 3Q7749 Seal May Allow Gas To Leak

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Hydraulic Accumulator
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Hydraulic Accumulator and Mounting Groups are Available for Certain Excavators {5077}
2013/03/22

The Accumulator Discharging and Charging Procedures are Updated {5077}
The Accumulator Discharging and Charging Procedures are Updated {5077}

Disassembly and Assembly

Shuttle Valve (Swing Park Brake Release)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Special Instruction

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Technical Information Bulletin

102-3916/7Y1189 Radiator Assembly
102-3916/7Y1189 Radiator Assembly

Disassembly and Assembly

Hydraulic Oil Cooler
SUPPLEMENT FOR 3306 ENGINE 350 & 350L EXCAVATORS

Service Magazine

Canister Size Of Coolant Conditioner Element Has Changed{1350}
1985/11/25

Field Repair Of Cooler Cores Made Of Aluminium{1063,1374,1375}
1977/09/05

Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/23

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14

Improved Seals Used; Seal Replacement In Folded Core Radiators {1353}
1988/05/09

New Publication Available-"Coolant And Your Engine"{1395,0374,0375}
1989/02/13

Engine Coolant Can Be Recycled{1395}
1989/11/13

Caterpillar Introduces New Long Life Heavy Duty Engine Coolant{1395}
1994/09/19

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

Disassembly and Assembly

Counterweight (With Removal Device)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Eye Bolts Can Now Be Added To Counterweight For Easy Installation{7056}
1995/09/18

Disassembly and Assembly

Main Hydraulic Pumps (Implement & Travel) & Pump Drive Coupling
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}

Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Service Letter-NACD

Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators

Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators

Service Letter-CSARL

Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators

Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators

Service Letter-Americas

Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators
Product Support Program For Replacing The 4I4977 Boom Cylinder Pin That May Break On Certain 350 And 350l Excavators

Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators
Product Support Program For Replacing The Stick Cylinder Rod On Certain 350 And 350L Excavators

Technical Information Bulletin

Material Handler Stick Hydraulic Cylinder Rod Flexing
Material Handler Stick Hydraulic Cylinder Rod Flexing

Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Specifications

Hydraulic Cylinders
350 AND 350L EXCAVATORS ATTACHMENTS

Tool Operating Manual

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Bench Test Procedures

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Disassembly and Assembly

Bucket Cylinder
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Stick Cylinder
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Boom Cylinders
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Counterweight Lift Cylinders
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13

The Stick Cylinder Rod is Improved for 350 Excavators {7562}
1999/12/20

An Improved Dust Seal for Hydraulic Cylinders Increases the Service Life {5456, 5457, 5458, 7555, 7555}
2000/07/10

New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2003/06/30

New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2001/07/30

New High Temperature Buffer Seals Reduce Oil Leakage From Hydraulic Cylinders {7562}
2002/05/06

Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30

Procedure for the Removal of Air From Hydraulic Cylinders {7562}
2003/01/06

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2009/01/05

Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Specifications

Swing Drive (Right And Left)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Disassembly and Assembly

Swing Drives (Left & Right)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Swing Pump & Pump Drive
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Auxiliary Drive
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Breather Assembly Added To Swing Drive Group To Avoid Water Entrance {5459}
1995/09/25

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

New Swing Motors Increase Brake Capacity And Improve Reliability To The Swing Drive{5460,5058,5454}
1997/05/26

New Seals Improve The Swing Drive Reliability {5459}
1997/06/23

Improved Seal Position On Swing Drive Shaft Prevents Oil Leakage {5459}
1999/09/13

The Operational Definition For Excavator Swing Drive Oil Level Has Been Revised. {5459}
2003/12/15

An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators {4050, 4164, 5459, 7063}
An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators {4050, 4164, 5459, 7063}

Special Instruction

Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}

Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}

Tool Operating Manual

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Service Magazine

Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

A Replacement Filter Is Incorrectly Identified {5050, 5068}
2002/12/23

Optional High Efficiency Filters Are Now Available {3004, 5068}
2003/07/07

Measure the Case Drain During Repair of the Main Hydraulic Pump {5070, 5091}
2006/05/08

