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320 GC Excavator KTN00001-UP (MACHINE) POWERED BY C4.4 Engine HYDRAULIC SYSTEM Caterpillar SIS




Parts group 320 GC:

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HYDRAULIC SYSTEM

Information:

(For parts list, see above)

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}
Specifications
Accumulator (Pilot)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Accumulator (Pilot)
320 GC, 320 and 323 Excavator Machine Systems Specifications
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}
Systems Operation
Accumulator (Pilot)
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Accumulator (Pilot) - Test and Charge
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Accumulator - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
The Accumulator Discharging and Charging Procedures are Updated {5077}
The Accumulator Discharging and Charging Procedures are Updated {5077}
Operation and Maintenance Manual
Special Instruction
Installation of the <NOBR>491-6992</NOBR> Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Installation of the 491-6992 Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Specifications
Hydraulic Oil Cooler Lines Group
320 GC, 320 and 323 Excavator Machine Systems Specifications
Radiator and Hydraulic Oil Cooler
320 GC, 320 and 323 Excavator Machine Systems Specifications
Hydraulic Oil Cooler Lines Group
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Hydraulic Oil Cooler
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Technical Information Bulletin
Sound and Vibration May Occur on Certain 320, 320 GCand 323 Excavators {3252, 5057}
Sound and Vibration May Occur on Certain 320, 320 GCand 323 Excavators {3252, 5057}
Specifications
Pump Coupling
320 GC, 320 and 323 Excavator Machine Systems Specifications
Disassembly and Assembly
Pump Drive Coupling - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 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}
Specifications
Coupler Cylinder
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder
320 GC, 320 and 323 Excavator Machine Systems Specifications
Bucket Cylinder
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Cylinder
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Bucket Cylinder
320 GC, 320 and 323 Excavator Machine Systems
Boom Cylinder
320 GC, 320 and 323 Excavator Machine Systems
Stick Cylinder
320 GC, 320 and 323 Excavator Machine Systems
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> 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}
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}
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Speed - Check
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Drift - Check - Empty Bucket
320 GC, 320 and 323 Excavator Machine Systems
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> 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
Boom Cylinder - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Stick Cylinder - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Bucket Cylinder - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Load Control Valve (Stick Cylinder) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Bucket Cylinder - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Bucket Cylinder - Assemble
320GC, 320 and 323 Excavators Machine Systems
Stick Cylinder - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Boom Cylinder - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Boom Cylinder - Assemble
320GC, 320 and 323 Excavators Machine Systems
Stick Cylinder - Assemble
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
New Boom Cylinder Tube Assembly Is Now Used for Certain 320 GC, 320, and 323 Excavators {5057, 5456}
New Boom Cylinder Tube Assembly Is Now Used for Certain 320 GC, 320, and 323 Excavators {5057, 5456}
Operation and Maintenance Manual
Swing Drive Oil - Change
320 GC, 320 and 323 Excavator
Swing Drive Oil Level - Check
320 GC, 320 and 323 Excavator
Swing Drive Oil Sample - Obtain
320 GC, 320 and 323 Excavator
Specifications
Swing Drive Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Swing Drive
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Pump Drive and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Swing Drive Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Swing Drive
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Swing Drive - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Swing Drive - Assemble
320GC, 320 and 323 Excavators Machine Systems
Swing Motor - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Swing Motor - Assemble
320GC, 320 and 323 Excavators Machine Systems
Swing Drive - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
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}
Operation and Maintenance Manual
Oil Filter (Hydraulic Hammer) - Replace
320 GC, 320 and 323 Excavator
Oil Filter - Inspect
320 GC, 320 and 323 Excavator
Special Instruction
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}
Specifications
Hydraulic Tank and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Hydraulic Tank and Filter
320 GC, 320 and 323 Excavator Machine Systems
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}
Disassembly and Assembly
Hydraulic Tank and Filter - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
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}
Disassembly and Assembly
System Pressure - Release
320GC and 320 Excavator Engine Supplement
System Pressure - Release
320GC and 320 Excavator Engine Supplement
Special Instruction
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}
Installation of the <NOBR>491-6992</NOBR> Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Installation of the 491-6992 Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Auxiliary Hydraulic Lines - Stick
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Hydraulic Oil Cooler Lines Group
320 GC, 320 and 323 Excavator Machine Systems Specifications
Hydraulic Oil Cooler Lines Group
320 GC, 320 and 323 Excavator Machine Systems Specifications
Contamination Control Guidelines
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Special Instruction
Installation Procedure for <NOBR>374-5523</NOBR> Stick Lines Gp on Certain Hydraulic Excavators {5057}
Installation Procedure for 374-5523 Stick Lines Gp on Certain Hydraulic Excavators {5057}
Installation Procedure for <NOBR>384-2314</NOBR> Auxiliary Lines Gp (Stick) on Certain Hydraulic Excavators {5057}
Installation Procedure for 384-2314 Auxiliary Lines Gp (Stick) on Certain Hydraulic Excavators {5057}
Installation Procedure for <NOBR>384-2316</NOBR> Auxiliary Hydraulic Lines Gp <NOBR>2.9 m</NOBR> <NOBR>(9.5 ft)</NOBR> Stick {5057}
Installation Procedure for 384-2316 Auxiliary Hydraulic Lines Gp 2.9 m (9.5 ft) Stick {5057}
Installation Procedure for <NOBR>281-8236</NOBR> Auxiliary Hydraulic Lines Gp Stick on Certain Hydraulic Excavators {5057}
Installation Procedure for 281-8236 Auxiliary Hydraulic Lines Gp Stick on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>532-9405</NOBR> Auxiliary Hydraulic Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 532-9405 Auxiliary Hydraulic Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>532-9404</NOBR> Auxiliary Hydraulic Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 532-9404 Auxiliary Hydraulic Lines Gp on Certain Hydraulic Excavators {5057}
Rework Procedure of Stick Crack Around Mounting Plate of Auxiliary Line for Certain 320, 320 GC, and 323 Excavators {5057}
Rework Procedure of Stick Crack Around Mounting Plate of Auxiliary Line for Certain 320, 320 GC, and 323 Excavators {5057}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK AROUND MOUNTING PLATE OF AUXILIARY LINE ON CERTAIN 320, 320 GC, AND 323 NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK AROUND MOUNTING PLATE OF AUXILIARY LINE ON CERTAIN 320, 320 GC, AND 323 NGH EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Auxiliary Hydraulic Lines - Stick
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Hydraulic Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK AROUND MOUNTING PLATE OF AUXILIARY LINE ON CERTAIN 320, 320 GC, AND 323 NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK AROUND MOUNTING PLATE OF AUXILIARY LINE ON CERTAIN 320, 320 GC, AND 323 NGH EXCAVATORS
Service Letter-Asia
Service Letter-APD
Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Boom Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Magazine
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Special Instruction
Procedure to Relocate the BLCV Sensor on Certain 320 GC, 320, and 323 Excavators {5057, 5456}
Procedure to Relocate the BLCV Sensor on Certain 320 GC, 320, and 323 Excavators {5057, 5456}
Service Magazine
A New Location for the BLCV Sensor Is Now Used on Certain 320 GC, 320, and 323 Excavators {5057, 5456}
A New Location for the BLCV Sensor Is Now Used on Certain 320 GC, 320, and 323 Excavators {5057, 5456}
New Boom Cylinder Tube Assembly Is Now Used for Certain 320 GC, 320, and 323 Excavators {5057, 5456}
New Boom Cylinder Tube Assembly Is Now Used for Certain 320 GC, 320, and 323 Excavators {5057, 5456}
Specifications
Drain Line
320 GC, 320 and 323 Excavator Machine Systems Specifications
Drain Line
320 GC, 320 and 323 Excavator Machine Systems Specifications
Special Instruction
Installation of the <NOBR>489-2976</NOBR> Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 489-2976 Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>492-2066</NOBR> Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 492-2066 Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>531-3322</NOBR> Front Lines Gp on Certain Excavators {5057}
Installation of the 531-3322 Front Lines Gp on Certain Excavators {5057}
Installation of the <NOBR>523-6217</NOBR> Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 523-6217 Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>525-7681</NOBR> Front Lines Gp on Certain Excavators {5057}
Installation of the 525-7681 Front Lines Gp on Certain Excavators {5057}
Installation of the <NOBR>531-3323</NOBR> Front Lines Gp on Certain Excavators {5057}
Installation of the 531-3323 Front Lines Gp on Certain Excavators {5057}
Installation of the <NOBR>549-7938</NOBR> Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 549-7938 Front Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>552-5468</NOBR> Front Lines Gp on Certain Excavators {5057}
Installation of the 552-5468 Front Lines Gp on Certain Excavators {5057}
Installation of the <NOBR>558-1387</NOBR> Front Lines Gp on Certain Next Generation Hydraulic Excavators {5057}
Installation of the 558-1387 Front Lines Gp on Certain Next Generation Hydraulic Excavators {5057}
Installation of the <NOBR>558-1388</NOBR> Front Lines Gp on Certain Next Generation Hydraulic Excavators {5057}
Installation of the 558-1388 Front Lines Gp on Certain Next Generation Hydraulic Excavators {5057}
Installation of the <NOBR>558-1389</NOBR> Front Lines Gp on Certain Excavators {5057}
Installation of the 558-1389 Front Lines Gp on Certain Excavators {5057}
Procedure to Install <NOBR>558-1390</NOBR> Front Lines Gp on Certain 320, 320GC, and 323 Hydraulic Excavators {5057}
Procedure to Install 558-1390 Front Lines Gp on Certain 320, 320GC, and 323 Hydraulic Excavators {5057}
Technical Information Bulletin
Sound and Vibration May Occur on Certain 320, 320 GCand 323 Excavators {3252, 5057}
Sound and Vibration May Occur on Certain 320, 320 GCand 323 Excavators {3252, 5057}
Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Front Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Magazine
New Hose Routing Is Now Available for Certain 320, 320 GC and 323 Excavators with Tool 20 or Tool 25 {5057}
New Hose Routing Is Now Available for Certain 320, 320 GC and 323 Excavators with Tool 20 or Tool 25 {5057}
Special Instruction
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}
Installation of the <NOBR>491-6992</NOBR> Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Installation of the 491-6992 Oil Cooler Lines Gp on Certain Hydraulic Excavators {1374}
Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Bucket Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Hydraulic Oil Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Cylinder Lines - Stick Lowering Control
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Contamination Control Guidelines
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Testing and Adjusting
Accumulator (Pilot) - Test and Charge
320 GC, 320 and 323 Excavator Machine Systems
Hydraulic System Air - Purge - Medium Pressure Circuit
320 GC, 320 and 323 Excavator Machine Systems
Service Magazine
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Special Instruction
Installation of the <NOBR>492-2069</NOBR> Pilot Lines Gp on Certain Hydraulic Excavators {5057, 5059}
Installation of the 492-2069 Pilot Lines Gp on Certain Hydraulic Excavators {5057, 5059}
Installation of the <NOBR>557-7502</NOBR> Pilot Lines Gp on Certain 320 and 323 Next Generation Hydraulic Excavators {5057, 5059}
Installation of the 557-7502 Pilot Lines Gp on Certain 320 and 323 Next Generation Hydraulic Excavators {5057, 5059}
Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Accumulator (Pilot)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Accumulator (Pilot)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pilot Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Magazine
Improved Hose Routing for the Boom Load Control Valve Is Now Used on Certain 320 GC, 320 and 323 Excavators {5057, 5059}
Improved Hose Routing for the Boom Load Control Valve Is Now Used on Certain 320 GC, 320 and 323 Excavators {5057, 5059}
Special Instruction
Installation of the <NOBR>489-2963</NOBR> Pump Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 489-2963 Pump Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the <NOBR>559-3856</NOBR> Pump Lines Gp on Certain Hydraulic Excavators {5057}
Installation of the 559-3856 Pump Lines Gp on Certain Hydraulic Excavators {5057}
Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Pump Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Lines - Quick Coupler
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Cylinder Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Stick Cylinder Lines - Stick Lowering Control
320 GC, 320 and 323 Excavator Machine Systems Specifications
Disassembly and Assembly
Load Control Valve (Stick Cylinder) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
Special Instruction
Rework Procedure of the Left Side Travel Motor Drain Hose Connection On Certain Excavators {5057, 5058}
Rework Procedure of the Left Side Travel Motor Drain Hose Connection On Certain Excavators {5057, 5058}
Specifications
Travel Motor Lines
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Magazine
New Grommets Improve Support for Travel Lines on Certain 320, 320 GC, and 323 Excavators {5057, 5058}
New Grommets Improve Support for Travel Lines on Certain 320, 320 GC, and 323 Excavators {5057, 5058}
New Travel Motor Drain Hose Routing Is Now Used on Certain Excavators and Mobile Hydraulic Power Units {5057, 5058}
New Travel Motor Drain Hose Routing Is Now Used on Certain Excavators and Mobile Hydraulic Power Units {5057, 5058}
Testing and Adjusting
System Pressure - Release
320 GC, 320 and 323 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}
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
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Travel Motor
320 GC, 320 and 323 Excavator Machine Systems Specifications
Travel Motor
320 GC, 320 and 323 Excavator Machine Systems Specifications
Travel Counterbalance Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Travel Motor Guard
320 GC, 320 and 323 Excavator Machine Systems Specifications
Travel Motor and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Swing Motor
320 GC, 320 and 323 Excavator Machine Systems Specifications
Radiator and Hydraulic Oil Cooler
320 GC, 320 and 323 Excavator Machine Systems Specifications
Travel Motor
320 GC, 320 and 323 Excavator Machine Systems Specifications
Swing Motor
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
Service Letter-Asia
Systems Operation
Travel System
320 GC, 320 and 323 Excavator Machine Systems
Travel Motor
320 GC, 320 and 323 Excavator Machine Systems
Displacement Change Valve
320 GC, 320 and 323 Excavator Machine Systems
Travel Counterbalance Valve
320 GC, 320 and 323 Excavator Machine Systems
Swing Motor
320 GC, 320 and 323 Excavator Machine Systems
Solenoid Valve (Fine Swing) - If Equipped
320 GC, 320 and 323 Excavator Machine Systems
Travel Counterbalance Valve
320 GC, 320 and 323 Excavator Machine Systems
Travel Motor
320 GC, 320 and 323 Excavator Machine Systems
Travel System
320 GC, 320 and 323 Excavator Machine Systems
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}
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
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORK OF THE LEFT TRAVEL MOTOR DRAIN HOSE ON CERTAIN 318F, 320, 323, 323F, 325F, 326D, 326F, 330D2, AND 330F NGH EXCAVATORS
Testing and Adjusting
Travel on Level Ground - Test
320 GC, 320 and 323 Excavator Machine Systems
Automatic Travel Speed Control - Test
320 GC, 320 and 323 Excavator Machine Systems
Machine Drift on a Slope - Check
320 GC, 320 and 323 Excavator Machine Systems
Swing Speed and Overswing on Level Ground - Check
320 GC, 320 and 323 Excavator Machine Systems
Swing Speed and Swing Drift on a Slope - Check
320 GC, 320 and 323 Excavator Machine Systems
Travel on Level Ground - Test - Optional Test
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Crossover) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Swing Motor - Test - Measurement of Case Drain Oil
320 GC, 320 and 323 Excavator Machine Systems
Travel Motor - Test - Measurement of Case Drain Oil
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Crossover) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Travel Motor - Test - Measurement of Case Drain Oil
320 GC, 320 and 323 Excavator Machine Systems
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}
Troubleshooting
Disassembly and Assembly
Travel Motor - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Travel Motor - Assemble
320GC, 320 and 323 Excavators Machine Systems
Travel Motor - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Final Drive and Travel Motor - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Swing Motor - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Swing Motor - Assemble
320GC, 320 and 323 Excavators Machine Systems
Swing Motor - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Travel Motor - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Travel Motor - Assemble
320GC, 320 and 323 Excavators Machine Systems
Travel Motor - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Specifications
Hydraulic Tank and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Excavator Pins (Boom and Boom Cylinder)
320 GC, 320 and 323 Excavator Machine Systems Specifications
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}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Installation of the <NOBR>493-3205</NOBR> Gear Pump and Mounting Gp on Certain Hydraulic Excavators {5073}
Installation of the 493-3205 Gear Pump and Mounting Gp on Certain Hydraulic Excavators {5073}
Procedure to Install the Pump Control Valve Group on Certain 320, 320 GC, and 323 Excavators {5455}
Procedure to Install the Pump Control Valve Group on Certain 320, 320 GC, and 323 Excavators {5455}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Gear Pump
320 GC, 320 and 323 Excavator Machine Systems Specifications
Main Hydraulic Pump
320 GC, 320 and 323 Excavator Machine Systems Specifications
Auxiliary Pump Drive and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
Service Letter-Asia
Systems Operation
Main Hydraulic Pump
320 GC, 320 and 323 Excavator Machine Systems
Pump Control (Main Hydraulic) - Main Pump Regulator
320 GC, 320 and 323 Excavator Machine Systems
General Information (Main Pump System)
320 GC, 320 and 323 Excavator Machine Systems
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}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 320 AND 323 EXCAVATORS
Testing and Adjusting
Main Hydraulic Pump Air - Purge
320 GC, 320 and 323 Excavator Machine Systems
Swing Speed and Overswing on Level Ground - Check
320 GC, 320 and 323 Excavator Machine Systems
Swing Speed and Swing Drift on a Slope - Check
320 GC, 320 and 323 Excavator Machine Systems
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Main Pump (Flow) - Test - Hydraulic Power
320 GC, 320 and 323 Excavator Machine Systems
Pump Control (Output Flow) - Adjust
320 GC, 320 and 323 Excavator Machine Systems
Main Pump - Calibrate
320 GC, 320 and 323 Excavator Machine Systems
Hydraulic System Air - Purge - Medium Pressure Circuit
320 GC, 320 and 323 Excavator Machine Systems
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
Main Hydraulic Pump - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Main Hydraulic Pump - Assemble
320GC, 320 and 323 Excavators Machine Systems
Main Hydraulic Pump - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Specifications
Swivel
320 GC, 320 and 323 Excavator Machine Systems Specifications
Swivel
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Swivel
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Swivel - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Swivel - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Swivel - Assemble
320GC, 320 and 323 Excavators Machine Systems
Operation and Maintenance Manual
Hydraulic System Oil Level - Check
320 GC, 320 and 323 Excavator
Hydraulic System Oil - Change
320 GC, 320 and 323 Excavator
Specifications
Hydraulic Tank and Mounting
320 GC, 320 and 323 Excavator Machine Systems Specifications
Hydraulic Tank and Filter
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Hydraulic Tank and Filter
320 GC, 320 and 323 Excavator Machine Systems
Contamination Control Guidelines
Procedure for Filtering <NOBR> 9U-5000</NOBR> 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}
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 Tank and Filter - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Hydraulic Tank - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Hydraulic Tank - Remove and Install - Case Drain Screen
320GC, 320 and 323 Excavators Machine Systems
Hydraulic Tank - Remove and Install - Suction Screen
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
Improved Differential Pressure Switch for the Hydraulic Return Filter Is Now Available for Certain 320 to 336 Excavators {5056, 5068}
Improved Differential Pressure Switch for the Hydraulic Return Filter Is Now Available for Certain 320 to 336 Excavators {5056, 5068}
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}
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}
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 <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Contamination Control Guidelines
Procedure for Filtering <NOBR> 9U-5000</NOBR> 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}
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 <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Systems Operation
Solenoid Valve (Fine Swing) - If Equipped
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Service Magazine
Improved Main Control Valve End Covers Are Now Used on Certain 320 GC, 320, and 323 Excavators {5051, 5137}
Improved Main Control Valve End Covers Are Now Used on Certain 320 GC, 320, and 323 Excavators {5051, 5137}
Specifications
Control Valve (Auxiliary)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Pilot Valve (Swing Parking Brake)
320 GC, 320 and 323 Excavator Machine Systems
Specifications
Check Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Check Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Boom Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Check Valve (Load)
320 GC, 320 and 323 Excavator Machine Systems
Control Valve (Boom Lowering)
320 GC, 320 and 323 Excavator Machine Systems
Stick Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Check Valve (Return Makeup)
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Check Valve (Cooler Bypass) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Systems Operation
Boom Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Control Valve (Boom Lowering)
320 GC, 320 and 323 Excavator Machine Systems
Stick Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Drift - Check - Empty Bucket
320 GC, 320 and 323 Excavator Machine Systems
Operation and Maintenance Manual
SmartBoom Operation - If Equipped
320 GC, 320 and 323 Excavator
SmartBoom Control - If Equipped
320 GC, 320 and 323 Excavator
Special Instruction
Installation Master Guide for the <NOBR>533-1782</NOBR> Auxiliary Control Ar (Tool Control) on Certain Next Generation Hydraulic Excavators {5051}
Installation Master Guide for the 533-1782 Auxiliary Control Ar (Tool Control) on Certain Next Generation Hydraulic Excavators {5051}
Installation of the <NOBR>532-0153</NOBR> Valve Gp on Certain Hydraulic Excavators {5051}
Installation of the 532-0153 Valve Gp on Certain Hydraulic Excavators {5051}
Master Install Guide for the <NOBR>533-4529</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Install Guide for the 533-4529 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Installation of the <NOBR>489-2977</NOBR> Front Lines Gp on Certain Hydraulic Excavators {5051}
Installation of the 489-2977 Front Lines Gp on Certain Hydraulic Excavators {5051}
Installation of the <NOBR>490-2738</NOBR> Chassis Wiring Gp on Certain Hydraulic Excavators {5051}
Installation of the 490-2738 Chassis Wiring Gp on Certain Hydraulic Excavators {5051}
Master Installation Guide for the <NOBR>540-1462</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Installation Guide for the 540-1462 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Installation Guide for the <NOBR>542-1547</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Installation Guide for the 542-1547 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Installation Guide for the <NOBR>542-1549</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Master Installation Guide for the 542-1549 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Procedure to Purge Air from the Pilot Circuit on Certain Excavators {5051}
Procedure to Purge Air from the Pilot Circuit on Certain Excavators {5051}
Installation Master Guide for the <NOBR>557-7852</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Installation Master Guide for the 557-7852 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Installation Master Guide for the <NOBR>557-7854</NOBR> Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Installation Master Guide for the 557-7854 Auxiliary Control Ar on Certain Next Generation Hydraulic Excavators {5051}
Installation of the <NOBR>557-7853</NOBR> Valve Gp on Certain Next Generation Excavators {5051}
Installation of the 557-7853 Valve Gp on Certain Next Generation Excavators {5051}
Installation of the <NOBR>557-7853</NOBR> Control Valve Gp on Certain Next Generation Excavators {5051}
Installation of the 557-7853 Control Valve Gp on Certain Next Generation Excavators {5051}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Main Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Control Valve (Auxiliary)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Control Valve (Stick Lowering)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
Service Letter-Asia
Systems Operation
Main Control Valve
320 GC, 320 and 323 Excavator Machine Systems
General Information (Main Control Valve)
320 GC, 320 and 323 Excavator Machine Systems
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE MAIN CONTROL VALVE COVERS ON CERTAIN 320 320GC, AND 323 NGH EXCAVATORS
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Drift - Check - Empty Bucket
320 GC, 320 and 323 Excavator Machine Systems
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Main Control Valve - Assemble
320GC, 320 and 323 Excavators Machine Systems
Main Control Valve - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Main Control Valve - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
New Pilot Cover Assembly for Main Control Valve Is Now Available for Certain 320, 320 GC, and 323Excavators {5051}
New Pilot Cover Assembly for Main Control Valve Is Now Available for Certain 320, 320 GC, and 323Excavators {5051}
Improved Main Control Valve End Covers Are Now Used on Certain 320 GC, 320, and 323 Excavators {5051, 5137}
Improved Main Control Valve End Covers Are Now Used on Certain 320 GC, 320, and 323 Excavators {5051, 5137}
Disassembly and Assembly
Check Valve (Cooler Bypass) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Check Valve (Cooler Bypass) - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Check Valve (Cooler Bypass) - Assemble
320GC, 320 and 323 Excavators Machine Systems
Specifications
Travel Counterbalance Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Disassembly and Assembly
Counterbalance Valve (Travel) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Systems Operation
Relief Valve (Cushion Crossover) - Anti-Reaction Valve
320 GC, 320 and 323 Excavator Machine Systems
Boom Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Stick Drift Reduction Valve
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Drift - Check - Empty Bucket
320 GC, 320 and 323 Excavator Machine Systems
Operation and Maintenance Manual
Joystick Controls Alternate Patterns
320 GC, 320 and 323 Excavator
Work Tool Flow Control
320 GC, 320 and 323 Excavator
Hydraulic System Oil Sample - Obtain
320 GC, 320 and 323 Excavator
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}
Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Operation and Maintenance Manual
Equipment Lowering with Engine Stopped
320 GC, 320 and 323 Excavator
Specifications
Control Valve (Stick Lowering)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Check Valve (Load)
320 GC, 320 and 323 Excavator Machine Systems
Control Valve (Stick Lowering)
320 GC, 320 and 323 Excavator Machine Systems
Control Valve (Boom Lowering)
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
320 GC, 320 and 323 Excavator Machine Systems
Cylinder Drift - Check - Empty Bucket
320 GC, 320 and 323 Excavator Machine Systems
Disassembly and Assembly
Load Control Valve (Stick Cylinder) - Remove and Install
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
Improved Load Control Valve Group Is Now Available for Certain 320, 320 GC, and 323 Excavators {5067, 5117, 5147, 5811}
Improved Load Control Valve Group Is Now Available for Certain 320, 320 GC, and 323 Excavators {5067, 5117, 5147, 5811}
Systems Operation
Oil Makeup (Travel System)
320 GC, 320 and 323 Excavator Machine Systems
Check Valve (Return Makeup)
320 GC, 320 and 323 Excavator Machine Systems
Oil Makeup (Travel System)
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Joystick and Pedal - Calibrate
320 GC, 320 and 323 Excavators Tool Control System
Solenoid Valve (Proportional Reducing) - Calibrate - Main Pump Flow Limit
320 GC, 320 and 323 Excavators Tool Control System
Disassembly and Assembly
Joystick Control and Mounting - Remove and Install - Left Side
320GC, 320 and 323 Excavators Machine Systems
Joystick Control and Mounting - Remove and Install - Right Side
320GC, 320 and 323 Excavators Machine Systems
Pilot Valve (Joystick) - Disassemble
320GC, 320 and 323 Excavators Machine Systems
Pilot Valve (Joystick) - Assemble
320GC, 320 and 323 Excavators Machine Systems
Service Magazine
New Springs are Now Available for the Joystick on Certain Next Generation Hydraulic Excavators {5059}
New Springs are Now Available for the Joystick on Certain Next Generation Hydraulic Excavators {5059}
Systems Operation
Solenoid Valves
320 GC, 320 and 323 Excavators Tool Control System
Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Pump Control Valve
320 GC, 320 and 323 Excavator Machine Systems Specifications
Testing and Adjusting
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Specifications
Relief Valve (Main)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Relief Valve (Line)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Relief Valve (Line)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Relief Valve - Pilot
320 GC, 320 and 323 Excavator Machine Systems Specifications
Systems Operation
Relief Valve (Swing)
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Main) - Heavy Lift
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Main)
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Line)
320 GC, 320 and 323 Excavator Machine Systems
Testing and Adjusting
Machine Drift on a Slope - Check
320 GC, 320 and 323 Excavator Machine Systems
Pressure Reducing Valve (Pilot Oil) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Swing) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Crossover) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Main) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Relief Valve (Line) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Medium Pressure: Relief Valve (Line) - Test and Adjust
320 GC, 320 and 323 Excavators Tool Control System
Medium Pressure: Relief Valve (Main) - Test and Adjust
320 GC, 320 and 323 Excavators Tool Control System
Relief Valve (Crossover) - Test and Adjust
320 GC, 320 and 323 Excavator Machine Systems
Specifications
Shuttle Valve (Pump Flow Control)
320 GC, 320 and 323 Excavator Machine Systems Specifications
Special Instruction
Procedure to Install Fine Grading on Certain 320, 320 GC, and 323 Next Generation Excavators {1408, 5479}
Procedure to Install Fine Grading on Certain 320, 320 GC, and 323 Next Generation Excavators {1408, 5479}
Systems Operation
Solenoid Valve (Hydraulic Lockout)
320 GC, 320 and 323 Excavator Machine Systems
Solenoid Valve (Fine Swing) - If Equipped
320 GC, 320 and 323 Excavator Machine Systems
Solenoid Valves
320 GC, 320 and 323 Excavators Tool Control System
Testing and Adjusting
Solenoid Valve (Proportional Reducing) - Calibrate - Main Pump Flow Limit
320 GC, 320 and 323 Excavators Tool Control System
Troubleshooting
Solenoid Valve - Test
320 GC, 320, 323, 330 GC and 330 Excavator Machine Systems Troubleshooting
Systems Operation
Control Valve (Straight Travel)
320 GC, 320 and 323 Excavator Machine Systems
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