305E2 CR Mini Hydraulic Excavator BZ500001-UP (MACHINE) POWERED BY C2.4 Engine HYDRAULIC SYSTEM Caterpillar SIS

MINI HYD EXCAVATOR 305E2 CR MINI HYD EXCAVATOR BZ5
305E2 CR Mini Hydraulic Excavator BZ500001-UP (MACHINE) POWERED BY C2.4 Engine SEBP7614 305E2 CR BZ5 (2015)

Parts group 305E2 CR:

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HYDRAULIC SYSTEM

BRAKE GP

431-0305 BRAKE GP-SWING

431-0305 BRAKE GP-SWING
PART OF 452-3614 MOTOR GP-PISTON

CONTROL GP-VALVE

421-2718 VALVE & MTG GP-PILOT

421-2718 VALVE & MTG GP-PILOT -CAB
PART OF 460-7535, 460-7536 CAB AR
AN ATTACHMENT

470-0494 VALVE & MTG GP-PILOT

470-0494 VALVE & MTG GP-PILOT -TRAVEL
PART OF 460-7530 CHASSIS AR

COOLER GP

415-2620 RADIATOR & HYD OIL COOLER GP

415-2620 RADIATOR & HYD OIL COOLER GP
PART OF 479-2168 RADIATOR & HYD OIL COOLER GP

479-2168 RADIATOR & HYD OIL COOLER GP

479-2168 RADIATOR & HYD OIL COOLER GP
PART OF 468-5313 INSTALLATION AR-ENGINE

CYLINDER GP

461-0517 CYLINDER & SEAL GP-BLADE

461-0517 CYLINDER & SEAL GP-BLADE
90-MM (3.54-IN) BORE X 237.5-MM (9.35-IN) STROKE
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

461-0509 CYLINDER GP-BOOM

461-0509 CYLINDER GP-BOOM
S/N BZ51-264
95-MM (3.75-IN) BORE X 649-MM (25.55-IN) STROKE
PART OF 468-4613 BOOM AR

502-3496 CYLINDER GP-BOOM

502-3496 CYLINDER GP-BOOM
S/N BZ5265-UP
PART OF 468-4613 BOOM AR

461-0511 CYLINDER GP-BUCKET

461-0511 CYLINDER GP-BUCKET
75-MM (2.95-IN) BORE X 629-MM (24.75-IN) STROKE
PART OF 468-7064 LINKAGE AR-BUCKET

461-0510 CYLINDER GP-STICK

461-0510 CYLINDER GP-STICK
85-MM (3.35-IN) BORE X 658.5-MM (25.93-IN) STROKE
PART OF 468-7771 STICK AR

461-0512 CYLINDER GP-SWING BOOM

461-0512 CYLINDER GP-SWING BOOM
90-MM (3.54-IN) BORE X 600.5-MM (23.64-IN) STROKE
PART OF 468-4613 BOOM AR

469-1068 GUARD GP-CYLINDER

469-1068 GUARD GP-CYLINDER
PART OF 468-4613 BOOM AR

DRIVE GP

456-7221 DRIVE GP-SWING

456-7221 DRIVE GP-SWING
PART OF 397-6942 MOTOR & MTG GP-SWING

456-7223 DRIVE GP-SWING

456-7223 DRIVE GP-SWING
PART OF 456-7221 DRIVE GP-SWING

HYDRAULIC GP

465-3502 HYDRAULIC AR

465-3502 HYDRAULIC AR
PART OF 460-7529 COMMON AR

LINES GP

486-5179 LINES GP-OIL

486-5179 LINES GP-OIL
PART OF 457-1442, 470-1082, 470-1085 ENGINE AR-PRIMARY
AN ATTACHMENT

LINES GP-AUXILIARY

268-9951 LINES GP-AUXILIARY HYDRAULIC

268-9951 LINES GP-AUXILIARY HYDRAULIC -BOOM
PART OF 465-3503 CONTROL AR-AUXILIARY
AN ATTACHMENT

391-2479 LINES GP-AUXILIARY HYDRAULIC

391-2479 LINES GP-AUXILIARY HYDRAULIC -STANDARD STICK
PART OF 465-3503 CONTROL AR-AUXILIARY
AN ATTACHMENT

LINES GP-BLADE

468-4646 LINES GP-BLADE

468-4646 LINES GP-BLADE
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

LINES GP-BUCKET

344-2023 LINES GP-BUCKET

344-2023 LINES GP-BUCKET -STANDARD STICK
PART OF 468-7772 LINES GP-BUCKET
AN ATTACHMENT

344-2024 LINES GP-BUCKET

344-2024 LINES GP-BUCKET -LONG STICK
PART OF 468-7773 LINES GP-BUCKET
AN ATTACHMENT

468-7772 LINES GP-BUCKET

468-7772 LINES GP-BUCKET -STANDARD STICK
CANNOT BE USED WITH @@@@@468-7773@@@@@
AN ATTACHMENT

468-7773 LINES GP-BUCKET

468-7773 LINES GP-BUCKET -LONG STICK
CANNOT BE USED WITH @@@@@468-7772@@@@@
AN ATTACHMENT

LINES GP-CYLINDER

471-2123 LINES GP-SWING CYLINDER

471-2123 LINES GP-SWING CYLINDER
PART OF 465-3502 HYDRAULIC AR

LINES GP-FRONT

377-8864 LINES GP-FRONT

377-8864 LINES GP-FRONT -BOOM CYLINDER
PART OF 465-3502 HYDRAULIC AR

382-2553 LINES GP-FRONT

382-2553 LINES GP-FRONT
PART OF 465-3502 HYDRAULIC AR

382-2556 LINES GP-FRONT

382-2556 LINES GP-FRONT -AUXILIARY
PART OF 465-3503 CONTROL AR-AUXILIARY
AN ATTACHMENT

LINES GP-PILOT

465-3584 LINES GP-PILOT

465-3584 LINES GP-PILOT
PART OF 465-3502 HYDRAULIC AR

465-3589 LINES GP-PILOT

465-3589 LINES GP-PILOT -AUXILIARY
PART OF 465-3503 CONTROL AR-AUXILIARY
AN ATTACHMENT

465-3590 LINES GP-PILOT

465-3590 LINES GP-PILOT -JOYSTICK, 2-WAY
PART OF 465-3504 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

465-3591 LINES GP-PILOT

465-3591 LINES GP-PILOT -2-WAY
PART OF 465-3504 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

465-3593 LINES GP-PILOT

465-3593 LINES GP-PILOT -4-WAY
PART OF 465-3505 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

465-3594 LINES GP-PILOT

465-3594 LINES GP-PILOT -4-WAY
PART OF 465-3505 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

LINES GP-PUMP

465-3583 LINES GP-HYDRAULIC PUMP

465-3583 LINES GP-HYDRAULIC PUMP
S/N BZ51-211
PART OF 465-3502 HYDRAULIC AR

465-3583 LINES GP-HYDRAULIC PUMP

465-3583 LINES GP-HYDRAULIC PUMP
S/N BZ5212-UP
PART OF 465-3502 HYDRAULIC AR

LINES GP-RETURN

377-8866 LINES GP-RETURN

377-8866 LINES GP-RETURN
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

LINES GP-STICK

353-2202 LINES GP-STICK

353-2202 LINES GP-STICK
PART OF 468-7771 STICK AR

LINES GP-SWING

471-2123 LINES GP-SWING CYLINDER

471-2123 LINES GP-SWING CYLINDER
PART OF 465-3502 HYDRAULIC AR

465-3587 LINES GP-SWING MOTOR

465-3587 LINES GP-SWING MOTOR
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

LINES GP-TRAVEL MOTOR

432-1470 LINES GP-TRAVEL MOTOR

432-1470 LINES GP-TRAVEL MOTOR -STANDARD
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

MOTOR GP

397-6942 MOTOR & MTG GP-SWING

397-6942 MOTOR & MTG GP-SWING
PART OF 397-7058 POWER TRAIN AR

397-6944 MOTOR & MTG GP-TRAVEL

397-6944 MOTOR & MTG GP-TRAVEL
PART OF 397-7058 POWER TRAIN AR

452-3590 MOTOR GP-PISTON

452-3590 MOTOR GP-PISTON
PART OF 417-1114 DRIVE GP-FINAL

452-3614 MOTOR GP-PISTON

452-3614 MOTOR GP-PISTON
PART OF 456-7221 DRIVE GP-SWING

MOUNTING GP

382-2561 VALVE & MOUNTING GP

382-2561 VALVE & MOUNTING GP -ALTERNATE PATTERN CONTROL
PART OF 465-3505 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

421-2717 VALVE & MOUNTING GP

421-2717 VALVE & MOUNTING GP -CANOPY
PART OF 460-7533, 460-7534 CANOPY AR
AN ATTACHMENT

465-3588 VALVE & MOUNTING GP

465-3588 VALVE & MOUNTING GP
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

465-3592 VALVE & MOUNTING GP

465-3592 VALVE & MOUNTING GP -2-WAY
PART OF 465-3504 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

PUMP GP

467-3061 PUMP & MTG GP-MAIN HYDRAULIC

467-3061 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 465-3502 HYDRAULIC AR

467-3053 PUMP GP-MAIN HYDRAULIC

467-3053 PUMP GP-MAIN HYDRAULIC
PART OF 467-3061 PUMP & MTG GP-MAIN HYDRAULIC

376-0900 ROTATING GP-PUMP

376-0900 ROTATING GP-PUMP
PART OF 467-3053 PUMP GP-MAIN HYDRAULIC

398-7457 VALVE GP-PUMP CONTROL

398-7457 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 467-3053 PUMP GP-MAIN HYDRAULIC

SWIVEL GP

373-4963 SWIVEL GP

373-4963 SWIVEL GP
PART OF 432-1470 LINES GP-TRAVEL MOTOR
AN ATTACHMENT

TANK GP

347-6081 GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 367-1070 TANK & FILTER GP-HYDRAULIC

367-1070 TANK & FILTER GP-HYDRAULIC

367-1070 TANK & FILTER GP-HYDRAULIC
PART OF 367-0937 TANK & MTG GP-HYDRAULIC

367-0937 TANK & MTG GP-HYDRAULIC

367-0937 TANK & MTG GP-HYDRAULIC
PART OF 465-3502 HYDRAULIC AR

VALVE GP

382-2561 VALVE & MOUNTING GP

382-2561 VALVE & MOUNTING GP -ALTERNATE PATTERN CONTROL
PART OF 465-3505 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

421-2717 VALVE & MOUNTING GP

421-2717 VALVE & MOUNTING GP -CANOPY
PART OF 460-7533, 460-7534 CANOPY AR
AN ATTACHMENT

465-3588 VALVE & MOUNTING GP

465-3588 VALVE & MOUNTING GP
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

465-3592 VALVE & MOUNTING GP

465-3592 VALVE & MOUNTING GP -2-WAY
PART OF 465-3504 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

VALVE GP-CONTROL

465-3503 CONTROL AR-AUXILIARY

465-3503 CONTROL AR-AUXILIARY -STANDARD STICK
AN ATTACHMENT

480-7448 SEAL GP

480-7448 SEAL GP
PART OF 479-7727 PLATFORM GP-OPERATOR
AN ATTACHMENT

272-7823 VALVE GP-CONTROL

272-7823 VALVE GP-CONTROL -BLADE
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

272-7825 VALVE GP-CONTROL

272-7825 VALVE GP-CONTROL -WORK TOOL
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

272-7831 VALVE GP-CONTROL

272-7831 VALVE GP-CONTROL -OUTLET
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

280-1278 VALVE GP-CONTROL

280-1278 VALVE GP-CONTROL -STICK
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

335-9083 VALVE GP-CONTROL

335-9083 VALVE GP-CONTROL -BOOM SWING
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0617 VALVE GP-CONTROL

480-0617 VALVE GP-CONTROL -INLET
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0618 VALVE GP-CONTROL

480-0618 VALVE GP-CONTROL -TRAVEL, LH
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0619 VALVE GP-CONTROL

480-0619 VALVE GP-CONTROL -TRAVEL, RH
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0620 VALVE GP-CONTROL

480-0620 VALVE GP-CONTROL -BOOM
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0621 VALVE GP-CONTROL

480-0621 VALVE GP-CONTROL -BUCKET
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

480-0622 VALVE GP-CONTROL

480-0622 VALVE GP-CONTROL -SWING
PART OF 467-3057 VALVE GP-MAIN CONTROL
AN ATTACHMENT

467-3057 VALVE GP-MAIN CONTROL

467-3057 VALVE GP-MAIN CONTROL
PART OF 465-3588 VALVE & MOUNTING GP
AN ATTACHMENT

VALVE GP-PILOT

421-2718 VALVE & MTG GP-PILOT

421-2718 VALVE & MTG GP-PILOT -CAB
PART OF 460-7535, 460-7536 CAB AR
AN ATTACHMENT

470-0494 VALVE & MTG GP-PILOT

470-0494 VALVE & MTG GP-PILOT -TRAVEL
PART OF 460-7530 CHASSIS AR

465-3504 VALVE AR-ALT PATTERN CONTROL

465-3504 VALVE AR-ALT PATTERN CONTROL -2-WAY
AN ATTACHMENT

465-3505 VALVE AR-ALT PATTERN CONTROL

465-3505 VALVE AR-ALT PATTERN CONTROL -4-WAY
AN ATTACHMENT

268-3579 VALVE GP-PILOT

268-3579 VALVE GP-PILOT
PART OF 382-2561 VALVE & MOUNTING GP
AN ATTACHMENT

394-9996 VALVE GP-PILOT

394-9996 VALVE GP-PILOT -JOYSTICK CONTROL
PART OF 389-8782 CONTROL GP-JOYSTICK
AN ATTACHMENT

416-2294 VALVE GP-PILOT

416-2294 VALVE GP-PILOT -WITH SHUTTLE
PART OF 470-0494 VALVE & MTG GP-PILOT

467-3071 VALVE GP-PILOT

467-3071 VALVE GP-PILOT
PART OF 389-8782, 470-9638, 470-9640 CONTROL GP-JOYSTICK
AN ATTACHMENT

VALVE GP-RELIEF

452-3625 VALVE GP-RELIEF

452-3625 VALVE GP-RELIEF -SWING MOTOR
PART OF 452-3614 MOTOR GP-PISTON

VALVE GP-SELECTOR

465-3504 VALVE AR-ALT PATTERN CONTROL

465-3504 VALVE AR-ALT PATTERN CONTROL -2-WAY
AN ATTACHMENT

465-3505 VALVE AR-ALT PATTERN CONTROL

465-3505 VALVE AR-ALT PATTERN CONTROL -4-WAY
AN ATTACHMENT

VALVE GP-SEQUENCE

382-2561 VALVE & MOUNTING GP

382-2561 VALVE & MOUNTING GP -ALTERNATE PATTERN CONTROL
PART OF 465-3505 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

421-2717 VALVE & MOUNTING GP

421-2717 VALVE & MOUNTING GP -CANOPY
PART OF 460-7533, 460-7534 CANOPY AR
AN ATTACHMENT

465-3588 VALVE & MOUNTING GP

465-3588 VALVE & MOUNTING GP
PART OF 460-7532 BLADE AR-STRAIGHT
AN ATTACHMENT

465-3592 VALVE & MOUNTING GP

465-3592 VALVE & MOUNTING GP -2-WAY
PART OF 465-3504 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT

VALVE GP-SOLENOID

421-2718 VALVE & MTG GP-PILOT

421-2718 VALVE & MTG GP-PILOT -CAB
PART OF 460-7535, 460-7536 CAB AR
AN ATTACHMENT

470-0494 VALVE & MTG GP-PILOT

470-0494 VALVE & MTG GP-PILOT -TRAVEL
PART OF 460-7530 CHASSIS AR

438-8359 VALVE GP-SOLENOID

438-8359 VALVE GP-SOLENOID -FLOW CONTROL
PART OF 465-3592 VALVE & MOUNTING GP
AN ATTACHMENT

Information:

(For parts list, see above)

HYDRAULIC SYSTEM

ACCUMULATOR GP

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}

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 Magazine

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

COOLER GP

Specifications

Radiator and Hydraulic Oil Cooler
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

CYLINDER GP

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

Bucket Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Boom Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Swing Boom Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Cylinders (Boom, Stick and Bucket)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Blade Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

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}

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
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Cylinder Speed - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Bench Test Procedures

Service Magazine

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

DRIVE GP

Systems Operation

Swing Drive
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

FILTER GP

Operation and Maintenance Manual

Oil Filter - Inspect
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

Hydraulic System Oil Filter (Return) - Replace
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

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}

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

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}

HYDRAULIC GP

Systems Operation

Work Tool Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

LINES GP

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}

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}

Oil May Leak from the Hydraulic Connections on Certain Mini Hydraulic Excavators {5050, 5057, 5095}
Oil May Leak from the Hydraulic Connections on Certain Mini Hydraulic Excavators {5050, 5057, 5095}

Specifications

Auxiliary Hydraulic Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Tool Operating Manual

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

Reuse And Salvage Guidelines

Contamination Control Guidelines

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

LINES GP-AUXILIARY

Specifications

Auxiliary Hydraulic Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

LINES GP-BLADE

Systems Operation

Blade Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

LINES GP-BUCKET

Specifications

Bucket Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

LINES GP-HYDRAULIC

Special Instruction

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}

Oil May Leak from the Hydraulic Connections on Certain Mini Hydraulic Excavators {5050, 5057, 5095}
Oil May Leak from the Hydraulic Connections on Certain Mini Hydraulic Excavators {5050, 5057, 5095}

Specifications

Pilot Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Tool Operating Manual

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

Reuse And Salvage Guidelines

Contamination Control Guidelines

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

Service Magazine

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

LINES GP-PILOT

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}

Specifications

Pilot Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

LINES GP-PUMP

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}

Specifications

Pump Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Service Magazine

An Updated Pump Lines Group Is Now Used on Certain Mini Hydraulic Excavators {5057}
An Updated Pump Lines Group Is Now Used on Certain Mini Hydraulic Excavators {5057}

LINES GP-STICK

Specifications

Stick Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

LINES GP-TRAVEL MOTOR

Travel Motor Lines - Standard
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

LUBRICATION GP-HYDRAULIC

Testing and Adjusting

System Pressure - Release
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

MISCELLANEOUS INFORMATION

Special Instruction

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

MOTOR GP

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

Travel Motor and Mounting
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Radiator and Hydraulic Oil Cooler
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Travel Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Displacement Change Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Travel Counterbalance Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Swing Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Swing Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Reuse And Salvage Guidelines

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}

Testing and Adjusting

Machine Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Travel on Level Ground - Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Swing Speed and Overswing on Level Ground - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Travel on Level Ground - Test - Optional Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Swing Speed and Swing Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Swing Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Travel Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Bench Test Procedures

PUMP GP

Special Instruction

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

Specifications

Main Hydraulic Pump
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Pump Control (Main Hydraulic)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Main Hydraulic Pump
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Reuse And Salvage Guidelines

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

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

Testing and Adjusting

Pump Control (Output Flow) - Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Swing Speed and Overswing on Level Ground - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Swing Speed and Swing Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Main Hydraulic Pump Air - Purge
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Main Pump (Flow) - Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Margin Pressure - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Cutoff Pressure (Main Pump) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Bench Test Procedures

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}

SWIVEL GP

Specifications

Swivel
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Swivel
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

TANK GP

Operation and Maintenance Manual

Hydraulic System Oil Level - Check
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

Hydraulic System Oil - Change
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

Specifications

Hydraulic Tank and Filter
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

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}

Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}

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}

Bench Test Procedures

Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}

TOOLS

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

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

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

Contamination Control Guidelines

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

Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {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}

Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}
Filtration Procedure for Hydraulic Oil in Compact Equipment {0680, 0768, 5050, 5056}

VALVE GP

Testing and Adjusting

Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-BRAKE

Systems Operation

Pilot Valve (Swing Parking Brake)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

VALVE GP-CHECK & RELIEF

Testing and Adjusting

Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-CONTROL

Specifications

Main Control Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Main Control Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Testing and Adjusting

Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-DRIFT REDUCTION

Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-FLOW CONTROL

Operation and Maintenance Manual

Joystick Controls Alternate Patterns - If Equipped
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

VALVE GP-FLUID SAMPLING

Hydraulic System Oil Sample - Obtain
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

Contamination Control Guidelines

VALVE GP-LOAD CONTROL

Operation and Maintenance Manual

Equipment Lowering with Engine Stopped
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators

Testing and Adjusting

Cylinder Drift - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-MAKEUP

Systems Operation

Oil Makeup (Swing System)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Oil Makeup (Travel System)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

VALVE GP-PILOT

Specifications

Selector Valve (Control Pattern Change)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Pilot Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

VALVE GP-PRESSURE REDUCING

Testing and Adjusting

Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-RELIEF

Specifications

Relief Valve (Line)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Relief Valve (Line)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Relief Valve (Swing)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Testing and Adjusting

Machine Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Relief Valve (Swing) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Margin Pressure - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Relief Valve (Line) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

Pressure Reducing Valve (Pilot Oil) - Test and Adjust
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System

VALVE GP-SELECTOR

Specifications

Selector Valve (Control Pattern Change)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

VALVE GP-SOLENOID

Solenoid Valve - Flow Control
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Solenoid Valve - Auxiliary control
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications

Systems Operation

Solenoid Valve (Hydraulic Lockout)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems

Troubleshooting

Solenoid Valve - Test
304E2, 305E2 and 305.5E2 Mini Hydraulic Excavator

VALVE GP-UNLOADING

Systems Operation

Unloading Valve (Margin Relief)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems