VOLVO L330C WHEEL LOADER SERVICE REPAIR MANUAL PDF – 917 PAGES

The Volvo L330C Wheel Loader Service Repair Manual is a comprehensive technical reference for servicing, troubleshooting, inspecting, adjusting, maintaining, and repairing the Volvo L330C wheel loader.

This 917-page PDF workshop manual, with information updated in 2020, provides technical documentation for the engine, fuel injection system, electrical equipment, Contronic monitoring system, power transmission, drive axles, brakes, steering, frame, operator cab, and working hydraulic systems.

The manual includes system descriptions, component repair procedures, removal and installation instructions, hydraulic pressure testing, electrical wiring diagrams, hydraulic circuit diagrams, technical specifications, adjustment procedures, and workshop safety information.

Important technical subjects include the Contronic electronic monitoring system, APS II Automatic Power Shift transmission, torque converter, Comfort Drive Control (CDC), Boom Suspension System (BSS), and hydraulic pump systems P1–P4.

This publication is intended for professional heavy equipment mechanics, Volvo construction machinery technicians, repair workshops, maintenance departments, and Volvo L330C owners responsible for servicing their equipment.

MANUAL DETAILS

• Manufacturer: Volvo Construction Equipment
• Equipment Model: L330C Wheel Loader
• Manual Type: Service Repair / Workshop Manual
• File Format: PDF
• Number of Pages: 917
• Information Update: 2020
• Delivery: Digital Download

WHAT IS INCLUDED IN THIS SERVICE REPAIR MANUAL?

The documentation covers the major mechanical, electrical, hydraulic, and structural systems of the Volvo L330C wheel loader.

It is organized into technical descriptions, wiring and hydraulic diagrams, installation instructions, repair procedures, safety information, and specifications.

1. GENERAL SERVICE AND WORKSHOP INFORMATION

The general section contains introductory technical information and standard service procedures.

Included topics:

• General machine descriptions
• Product identification plates
• Workshop service information
• Service Time Guide
• Special service tools
• Workshop-manufactured E-tools
• Electrical welding precautions
• Machine towing procedures
• Machine recovery procedures

2. ENGINE DESCRIPTION AND INTERNAL COMPONENTS

The engine section contains technical descriptions of major engine components and their operation.

ENGINE MECHANICAL COMPONENTS

• Engine general descriptions
• Camshaft
• Engine timing gears
• Injection timing device
• Pistons
• Engine oil cooler
• Cylinder block
• Cylinder head and cylinder liner sealing joints

ENGINE SERVICE PROCEDURES

• Engine removal
• Engine installation
• Engine functional checks
• Engine idle speed testing and adjustment
• Engine stall speed testing
• Electrical key-turn engine stop checking and adjustment
• Engine oil sump gasket replacement

3. ENGINE FUEL INJECTION SYSTEM

The manual includes technical information for the engine fuel delivery and injection systems.

FUEL SYSTEM COMPONENTS

• Fuel injection pump
• Fuel injectors
• Fuel tank
• Fuel system air bleeding
• Injection timing device
• Engine stop solenoid

FUEL SYSTEM SERVICE

• Fuel injection angle checking
• Fuel injection angle adjustment
• Injection timing device inspection
• Fuel tank replacement
• Fuel system bleeding
• Engine idle speed adjustment

4. ENGINE COOLING, LUBRICATION AND AIR INTAKE

The manual provides technical information for engine cooling, lubrication, and air intake equipment.

COOLING SYSTEM

• Engine cooling system
• Radiator replacement
• Coolant filter
• Cooling fan operation
• Hydraulic fan pump motor
• Fan pump motor hydraulic pressure testing
• Fan pump motor pressure adjustment

AIR INTAKE AND LUBRICATION

• Charge-air cooler / intercooler
• Engine lubrication system
• Engine oil cooler
• Engine lubrication specifications
• Engine cooling specifications

5. CONTRONIC ELECTRONIC MONITORING SYSTEM

An important feature of this manual is its documentation of the Volvo Contronic system.

CONTRONIC SYSTEM INFORMATION

• Contronic system descriptions
• Electronic control unit operation
• Monitored functions
• Instruments and controls
• Central warning functions
• Functions outside the central warning system
• Service Contronic Display Unit
• Components connected to the control unit

ELECTRONIC CONTROL FUNCTIONS

• ECU-related electrical functions
• Operation with the ECU disconnected
• Electrical distribution boxes
• Control unit functional descriptions
• Electrical system operating information

6. ELECTRICAL SYSTEM AND WIRING DIAGRAMS

The electrical section provides extensive technical information for circuit identification and electrical troubleshooting.

ELECTRICAL SYSTEM COMPONENTS

• Electrical distribution box
• Cab electrical distribution box
• Battery charging
• Electrical control units
• Instruments and warning equipment
• Electrical relays
• Electrical connectors
• Diodes
• Circuit identification

ELECTRICAL WIRING DIAGRAMS

The manual includes numbered electrical wiring diagrams covering circuit groups 1 through 21.

Included diagram groups:

• Wiring diagram group 1
• Wiring diagram group 2
• Wiring diagram group 3
• Wiring diagram group 4
• Wiring diagram group 5
• Wiring diagram group 6
• Wiring diagram group 7
• Wiring diagram group 8
• Wiring diagram group 9
• Wiring diagram group 10
• Wiring diagram group 11
• Wiring diagram group 12
• Wiring diagram group 13
• Wiring diagram group 14
• Wiring diagram group 15
• Wiring diagram group 16
• Wiring diagram group 17
• Wiring diagram group 18
• Wiring diagram group 19
• Wiring diagram group 20
• Wiring diagram group 21

ADDITIONAL ELECTRICAL REFERENCES

• Connector identification codes
• Diode identification codes
• Wiring diagram codes
• Circuit lists
• Relay functional descriptions
• Control unit functional descriptions
• Wiring diagram explanations

These diagrams support electrical troubleshooting, circuit identification, and understanding the connections between machine components.

7. APS II AUTOMATIC POWER SHIFT TRANSMISSION

The power transmission section contains technical descriptions and repair procedures for the Volvo L330C transmission.

TRANSMISSION OPERATION

• APS II Automatic Power Shift with Mode Selector
• Torque converter transmission
• Transmission hydraulic diagram
• Transmission control valve
• Gear selector signals
• ECU gear shifting inputs and outputs
• Forward and reverse shifting
• Dual-control forward/reverse shifting
• Trimmer valve block

TRANSMISSION SERVICE

• Transmission removal
• Transmission installation
• Transmission oil pressure testing
• Torque converter replacement
• First and second-speed clutch disc replacement
• Forward and reverse clutch disc replacement
• Third and fourth-speed clutch disc replacement
• Clutch drum bearing replacement
• Transmission filter monitoring

8. DRIVE AXLES, DIFFERENTIALS AND PROPELLER SHAFTS

The driveline section includes information for major axle and power transmission components.

DRIVE AXLE COMPONENTS

• Front and rear axles
• Differential assemblies
• Limited-slip differential
• Differential carrier assembly
• Hub reduction gears
• Propeller shafts
• Support bearings

AXLE AND DRIVELINE SERVICE

• Rear axle removal
• Rear axle installation
• Differential carrier removal and installation
• Hub reduction gear seal replacement
• Hub reduction gear reconditioning
• Propeller shaft removal
• Support bearing reconditioning

9. BRAKE SYSTEM SERVICE AND REPAIR

The brake section contains system descriptions, hydraulic diagrams, inspection procedures, and repair instructions.

BRAKE SYSTEM INFORMATION

• Brake system operation
• Brake hydraulic diagram
• Brake cooling circuit
• Parking brake operation
• Manual parking brake release

BRAKE SERVICE PROCEDURES

• Brake disc replacement
• Brake disc wear inspection
• Brake accumulator inspection and adjustment
• Brake accumulator seal replacement
• Brake accumulator precharge pressure testing
• Brake pump replacement
• Brake system pressure testing
• Brake circuit pressure adjustment
• Brake retardation function testing
• Parking brake adjustment

10. STEERING SYSTEM AND COMFORT DRIVE CONTROL

The steering section covers the conventional steering system and Comfort Drive Control (CDC).

STEERING SYSTEM COMPONENTS

• Steering hydraulic pumps
• Steering control valve
• ORBITROL steering valve
• Steering cylinders
• Flow amplifier
• Steering hydraulic circuit
• Lever steering system

COMFORT DRIVE CONTROL (CDC)

• CDC system operation
• Lever steering descriptions
• CDC hydraulic system
• Steering lever and ramp generator CU20
• CU20 voltage input and output testing
• Lever steering speed adjustment

STEERING SERVICE PROCEDURES

• Steering cylinder replacement
• Steering valve reconditioning
• Flow amplifier reconditioning
• Steering working pressure testing and adjustment

The manual also includes a steering system hydraulic diagram.

11. FRAME, AXLE SUSPENSION AND WHEELS

The frame section provides technical information for the machine's structural and suspension components.

FRAME COMPONENTS

• Frame joint
• Axle suspension
• Wheels and hubs
• Counterweights

SERVICE PROCEDURES

• Axle suspension axial clearance adjustment
• Axle suspension axial and radial clearance measurement
• Axle suspension bushing replacement
• Axle suspension seal replacement
• Wheel removal and installation
• Additional counterweight removal and installation

12. OPERATOR CAB AND AIR CONDITIONING

The cab section includes information about the operator environment and selected safety equipment.

CAB SYSTEMS

• Operator cab descriptions
• Cab electrical system operation
• Air conditioning system
• Roll-over protection equipment

SERVICE PROCEDURES

• Air conditioning performance testing
• Roll-over bar removal
• Roll-over bar installation

13. WORKING HYDRAULIC SYSTEM

The hydraulic section contains technical descriptions, diagrams, repair procedures, and pressure testing instructions.

HYDRAULIC SYSTEM COMPONENTS

• Main hydraulic system
• Hydraulic oil tank
• Hydraulic oil pumps
• Hydraulic control valves
• Servo hydraulic system
• Lift cylinders
• Tilt cylinders
• Lifting frame
• Tilting arms and links

HYDRAULIC SYSTEM DIAGRAMS

• Basic machine hydraulic diagram
• Complete hydraulic system diagram
• Working hydraulics functional diagram
• Hydraulic control valve functions

14. HYDRAULIC PUMPS P1–P4

The manual contains detailed procedures for inspecting and adjusting the hydraulic pump system.

HYDRAULIC PUMP SERVICE

• Hydraulic oil pump removal
• Hydraulic oil pump replacement
• Hydraulic oil pump repair
• Hydraulic pump pressure adjustment
• Hydraulic pump balancing
• Hydraulic pump maximum pressure adjustment
• Hydraulic pump P1–P2 balance checks
• Hydraulic pump P3–P4 balance checks
• Load-sensing signal checks for pumps P1–P4
• Hydraulic system leakage testing
• Hydraulic oil tank replacement

PRESSURE TESTING

• Hydraulic standby pressure testing
• Working pressure testing
• Load-sensing pressure checks
• Servo pressure testing and adjustment
• Hydraulic pump balancing procedures

15. HYDRAULIC CONTROL VALVES AND SERVO SYSTEM

The manual includes information for hydraulic pressure regulation and valve servicing.

CONTROL VALVE EQUIPMENT

• Hydraulic control valve operation
• Servo valve adjustment
• Servo pressure at the control valve spool
• Pressure-reducing valves R1 and R2
• Back-up valve
• Safety valve TB
• Hydraulic shock valves
• Anti-cavitation functions

CONTROL VALVE TESTING

• Pressure-reducing valve closing pressure checks
• Back-up valve opening pressure checks
• Safety valve opening pressure checks
• Shock valve testing and adjustment
• Servo pressure adjustment

16. LIFTING AND TILTING HYDRAULICS

The manual provides repair information for the lifting and tilting equipment.

LIFTING EQUIPMENT

• Lifting frame
• Lifting cylinders
• Lifting cylinder seal replacement in the machine
• Lifting cylinder replacement
• Front lifting cylinder bushing replacement
• Rear lifting cylinder bushing replacement

TILTING EQUIPMENT

• Tilting cylinders
• Tilting cylinder seal replacement in the machine
• Tilting cylinder replacement
• Front and rear tilting cylinder bushing replacement
• Tilting arm bearing replacement
• Tilting link replacement
• Tilting link bearing replacement

17. BOOM SUSPENSION SYSTEM (BSS)

The documentation includes information for the Boom Suspension System.

Included topics:

• Boom Suspension System description
• BSS functional checks
• Hydraulic accumulators
• Accumulator inspection and adjustment
• Accumulator seal replacement
• Hydraulic pressure checks

18. THIRD AND FOURTH HYDRAULIC FUNCTIONS

The manual covers additional hydraulic functions and attachment equipment.

Included topics:

• Third hydraulic function
• Fourth hydraulic function
• Hydraulic pressure testing
• Hydraulic pressure adjustment
• Shock pressure testing
• Shock pressure adjustment
• Separate hydraulic attachment locking

19. BOOM KICK-OUT AND BUCKET POSITIONER

The manual contains descriptions and adjustment information for the lifting and bucket positioning functions.

Included topics:

• Boom kick-out operation
• Boom kick-out adjustment
• Bucket positioner operation
• Bucket positioner adjustment
• Lift detent function
• Floating position function
• Working hydraulic function diagrams

20. EQUIPMENT INSTALLATION INSTRUCTIONS

The documentation includes installation instructions for selected optional equipment.

Included topics:

• CareTrack equipment
• Engine heater
• Hip belt
• Operator seat installation kit
• Radio installation kit
• Protective grating
• Rotating warning beacon
• Sun blind
• Windscreen washer

21. SAFETY AND WORKSHOP PROCEDURES

The manual contains a dedicated safety section.

Included topics:

• General workshop safety
• Machine service precautions
• Battery handling
• Battery charging
• Booster battery starting
• Tyre inflation safety
• Fire prevention
• Safety when handling polymer materials
• Air conditioning refrigerant precautions
• Service position procedures

22. TECHNICAL SPECIFICATIONS AND SERVICE DATA

The specifications section provides reference information for major machine systems.

ENGINE SPECIFICATIONS

• Engine technical specifications
• Cylinder block specifications
• Fuel injection system specifications
• Cooling system specifications
• Lubrication system specifications
• Intercooler specifications
• Injection timing references

ELECTRICAL SPECIFICATIONS

• Electrical system specifications
• Electrical component specifications
• Contronic-related technical references

POWER TRANSMISSION SPECIFICATIONS

• Torque converter specifications
• Transmission specifications
• Axle specifications
• Differential specifications
• Clutch component specifications

BRAKE AND STEERING SPECIFICATIONS

• Brake system specifications
• Brake accumulator specifications
• Steering system specifications
• Steering hydraulic pressure references

HYDRAULIC SPECIFICATIONS

• Hydraulic pump specifications
• Hydraulic system pressure references
• Control valve specifications
• Servo system specifications
• Hydraulic cylinder specifications

GENERAL TECHNICAL REFERENCES

• Machine specifications
• Tightening torques
• Volvo BM standard tightening torques

DIAGNOSTICS AND TROUBLESHOOTING

The Volvo L330C manual contains technical references for diagnosing and investigating problems involving:

• Engine operation
• Fuel injection timing
• Engine cooling and lubrication
• Contronic electronic monitoring
• ECU-related electrical functions
• Electrical wiring and connections
• APS II transmission operation
• Torque converter and clutch components
• Brake system pressure and function
• Steering hydraulic pressure
• Comfort Drive Control
• Hydraulic pumps P1–P4
• Working hydraulic system
• Boom Suspension System
• Lift and tilt hydraulic equipment
• Air conditioning

BENEFITS OF THIS SERVICE REPAIR MANUAL

This publication can help users:

• Access detailed Volvo L330C service documentation
• Perform engine inspection and adjustment procedures
• Service the fuel injection system
• Understand the Contronic monitoring system
• Consult electrical wiring diagrams
• Repair APS II transmission components
• Service the torque converter and drive axles
• Inspect and adjust the braking system
• Maintain steering and CDC equipment
• Check hydraulic pump balancing and pressure
• Repair hydraulic cylinders and control valves
• Service the Boom Suspension System
• Adjust boom kick-out and bucket positioning functions
• Consult technical specifications and tightening torques

WHO IS THIS MANUAL FOR?

This publication is suitable for:

• Professional Volvo construction equipment mechanics
• Heavy equipment service technicians
• Construction machinery repair workshops
• Fleet maintenance departments
• Equipment maintenance companies
• Volvo L330C wheel loader owners responsible for servicing and repairs

IMPORTANT COMPATIBILITY INFORMATION

This manual is identified for the Volvo L330C Wheel Loader.

The documentation includes information for different machine systems and optional equipment.

Before purchasing, verify the machine model, serial number, and installed equipment.

Some procedures, electrical diagrams, and hydraulic diagrams may apply only to particular configurations.

The 2020 information update refers to the supplied documentation and does not necessarily indicate the machine's manufacturing year.

DIGITAL PDF DOWNLOAD

This product is supplied as a digital PDF service repair manual.

What you receive:

• 917 pages of technical documentation
• Engine descriptions and service procedures
• Fuel injection system servicing
• Contronic monitoring system documentation
• Electrical wiring diagrams
• APS II Automatic Power Shift transmission information
• Torque converter and axle repair procedures
• Brake and steering system servicing
• Comfort Drive Control documentation
• Operator cab and air conditioning information
• Working hydraulic system repair procedures
• Hydraulic pump P1–P4 adjustment information
• Hydraulic circuit diagrams
• Boom Suspension System documentation
• Third and fourth hydraulic function information
• Equipment installation instructions
• Safety and workshop procedures
• Technical specifications and tightening torque references
• Digital delivery – no printed book will be shipped

A compatible PDF reader is required to access the document.

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Detailed contents:

COVER
DESCRIPTIONS
(1) STANDARD PARTS, SERVICE
Electric welding
Towing recovering
Towing
(2) ENGINE WITH MOUNTING AND EQUIPMENT
Camshaft
Description (2)
Description (3)
Description
Engine timing gears
Injection timing device
Oil cooler
Pistons
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Charging batteries
Contronic System
Electrical distribution box in cab
Electrical distribution box
Functions which are not included in the central warning
General description
Instruments and controls
Monitored functions
Operating with the ECU disconnected, (electrical)
Other electrical functions
Service Contronic Display Unit
Special instructions when working on the electrical system
Units connected to the control unit
(4) POWER TRANSMISSION
Limited slip type differential
(5) BRAKE
Description (0
Description
Hydraulic diagram, brake system brake cooling circuit
Manual release of parking brake
(6) STEERING
Description
Lever steering, CDC (Comfort Drive Control)
Lever steering, description hydraulic system
Lever steering
Steering lever and ramp generator CU20, checking voltage in out
(7) FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL, TRACK UNIT
Frame joint
(8) MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
Description
(9) HYDRAULIC SYSTEM; DIGGING HANDLING GRADING EQUIPM; MISC. EQUIP
Boom kick-out and bucket positioner, adjusting
Boom kick-out and bucket positioner
Description
Detent function floating position and floating position
Detent function lifting boom kick-out (SW 18)
Functional diagram, working hydraulics, basic machine
Hydraulic diagram, working hydraulic
Hydraulic diagram, working hydraulics
DIAGRAMS
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Code key for connectors (connected to the circuit board)
Code key for connectors (other)
Code key for diodes
Codes used in wiring diagrams
Control unit, description of function
Explanations to wiring diagrams
List of circuits
Relay, description of function
Wiring diagram, 1 1 — 1 10
Wiring diagram, 2 1 — 2 9
Wiring diagram, 3 1 — 3 10
Wiring diagram, 4 1 — 4 10
Wiring diagram, 5 1 — 5 10
Wiring diagram, 6 1 — 6 10
Wiring diagram, 7 1 — 7 10
Wiring diagram, 8 1 — 8 9
Wiring diagram, 9 1 — 9 10
Wiring diagram, 10 1 — 10 8
Wiring diagram, 11 1 — 11 8
Wiring diagram, 12 1 — 12 10
Wiring diagram, 13 1 — 13 10
Wiring diagram, 14 1 — 14 10
Wiring diagram, 15 1 — 15 7
Wiring diagram, 16 1 — 16 5
Wiring diagram, 17 1 — 17 7
Wiring diagram, 18 1 — 18 8
Wiring diagram, 19 1 — 19 10 (2)
Wiring diagram, 19 1 — 19 10
Wiring diagram, 20 1 — 20 7
Wiring diagram, 21 1 — 21 9
(6) STEERING
Hydraulic diagram, steering system
INSTALLATION INSTRUCTIONS
CARETRACK
ENGINE HEATER
HIP BELT (2)
HIP BELT
INSTALLATION KIT FOR OPERATOR SEAT
KIT FOR FITTING THE RADIO
PROTECTING GRATING
ROTATING BEACON
SUN BLIND
WINDSHIELD WASHER
REPAIR
(0) GENERAL
Description
Drawings of tools (E-tools) which can be made in your own workshop
Product Identification Plates
Time Guide
(2) ENGINE WITH MOUNTING AND EQUIPMENT
Electrical key-turn engine stop, checking and adjusting
Oil sump gasket, changing
(4) POWER TRANSMISSION
Support bearing, reconditioning
(5) BRAKE
Brake discs, changing
Brake system retardation, checking function
Pressure in circuit, checking and adjusting
System pressure, checking and adjusting
(7) FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL, TRACK UNIT
Adjusting axial clearance in axle suspension
Changing bushings and seals in axle suspension
Measuring axial and radial clearance in axle suspension
(9) HYDRAULIC SYSTEM; DIGGING HANDLING GRADING EQUIPM; MISC. EQUIP
Cleanliness when working on hydraulic systems
Hydraulic diagram, complete
Specifications
SAFETY
(1) STANDARD PARTS, SERVICE
A few simple rules for batteries
A few simple rules of safety
A few simple rules when inflating tyres
A few simple rules when servicing
Charging batteries
Danger in connection with polymer materials
Measures to prevent fire
Refrigerant in air-conditioning units
Safety concerns everybody!
Service position
Starting with booster batteries
SPECIFICATIONS
(0) GENERAL
Brakes
Engine
Hydraulic system
Power transmission
Specifications
Steering sysem
Tightening torques
VOLVO BM standard tightening torques
(2) ENGINE WITH MOUNTING AND EQUIPMENT
Charge-air cooler (Intercooler)
Coolant filter
Cooling system (engine)
Cooling system
Cylinder block
Description (2)
Description (3)
Description of function, cooling fan
Description
Engine, checking function
Engine, fitting
Engine, removing
Fan pump motor, adjusting hydraulic pressure
Fan pump motor, checking hydraulic pressure
Fuel system, air bleeding
Fuel tank, changing
Idling speed, checking and adjusting
Injection angle (timing), adjusting
Injection angle (timing), checking
Injection pump
Injection timing device, checking
Injectors
Lubrication system
Radiator, changing
Sealing joint (cylinder head–cylinder block–cylinder liner)
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications (6)
Specifications (7)
Specifications (8)
Specifications (9)
Specifications (10)
Specifications (11)
Specifications (12)
Specifications (13)
Specifications (14)
Specifications (15)
Specifications (16)
Specifications
Stall speed, checking
Stop solenoid
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications (6)
Specifications
(4) POWER TRANSMISSION
APS ll (Automatic Power Shift with Mode Selector)
Axles
Clutch discs 1st–2nd, changing in machine
Clutch discs, forward-reverse or 3rd– 4th, changing in machine
Clutch drum bearings, 1st or 2nd, changing in machine
Clutch drum bearings, forward, reverse, 3rd or 4th, changing in machine
Control valve, gear shifting
Description of function, torque converter transmission
Description
Differential carrier assembly, removing and fitting
Differential
Dual control, forward–reverse shifting
Gear shifting, signal to ECU from gear selector
Gear shifting, signal to in out from the ECU
Hub reduction gear, changing seals
Hub reduction gear, reconditioning
Hydraulic diagram, transmission
Monitoring brake cooling circuit filter and transmission filter
Rear axle, fitting
Rear axle, removing
Removing propeller shafts
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications (6)
Specifications (7)
Specifications (8)
Specifications
Torque converter and transmission
Torque converter, changing
Transmission, checking oil pressure
Transmission, fitting
Transmission, removing
Trimmer valve block
(5) BRAKE
Accumulator, changing seals
Accumulator, checking and adjusting
Brake accumulators, precharging pressure, checking
Brake disc wear, checking
Brake pump, changing
Parking brake, adjusting
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications
(6) STEERING
Control valve
Description
Flow amplifier, reconditioning
Flow amplifier
Function
Hydraulic oil pumps
Specifications (2)
Specifications (3)
Specifications
Steering cylinder, changing
Steering cylinder
Steering speed, lever steering, adjusting
Steering valve, ORBITROL
Steering valve, removed, reconditioning
Working pressure, checking and adjusting
(7) FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL, TRACK UNIT
Fitting removing extra counterweights
General description
Removing and fitting wheel
Specifications (2)
Specifications (3)
Specifications
Wheels and hubs
(8) MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
Air conditioning, performance test
Description
Electrical system, description of function
Fitting roll-over bar
Removing roll-over bar
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications
(9) HYDRAULIC SYSTEM; DIGGING HANDLING GRADING EQUIPM; MISC. EQUIP
3rd 4th function, checking and adjusting pressure
3rd 4th function
Accumulator, changing seals
Accumulator, checking and adjusting
Back-up valve, checking opening pressure
Boom suspension system, checking function
Boom Syspension System, BSS, for Wheel Loaders
Checking and adjusting shock pressure 3rd 4th function
Control valve functions
Hydraulic oil pump
Hydraulic oil pumps 1–4, balancing adjusting (Alt. 1)
Hydraulic oil pumps P1–P2 P3–P4, checking balance between pumps
Hydraulic oil pumps, balancing adjusting, maximum pressure
Hydraulic oil pumps, changing repairing
Hydraulic oil pumps, changing
Hydraulic oil tank, changing
Hydraulic system checking procedure Alt. 1
Leakage test
Lifting cylinder rear bushings, changing
Lifting cylinder, changing seals, in machine
Lifting cylinder, changing
Lifting cylinder, front bushing, changing
Lifting cylinder
Lifting frame
LS-signal for pumps 1–4, checking
Pressure-reducing valve R1 and R2, checking closing pressure
Safety valve TB, checking opening pressure
Separate attachment locking
Servo pressure, checking and adjusting
Servo pressure, checking at spool in control valve
Servo system
Servo valve, adjusting operating control
Shock and anti-cavitation functions
Shock valve, checking and adjusting, piston end of lifting cylinder
Shock valve, cheking and adjusting, tilting function
Specifications (2)
Specifications (3)
Specifications (4)
Specifications (5)
Specifications (6)
Specifications (7)
Specifications (8)
Specifications
Stand-by pressure, checking and adjusting (Alt. 2)
Tilting arm, changing bearing
Tilting cylinder, changing seals in machine
Tilting cylinder, changing
Tilting cylinder, front and rear bushings, changing
Tilting cylinder
Tilting link, changing
Tilting link, removed, changing bearing