New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

Improved Design for the Quick Connector is now used {5057}
2004/04/05

Service Letter-NACD

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-Australia

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-CFEL

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-CSARL

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-Americas

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-China

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-Asia

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Letter-APD

THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS
THE FUSE NEEDS TO BE CHANGED IN THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325L, 325B L, 330 L, 330B, 345B, 350L, 375L, AND 5080 MATERIAL HANDLERS

THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS
THE PROGRAMMABLE LOGIC CONTROLLER (PLC) NEEDS TO BE EXCHANGED ON THE SOLID STATE MAGNET CONTROLLERS ON CERTAIN 320L, 325, 325 L, 330 L, 330B, 345B, 345B II, 350, 350 L, 375 L AND 5080 MATERIAL HANDLERS

Service Magazine

Excavator Magnet Warning Change {5702}
1999/10/18

Replacing the Hydraulic Generator Control (PLC) on the Magnet Controller {1408, 4450, 7610}
2003/11/03

Technical Information Bulletin

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Special Instruction

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Tool Operating Manual

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}

243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}

Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Service Magazine

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

New Protective Caps For Hose Clamps Are Now Available {5057}
2001/11/19

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Information Release Memo, PELJ0481 , "Product Line Expansion for Caterpillar Low and Medium Pressure Hose and Coupling Products" {5057}
2005/02/21

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

A New Ball Valve is Now Used in Stick Auxiliary Lines on Certain 325 to 390 Excavators {5057}
2015/02/04

Service Letter-NACD

Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators
Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators

Service Letter-CSARL

Reuse And Salvage Guidelines

Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}
Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}

Service Magazine

Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

The Center-Lock Hydraulic Pin Grabber Quick Couplers Have Specific Hydraulic Requirements {6129}
2010/04/15

Reuse And Salvage Guidelines

Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}
Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}

Service Magazine

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

Service Letter-NACD

Product Support Program For Changing The Front Lines Hoses From XT-5 To XT-6 And Adding Plate Assemblies To Cover The Hose Stem Ends On Certain 350 And 350L Excavators
Product Support Program For Changing The Front Lines Hoses From XT-5 To XT-6 And Adding Plate Assemblies To Cover The Hose Stem Ends On Certain 350 And 350L Excavators

Service Letter-CSARL

Special Instruction

Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Service Letter-NACD

Product Support Program For Changing The Front Lines Hoses From XT-5 To XT-6 And Adding Plate Assemblies To Cover The Hose Stem Ends On Certain 350 And 350L Excavators
Product Support Program For Changing The Front Lines Hoses From XT-5 To XT-6 And Adding Plate Assemblies To Cover The Hose Stem Ends On Certain 350 And 350L Excavators

Service Letter-CSARL

Technical Information Bulletin

Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}
Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Tool Operating Manual

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Service Magazine

Information On Types Of Hydraulic Line Connections{5057}
1995/01/16

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Solenoid Valve Assembly Is Improved In Pilot Lines Group {5479,5057}
1999/03/29

Special XT-6 Hose Assemblies Are Serviced As Assemblies {5057}
1999/07/19

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Service Magazine

Hydraulic Fluid Sampling Valve Is Relocated To The Pilot Lines Group {5057}
1998/02/16

Solenoid Valve Assembly Is Improved In Pilot Lines Group {5479,5057}
1999/03/29

Special Instruction

Installation of 136-1898 Valve Group in 350 Excavators{5051, 5051, 5057, 5264}
Installation of 136-1898 Valve Group in 350 Excavators{5051, 5051, 5057, 5264}

Technical Information Bulletin

Lines Group Pump
Lines Group Pump

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Service Magazine

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

Disassembly and Assembly

Pilot Manifold
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}

Service Letter-NACD

Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators
Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators

Service Letter-CSARL

Product Support Program For Replacing The Signal Relief Valves On Certain 350, 350L, 375, 375L And 5080 Excavators
Product Support Program For Replacing The Signal Relief Valves On Certain 350, 350L, 375, 375L And 5080 Excavators

Technical Information Bulletin

Idler Stub Shaft Mounting Bolts; Idler Gear Sleeve Bearings
Idler Stub Shaft Mounting Bolts; Idler Gear Sleeve Bearings

Service Magazine

Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17

Canister Size Of Coolant Conditioner Element Has Changed{1350}
1985/11/25

Information On Types Of Hydraulic Line Connections{5057}
1995/01/16

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Service Letter-NACD

Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators
Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Travel Motor
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Swing Motors (Right And Left)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Service Letter-China

Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators
Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators

Service Letter-Asia

Reuse And Salvage Guidelines

Specifications For Piston Motor Components On Travel Circuit Of MS180-8 and MS240-8 Hydraulic Excavators
Specifications For Piston Motor Components On Travel Circuit Of MS180-8 and MS240-8 Hydraulic Excavators

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Service Letter-APD

Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators
Install A New Retainer Plate In Both Travel Motors On Certain 350 And 350L Excavators

Bench Test Procedures

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Disassembly and Assembly

Travel Motors
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Final Drives & Travel Motors
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Swing Motor (Left)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Swing Motor (Right)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Swing Motors Increase Brake Capacity And Improve Reliability To The Swing Drive{5460,5058,5454}
1997/05/26

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

Service Parts Available For Travel Motor Parking Brake{5058}
1997/10/27

Integrated Changes To Travel Motor And Front Idler Produce Improved Service Life For Travel Motors. {4158, 4159, 5058}
2004/03/01

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Install Orifices in the 7I-8158 Casing Body When Rebuilding or Replacing the Piston Pumps{5070}
Install Orifices in the 7I-8158 Casing Body When Rebuilding or Replacing the Piston Pumps{5070}

Technical Information Bulletin

Lines Group Pump
Lines Group Pump

Specifications

Main Pump
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Swing Pump
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Pilot Pump (Connected To Swing Pump)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Reuse And Salvage Guidelines

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Bench Test Procedures

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}

Disassembly and Assembly

Engine & Main Hydraulic Pumps
SUPPLEMENT FOR 3306 ENGINE 350 & 350L EXCAVATORS

Pilot Pump
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Swing Pump & Pump Drive
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Auxiliary Drive
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Main Hydraulic Pumps (Implement & Travel) & Pump Drive Coupling
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Purge Air From Main Hydraulic Pumps
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Main Hydraulic Pump (Implement)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Main Hydraulic Pump (Travel)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Measure the Case Drain During Repair of the Main Hydraulic Pump {5070, 5091}
2006/05/08

New Metering Pump Groups For Steering Control Prevent Oil Leaks {4300, 4301, 4312}
2010/08/19

New Threaded Gland Cylinder Heads Have Stronger Seal Land{7562,4303,5102,5104,5105,5223,5229,5265,5452}
1996/11/11

Disassembly and Assembly

Swivel Group
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Pilot And Drain Passages In Swivel Have Same Seals As High Pressure Passages {5060}
1998/08/17

New High Temperature Seals For The Swivel Groups Improve Reliability {5060}
1999/08/02

New High Temperature Seals For The Swivel Groups Improve Reliability {5060}
1999/11/01

Specifications

Hydraulic Tank
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Tool Operating Manual

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Reuse And Salvage Guidelines

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Disassembly and Assembly

Hydraulic Oil Tank
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Improved Sight Gauges for the Hydraulic Tank and for the Fuel Tank Have Increased Durability {1273, 5056, 7479}
2003/12/08

Cap Assemblies Eliminate Need to Drain Hydraulic Tank During System Service {0738}
2004/03/08

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Welding On Fuel And Hydraulic Tanks {0353, 0679, 1273, 5056, 7000}
2005/12/19

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/10/01

Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/09/10

Special Instruction

Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}
Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Lip Type Seals {0599, 0733, 5050, 7555}
Lip Type Seals {0599, 0733, 5050, 7555}

Hose Inspection Form {0374, 0599, 5057, 5057}
Hose Inspection Form {0374, 0599, 5057, 5057}

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Tool Operating Manual

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}
Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

9U-5000 Series Hydraulic Test Bench {0599, 0738}
9U-5000 Series Hydraulic Test Bench {0599, 0738}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}
4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}

146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}
146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}

TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}
TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}
Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}

420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}
420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}

HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}

4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}
4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}

Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}

Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}
Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}

Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}
Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}

243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}

Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}
Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}
Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}
Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Bench Test Procedures

Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}
Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Service Magazine

Black Light Leak Detection Kit Available For Oil, Fuel and Cooling Systems {0774,1250,1300,1350}
1987/05/11

Extraction Tools For "Live Oil Sampling"{7770,0770,0781,0783,0784}
1988/04/18

Installation Of Valves For Live Oil Sampling{7770,0770,0781,0783,0784}
1988/06/06

Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08

Cap Assemblies Eliminate Need to Drain Hydraulic Tank During System Service {0738}
2004/03/08

New Hydraulic Hose Assembly Machine Integrates Crimputer II with Radial Crimping Technology {0738}
2004/05/03

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

Hose Kit Helps the Technician Properly Prepare Hydraulic Hose for Assembly {0684}
2004/05/31

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Remove Certain 6D-7726 Hose Assemblies from Inventory {0738}
2005/12/12

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

Special Instruction

Auxiliary Valve Flow Adjustment Procedure{5137, 5450}
Auxiliary Valve Flow Adjustment Procedure{5137, 5450}

Installation of 136-1898 Valve Group in 350 Excavators{5051, 5051, 5057, 5264}
Installation of 136-1898 Valve Group in 350 Excavators{5051, 5051, 5057, 5264}

Specifications

Slow Return Check Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Valve Groups
350 AND 350L EXCAVATORS ATTACHMENTS

Service Magazine

New Valve Guide Available{1104}
1995/12/25

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Specifications

Travel Brake Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Service Letter-NACD

Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators
Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators

Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators
Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators
Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators

Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators
Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators

Service Letter-Americas

Service Letter-Brazil

Specifications

Slow Return Check Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Service Letter-China

Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators
Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Bypass Check Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Slow Return Pressure Check Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Check Valve Group Has Stronger Spring Retainers {5067}
1997/04/07

New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13

An Improved Check Valve is Available {5067}
2001/07/30

Special Instruction

Procedure for the Repair of the Compensating Valves in the Main Hydraulic Control Valve{5051, 5086}
Procedure for the Repair of the Compensating Valves in the Main Hydraulic Control Valve{5051, 5086}

Service Magazine

An Improved Pump Control Valve is Now Available for Certain 350 Excavators {5086}
2011/04/29

Special Instruction

Auxiliary Valve Flow Adjustment Procedure{5137, 5450}
Auxiliary Valve Flow Adjustment Procedure{5137, 5450}

Procedure for the Repair of Compensator Valves in the Main Hydraulic Control Valve{5051, 5086}
Procedure for the Repair of Compensator Valves in the Main Hydraulic Control Valve{5051, 5086}

Procedure for the Repair of the Compensating Valves in the Main Hydraulic Control Valve{5051, 5086}
Procedure for the Repair of the Compensating Valves in the Main Hydraulic Control Valve{5051, 5086}

Service Letter-NACD

Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators
Inspect The Boom Lowering Check Valve On Certain 350, 350L, 375 And 375L Excavators

Service Letter-CSARL

Specifications

Main Control Valves (2ZL1-170, 9FL1-439, 3ML1-684, 7RK1-324, 9DK1-212)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Main Control Valve (2ZL171-Up, 9FL440-Up, 3ML685-Up, 7RK325-Up, 9DK213-Up)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Swing Control Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Pilot Control Valve (Implement And Swing)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Slow Return Check Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Valve Groups
350 AND 350L EXCAVATORS ATTACHMENTS

Tool Operating Manual

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Disassembly and Assembly

Drift Reduction Valve (Boom)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Drift Reduction Valve (Stick)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Automatic Travel Speed Change Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Swing Control Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Pilot Control Valves (Travel)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Hydraulic Activation Control Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Pilot Control Valves (Implement)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Main Control Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Valve Guide Available{1104}
1995/12/25

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

New Swing Motors Increase Brake Capacity And Improve Reliability To The Swing Drive{5460,5058,5454}
1997/05/26

New Control Valve Groups Improve Modulation For Boom, Bucket, And Stick{5051,5122,5461,5464}
1997/07/28

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

New Adjusting Screw Prevents Control Valve Leakage {5480}
1997/09/15

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

New Push Rods In The Pilot Control Valve Improve Service Life {5059,5465,5466}
1998/04/06

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13

An Improved Check Valve is Available {5067}
2001/07/30

Special Instruction, REHS1040 , "Procedure for the Repair of Compensator Valves in the Main Hydraulic Control Valve" is Available {5051}
2001/07/30

Special Instruction, REHS1565 , "Procedure for the Repair of the Compensating Valves in the Main Hydraulic Control Valve" is Available {5051, 5086}
2003/11/03

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Disassembly and Assembly

Travel Brake Valves
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

Specifications

Drift Reduction Valve
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Disassembly and Assembly

Drift Reduction Valve (Boom)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Drift Reduction Valve (Stick)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Engine News

Contamination Control Guidelines

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Service Magazine

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Service Letter-NACD

Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators
Product Support Program For Eliminating Hunting And Cycling During Boom Up Operation On Certain 350 And 375 Excavators

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-China

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Drift Reduction Valve (Boom)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Drift Reduction Valve (Stick)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Check Valve Group Has Stronger Spring Retainers {5067}
1997/04/07

New Balancing Hose Extends The Service Life Of Boom Lowering Control Valves {5057,5067,5456}
1999/09/13

Specifications

Pilot Oil Manifold
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Service Magazine

An Improved Ball Valve Gp is Now Used {1329}
2004/07/05

An Improved Ball Valve Gp Is Now Used {1329}
2004/07/05

The Work Tool Ball Valve Can Seize on Certain Wheeled and Medium Hydraulic Excavators {1329, 5001, 5130}
2010/11/01

Specifications

Pilot Control Valve (Implement And Swing)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Pilot Control Valve(Travel)
350 AND 350 L EXCAVATORS HYDRAULIC SYSTEM

Disassembly and Assembly

Pilot Control Valves (Travel)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Pilot Control Valves (Implement)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Pilot Manifold
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Pilot Relief Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

Hydraulic Fluid Sampling Valve Is Relocated To The Pilot Lines Group {5057}
1998/02/16

New Push Rods In The Pilot Control Valve Improve Service Life {5059,5465,5466}
1998/04/06

Solenoid Valve Assembly Is Improved In Pilot Lines Group {5479,5057}
1999/03/29

Disassembly and Assembly

Proportional Reducing Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Letter-CSARL

Product Support Program For Replacing The Signal Relief Valves On Certain 350, 350L, 375, 375L And 5080 Excavators
Product Support Program For Replacing The Signal Relief Valves On Certain 350, 350L, 375, 375L And 5080 Excavators

Tool Operating Manual

Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}

Service Magazine

Control Valve Groups Use New Relief Valve Groups with Screened Seats {5069}
1997/03/24

The 229-3612 Valve Seat Tool Gp Is Available to Repair Line Relief Valve Seats {0738, 5117}
2012/01/19

Disassembly and Assembly

Hydraulic Activation Control Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

Design Changes To The Pilot Valve And Main Hydraulic Control Valve Improve Implement Response And Vehicle Stability{5051,5465,5466}
1997/10/27

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

Disassembly and Assembly

Shuttle Valve (Swing Park Brake Release)
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Push Rods In The Pilot Control Valve Improve Service Life {5059,5465,5466}
1998/04/06

The Reliability of the Shuttle Valve Has Been Improved {4289, 5079}
2005/06/13

Disassembly and Assembly

Swing Control Pressure Switch & Swing Control Solenoid
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Travel Speed Solenoid Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

Solenoid Valve Assembly Is Improved In Pilot Lines Group {5479,5057}
1999/03/29

A New Coil Assembly is Now Used {5479}
2011/05/04

Disassembly and Assembly

Automatic Travel Speed Change Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

Service Magazine

New Adjusting Screw And Special Locknut For Main Control Valve Groups Use O-Rings To Improve Seal Between Adjusting Screw And Locknut {5051}
1997/03/24

New Spring Housing For Swing Control Valve Group Assures Correct Position For Bleeder Screw {5051,5480}
1997/04/14

Special Instructions SEHS9985, SEHS9986 Are Available For Installing 136-1898 Valve Group {5051,5057,5264}
1997/09/15

New Split Ring For O-Ring Seal On Plugs In Implement Control Valve Improves Reliability Of Seal In High Presssure Passages {5051}
1998/06/22

Jerky Implement Control Can Be Eliminated By Adding Orifice Plugs {5051}
1999/08/02

Disassembly and Assembly

Counterweight Control Valve
350 AND 350 L EXCAVATOR MACHINE SYSTEMS

350 EXCAVATOR WITH MATERIAL HANDLER 9FL00780-UP (MACHINE) HYDRAULIC SYSTEM Caterpillar SIS

Parts group 350-A L:

Information: