VOLVO L50D WHEEL LOADER SERVICE REPAIR MANUAL PDF – 901 PAGES

Volvo L50D Technical Workshop Documentation – Hydrostatic Transmission, Injection Pump Service, CDC Steering, BSS400 and Hydraulic Repair Procedures

Service Information for Mechanical, Electrical and Hydraulic Repairs

The Volvo L50D Wheel Loader Service Repair Manual provides 901 pages of technical workshop documentation for maintaining, troubleshooting, and repairing the Volvo L50D wheel loader.

The publication covers the machine from its engine and hydrostatic drive to its electronic control system, braking equipment, articulated steering, operator cab, and working hydraulics.

One of its principal areas is the hydrostatic transmission, including the neutral position, charge pressure monitoring, hydrostatic pump removal and installation, and the precautions required when repairing the hydrostatic system.

Engine-related documentation includes fuel feed pressure checking, injection pump removal and installation, valve clearance adjustments, engine removal, and hydraulic cooling fan servicing. The technical descriptions also identify injection timing adjustment at low engine temperature, a specific subject within the engine documentation.

For electrical work, the manual explains the Vehicle Electronic Control Unit (V-ECU), Instrument Electronic Control Unit (I-ECU), software functions, communication data buses, warning systems, and operator service displays.

The steering chapters cover hydraulic steering components and Comfort Drive Control (CDC), including steering lever voltage checks, control valve adjustments, steering pressure tests, and steering cylinder repairs.

The hydraulic section addresses the Boom Suspension System (BSS400), hydraulic accumulators, lifting and tilting cylinders, attachment locking, servo valves, and linkage bearing replacement.

Electrical wiring diagrams, hydraulic schematics, optional equipment installation instructions, and technical specifications are also included.

MANUAL INFORMATION

• Manufacturer: Volvo Construction Equipment
• Model: Volvo L50D Wheel Loader
• Manual Type: Service Repair / Workshop Manual
• Number of Pages: 901
• Format: PDF
• Language: English
• Technical Information Updated: 2022
• Delivery: Digital Download

ENGINE MAINTENANCE AND REPAIR

Diesel Engine Technical Descriptions

The engine documentation covers the principal components and supporting systems used in the Volvo L50D.

Subjects include:

• Engine construction and operation
• Crankshaft
• Fuel supply system
• Engine cooling system
• Air cleaner
• Hydraulic cooling fan
• Cooling fan speed control
• Engine preheating
• Cold-start control

Engine Removal and Installation

The repair section contains instructions for:

• Engine removal
• Engine installation
• Engine idle speed checking
• Engine idle speed adjustment
• Engine valve checking
• Engine valve adjustment

The maintenance documentation also includes engine oil and filter replacement, coolant changes, and recommended lubricants.

FUEL INJECTION AND COLD-ENGINE OPERATION

Injection Pump Service

The manual provides workshop instructions for:

• Injection pump removal
• Injection pump installation
• Fuel feed pressure checking
• Fuel system bleeding
• Fuel tank and combined tank unit replacement

Injection Timing at Low Engine Temperature

The engine descriptions include injection timing adjustment at low engine temperature.

This technical subject is relevant when examining the engine's fuel injection control and cold operating characteristics.

Fuel System Specifications

The reference section includes:

• Injection pump specifications
• Injector specifications
• Fuel feed pump specifications
• Fuel tank capacity
• Fuel tank tightening torques

ENGINE COOLING AND HYDRAULIC FAN

The cooling system uses hydraulically controlled fan equipment, with Pump P3 associated with the cooling fan and brake functions.

Cooling Fan Components

• Hydraulic cooling fan
• Cooling fan speed control
• Cooling fan motor
• Cooling fan speed sensor
• Pump P3

Cooling Fan Repairs and Checks

The manual includes:

• Cooling fan motor removal
• Cooling fan motor installation
• Cooling fan speed sensor replacement
• Cooling fan sensor clearance adjustment
• Pump P3 standby pressure checking
• Pump P3 standby pressure adjustment
• Cooling fan maximum pressure checking

The specifications section also provides cooling fan, cooling system, and related component data.

HYDROSTATIC DRIVE SYSTEM

Hydrostatic Transmission Operation

The Volvo L50D manual contains descriptions of the hydrostatic transmission and its operating conditions.

Documented subjects include:

• Hydrostatic system neutral position
• Hydrostatic charge pressure monitoring
• Hydrostatic pump
• Hydrostatic system repair precautions
• Power transmission
• Drive axles
• Planetary gear

Hydrostatic Pump Removal and Installation

The repair documentation includes:

• Hydrostatic pump removal
• Hydrostatic pump installation
• Mandatory measures when repairing the hydrostatic system

These procedures provide a technical reference for dismantling and installing hydrostatic drive components while observing the required service precautions.

Hydrostatic System Specifications

The manual also includes:

• Hydrostatic system weight
• Hydrostatic system tightening torques
• Power transmission specifications

DRIVE AXLES AND POWER TRANSMISSION

The drivetrain documentation describes the axle and power transmission components.

Included information:

• Front and rear drive axles
• Planetary gear
• Propeller shaft
• Differential lock
• Axle capacities
• Axle tightening torques
• Axle weights

Axle Service Procedures

The repair and specification sections identify:

• Front axle removal
• Front axle installation
• Rear axle installation

Additional reference information is provided for the gearbox, including capacity, weight, and tightening torques.

VEHICLE ELECTRONIC CONTROL UNIT (V-ECU)

The electrical system section describes the V-ECU and its role in machine operation.

V-ECU subjects:

• Vehicle control unit functional description
• Electronic control system
• Software functions
• Engine speed signal
• Transmission-related signals
• Communication with data buses
• Interruption in computer communication
• Reduced computer communication

Limp-Home Function

The manual includes a description of Limp-Home operation with bypassed V-ECU.

This section provides a reference for understanding the machine's alternative operating arrangement under specified electronic control conditions.

INSTRUMENT ELECTRONIC CONTROL UNIT (I-ECU)

The manual explains the I-ECU and the machine's operator information system.

Included subjects:

• Instrument control unit functional description
• Display panel and keypad
• Initial display
• Operating display
• Information displays
• Display settings
• Warning lights
• Instrument panel functions

ELECTRICAL MONITORING AND WARNING SYSTEMS

The publication documents machine signals and monitored operating conditions.

Monitoring Area	Documented Signals and Functions
Engine	Oil pressure, engine speed, coolant temperature
Fuel	Fuel level
Cooling	Radiator outlet temperature, fan control
Hydrostatic drive	Charge pressure
Transmission	Oil pressure, oil temperature, filter, overspeed
Brakes	Brake pressure, charging pressure, brake test
Hydraulics	Hydraulic oil level, hydraulic oil temperature
Steering	Secondary steering
Equipment	Boom Suspension System, differential lock
Electrical	System voltage, starter lockout, communication

Electrical System Components

The documentation also covers:

• Alternator
• Battery and battery charging
• Starting system
• Preheating system
• Electrical distribution box
• Cable designations
• Ground connections
• Positive feed
• Electrical symbols
• Lighting
• Back-up alarm
• Wiper controls

OPERATOR SERVICE DISPLAY

The manual includes descriptions of service display functions used for machine inspection and fault investigation.

Service display categories:

• Engine
• Transmission
• Brakes
• Hydraulics
• Electrical control input signals
• Electrical control output signals
• Sensor electrical supply
• Battery voltage
• Machine settings

ELECTRICAL WIRING DIAGRAMS

The Volvo L50D documentation contains numbered electrical wiring diagrams and circuit lists.

Diagram references include:

• Wiring diagrams 1–12
• Wiring diagrams 14–21
• Wiring diagram 15B
• Wiring diagrams 21B and 21C
• Wiring diagrams 23–26
• Wiring diagrams 32 and 32B
• Wiring diagram 140
• Wiring diagram 150
• Wiring diagram 170
• Wiring diagram 175

Additional wiring references appear in the brake and steering sections.

The electrical drawings can be consulted when tracing circuits, identifying connections, and investigating electrical faults.

BRAKE SYSTEM SERVICE

Hydraulic Brake Operation

The manual describes the service braking system and its hydraulic components.

Brake subjects include:

• Brake system operation
• Foot brake valve
• Brake accumulators
• Brake pressure charging
• Wheel brakes
• Brake hydraulic circuits
• Brake and cooling fan hydraulic diagram

Brake Inspection and Repairs

The repair section contains:

• Brake accumulator checking
• Front brake disc wear checking
• Rear brake disc wear checking
• Front wheel brake disc replacement
• Rear wheel brake disc replacement
• Brake system bleeding
• Brake circuit pressure checking
• Brake circuit pressure adjustment
• Brake pedal angle adjustment
• Brake function checking
• Brake retardation checking
• Foot brake valve reconditioning

PARKING BRAKE

The parking brake documentation includes:

• Parking brake description
• Parking brake electrical system
• Mechanical parking brake monitoring
• Parking brake adjustment

HYDRAULIC STEERING SYSTEM

The steering section describes the hydraulic steering equipment and its controls.

Included components:

• Hydraulic steering pump
• Steering valve
• Steering cylinders
• Hydraulic steering circuit
• Secondary steering

Steering Repair Procedures

The manual includes:

• Steering cylinder replacement
• Steering cylinder reconditioning
• Steering valve reconditioning
• Steering pressure checking
• Steering standby pressure checking
• Steering pressure adjustment
• Standby pressure adjustment

COMFORT DRIVE CONTROL (CDC)

The CDC section provides descriptions and adjustment instructions for lever steering.

CDC Technical Information

• General CDC description
• CDC electrical system
• CDC hydraulic system
• Steering lever SE603
• Steering control valve

CDC Adjustment and Testing

• Steering speed adjustment
• Steering control valve checking
• Steering control valve adjustment
• Steering lever SE603 input/output voltage checking

The manual also includes hydraulic diagrams for steering arrangements with CDC and secondary steering.

FRAME AND ARTICULATION REPAIRS

The frame section includes descriptions and workshop instructions for structural components.

Procedures include:

• Frame joint bearing replacement
• Axle suspension axial clearance checking
• Axle suspension radial clearance checking

Frame weight and tightening torque information is also included.

CAB AND CLIMATE CONTROL

The operator cab section covers climate equipment and selected repair operations.

Cab Descriptions

• Cab suspension
• Climate control system
• Cab electrical system
• Air conditioning operation

Cab Repair Procedures

• Cab removal
• Cab installation
• Air conditioning performance testing
• Evaporator cleaning

The specifications section includes cab weight, cab tightening torques, and air conditioning data.

WORKING HYDRAULIC SYSTEM

The hydraulic documentation covers the components used for loader operation and attachment control.

System descriptions:

• Working hydraulics
• Central valve
• Control valve
• Servo valve
• Hydraulic attachment bracket
• Boom Suspension System
• GP attachment hydraulics
• Third hydraulic function flow control

Hydraulic System Repairs

The manual includes:

• Hydraulic pump replacement
• Hydraulic system bleeding
• Hydraulic oil tank vacuum creation
• Working pressure checking
• Working pressure adjustment
• Standby pressure checking
• Standby pressure adjustment

HYDRAULIC SERVO CONTROL

The servo system section provides adjustment and pressure-testing instructions.

Included procedures:

• Servo pressure checking
• Servo pressure adjustment
• Servo valve operating control adjustment

LIFTING AND TILTING CYLINDERS

The manual includes repair procedures for the loader's main hydraulic cylinders.

Included operations:

• Lifting cylinder replacement
• Tilting cylinder replacement
• Attachment locking cylinder replacement

Hydraulic Shock Valves

• Lifting function shock valve checking
• Lifting function shock valve adjustment
• Tilting function shock valve checking
• Tilting function shock valve adjustment

The technical reference section includes sectional views of the lifting and tilting cylinders.

LOADER LINKAGE AND BEARING REPAIRS

The manual contains procedures for replacing bearings in the working equipment linkage.

Included operations:

• Lifting frame bearing A replacement
• Lifting frame bearing B replacement
• Tilting arm GDF bearing replacement
• Lower T-link GH bearing replacement
• Upper T-link HIJ bearing replacement

These chapters are useful for repairs involving worn linkage bearings and articulated working equipment components.

BOOM SUSPENSION SYSTEM (BSS400)

The manual includes hydraulic and electrical descriptions of the Boom Suspension System.

BSS Operation

• Boom Suspension System description
• BSS hydraulic system
• BSS electrical system
• Hydraulic accumulators

BSS Service Procedures

• Boom Suspension System troubleshooting
• BSS checking while operating with a load
• Hydraulic accumulator pressure release
• Accumulator reconditioning
• Accumulator precharge pressure checking
• Accumulator precharge pressure adjustment

The specifications section includes BSS400 data and tightening torques.

AUXILIARY HYDRAULIC FUNCTIONS

The manual contains documentation for optional hydraulic equipment.

Included subjects:

• Third hydraulic function
• Third and fourth hydraulic functions
• Third hydraulic function retaining function
• Hydraulic attachment lock
• Single-lever hydraulic control

Hydraulic Circuit Diagrams

The hydraulic drawing collection includes:

• Fifth, sixth and seventh hydraulic functions
• Third and fourth hydraulic functions with attachment locking
• GP hydraulics
• Hydraulic control valve
• Lifting, tilting and floating position
• Boom Suspension System with differential lock
• Steering with CDC and secondary steering

The diagrams represent documented hydraulic configurations and do not imply that all functions are installed on every machine.

OPTIONAL EQUIPMENT INSTALLATION INSTRUCTIONS

The manual contains installation instructions for selected accessories.

Hydraulic and Control Equipment

• Third hydraulic function
• Third and fourth hydraulic functions
• Attachment locking
• Boom Suspension System
• Comfort Drive Control
• Single-lever control

Cab and Operator Equipment

• Air conditioning
• Electrically heated rear-view mirrors
• Air-sprung operator seat installation kit
• Instructor seat
• Radio installation kit
• Sun blind

Lighting and Protection

• Extra work lights
• Front work light
• Rear work light
• Rotating warning beacon
• Headlamp protective grille
• Protective grating
• Tail lamp guard
• Fenders
• Toolbox

Electronic Equipment

• CareTrack installation

WORKSHOP SAFETY AND MAINTENANCE

The safety section includes information about:

• General service precautions
• Hydraulic system safety
• Hydraulic accumulator handling
• Battery handling
• Air conditioning refrigerant
• Safe machine lifting and supporting
• Working under a raised boom
• Tyre handling
• Fire prevention
• Inspection following fire or heat exposure
• Oil and fuel handling
• Environmental protection
• Electric welding
• Towing procedures
• Transporting the machine

TECHNICAL SPECIFICATIONS AND REFERENCE DATA

The publication includes capacities, specifications, component weights, and tightening torques.

Technical Area	Included Reference Information
Engine	Specifications, capacity, weight, tightening torques
Fuel system	Injection pump, fuel tank, fuel feed pump, injectors
Cooling	Cooling system capacity, fan specifications
Electrical	Alternator, battery, starter motor, lighting
Hydrostatic drive	System weight and tightening torques
Gearbox	Capacity, weight, tightening torques
Drive axles	Capacity, weight, tightening torques
Brakes	Wheel brake specifications
Steering	Specifications, weight, tightening torques
Frame	Frame weight and tightening torques
Cab	Air conditioning data, weight, tightening torques
Working hydraulics	Capacity, weight, system specifications
Boom suspension	BSS400 specifications and tightening torques
Lifting equipment	Lifting frame specifications and weight

PRACTICAL REPAIR APPLICATIONS

This manual can be consulted when performing tasks such as:

• Injection pump removal and installation
• Fuel feed pressure testing
• Engine valve adjustment
• Cooling fan pressure checks
• Hydrostatic pump replacement
• Hydrostatic drive inspection
• V-ECU communication troubleshooting
• Electrical wiring diagnosis
• Brake disc replacement
• Brake pressure adjustment
• Steering cylinder reconditioning
• CDC lever steering adjustment
• Frame joint bearing replacement
• Hydraulic pressure adjustment
• Boom Suspension System troubleshooting
• Hydraulic cylinder replacement
• Loader linkage bearing replacement

VERIFY YOUR EQUIPMENT BEFORE ORDERING

This manual is identified for the Volvo L50D Wheel Loader.

Before purchasing, check the machine model, serial number, engine arrangement, hydrostatic drive configuration, and installed optional equipment.

Some wiring diagrams, hydraulic circuits, and installation instructions may apply only to particular configurations.

Technical Information Updated: 2022 refers to the documentation update year and does not necessarily represent the machine's year of manufacture.

DIGITAL PDF DOCUMENTATION

This product contains 901 pages of Volvo L50D service and repair information in PDF format.

The documentation includes technical descriptions, workshop repair procedures, electrical wiring diagrams, hydraulic schematics, equipment installation instructions, safety information, and specifications.

Digital product only. No printed book or physical item will be shipped.

A compatible PDF reader is required to open the file.

IMPORTANT DOWNLOAD INFORMATION

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Detailed contents:

Descriptions
(0) GENERAL
Air-conditioning, weight
Conversion tables
Cooling fan, specification
Cooling system, specification
Description
Drive axles, specification
Engine, tightening torques
Fuel feed pump specifications
Fuel tank, tightening torques
Injector specifications
Product identification plates
Propeller shaft, tightening torques
Thermostat, specification
Transporting the machine
Turbocharger, specification
(1) STANDARD PARTS, SERVICE
Axles, oil change
Cleanliness in hydraulic system
Electric welding
Engine, changing oil and replacing filter
Hydraulic system, oil change
Recommended lubricants
Repairing hydraulic system
Service interval
Starting with booster batteries
Towing procedures
Working on the electrical system of the machine
(2) ENGINE WITH MOUNTING AND EQUIPMENT
Air cleaner, description
Cooling fan speed control, description
Cooling fan, specification
Cooling system, description
Cooling system, specification
Crankshaft, description
Engine, description
Engine, tightening torques
Fuel feed pump specifications
Fuel feed pump, checking feed pressure.
Fuel system, bleeding
Fuel tank and combined tank unit, replacing
Fuel tank, tightening torques
Hydraulic cooling fan, description
Injection timing adjustment at low engine temperature, description
Injector specifications
Pump 3 (P3) Cooling fan pump Brake pump
Sensor fault
Thermostat, specification
Turbocharger, specification
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Air filter pressure
Alternator, description
Back-up alarm
Battery, charging
Battery, description
Boom Suspension System (BSS)
Brake pressure charging
Brake pressure
Brake test
Cable and component designations
Cable and component marking explanations
Central lubrication
Charge pressure hydrostatic system
Communication cable explanation
Communication with data buses
Control units, software functions
Coolant temperature, engine
Coolant temperature, outlet radiator
Cooling fan control
Description of table for software functions
Differential lock
Display panel and keypad, general
Display panel, general
Display panel, information displays
Display panel, initial display
Display panel, operating display
Display panel, setting
Downshifting signal
Electrical components
Electrical distribution box, description
Electrical symbols and designations
Electrical system, description
Electrical system, work instructions
Electronic control system, description
Engine oil pressure
Engine speed for V-ECU
Fuel level
Gear selector
Gear-shifting solenoids
Ground connections
Hydraulic oil level
Hydraulic oil temperature
Instrument control unit I-ECU, functional description
Instruments
Interruption in computer communication
Interval wiper
Lighting, description
Limp-Home, by-passed V-ECU
Middle instrument panel with warning lights
Output brake pressure
Overspeed transmission
Parking brake, mechanical
Parking brake
Positive feed
Preheating of inlet air
Preheating, description
Reduced computer communication
Secondary steering
Service display unit, brakes
Service display unit, electrical control input signals 1
Service display unit, electrical control input signals 2
Service display unit, electrical control input signals 3
Service display unit, electrical control output signals 1
Service display unit, electrical control output signals 2
Service display unit, electrical feed sensor
Service display unit, electrical system battery voltage
Service display unit, engine
Service display unit, general
Service display unit, hydraulics
Service display unit, settings
Service display unit, transmission
Service interval
Signal ground
Starter lock-out
Starter motor engagement
Starting system, description
System voltage
Transmission disengagement
Transmission oil filter
Transmission oil pressure
Transmission oil temperature
Travel speed
Tyre radius
Vehicle control unit V-ECU, functional description
Wiping during and after washing
(4) POWER TRANSMISSION
Drive axles, description
Drive axles, specification
Hydrostatic system, neutral position
Planetary gear
Propeller shaft, tightening torques
(5) BRAKE
Brake and engine cooling fan, hydraulic diagram
Brake, description of function
Brake, description
Description
Foot brake valve, description of function
Parking brake, electrical system, description
(6) STEERING
Lever steering (CDC), electrical system, description
Lever steering (CDC), general description
Lever steering (CDC), hydraulic system, description
Steering, description
(7) FRAME;SPRINGS;DAMPING;AXLE SUSPENSION; WHEEL TRACK UNIT
Description
Frame joint bearing
(8) MACHINERY HOUSE;CAB;EXTERIOR TRIM PARTS ANYWHERE
AC operational reliability, functional description
Air-conditioning, weight
Cab suspension, description
Climate control system, description 2
Climate control system, description
Electrical system, functional description
(9) HYDRAULIC SYSTEM, DIGGING, HANDLING, GRADING EQUIPM, MISC. EQUIP
Working hydraulics, components
Boom, description
Hydraulic attachment bracket, description
Boom Suspension System, hydraulic system, description
Boom Suspension System, electrical system, description
Boom Suspension System, description
Attachment hydraulics GP, description
3rd hydraulic function, flow control
Servo valve, description
Control valve, description
Central valve, description
Working hydraulics, description
Cleanliness in hydraulic system
Diagrams
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Circuit list
Wiring diagram 1
Wiring diagram 2
Wiring diagram 3
Wiring diagram 4
Wiring diagram 5
Wiring diagram 6
Wiring diagram 7
Wiring diagram 8
Wiring diagram 9
Wiring diagram 10
Wiring diagram 11
Wiring diagram 12
Wiring diagram 14
Wiring diagram 15
Wiring diagram 15B
Wiring diagram 16
Wiring diagram 17
Wiring diagram 18
Wiring diagram 19
Wiring diagram 20
Wiring diagram 21
Wiring diagram 21B
Wiring diagram 21C
Wiring diagram 23
Wiring diagram 24
Wiring diagram 25
Wiring diagram 26
Wiring diagram 32
Wiring diagram 32B
Wiring diagram 140
Wiring diagram 150
Wiring diagram 170
Wiring diagram 175
(5) BRAKE
Wiring diagram 5
Wiring diagram 15B
(6) STEERING
Hydraulic diagram, steering system, incl. CDC and secondary steering (2)
Hydraulic diagram, steering system, incl. CDC and secondary steering
Secondary steering, description
Wiring diagram 16
Wiring diagram 17
(8) MACHINERY HOUSE;CAB;EXTERIOR TRIM PARTS ANYWHERE
(9) HYDRAULIC SYSTEM;DIGGING HANDLING GRADING EQUIPM.; MISC. EQUIP
Hydraulic diagram, 5th, 6th and 7th hydraulic functions
Hydraulic diagram, Boom Suspension System, single-acting lifting function, differential lock
Hydraulic diagram, control valve
Hydraulic diagram, GP hydraulics
Hydraulic diagram, lifting, tilting and floating position
Hydraulic diagram, working hydraulics, 3rd and 4th functions, attachment lock
Installation Instructions
3rd and 4th hydraulic function
3rd hydraulic function (single lever control)
3rd hydraulic function retaining function
3rd hydraulic function
Air conditioning 2
Air conditioning
Attachment lock
Boom suspension system
caretrack
Comfort drive control (CDC)
Electrically heated rear-view mirrors
Extra workelihgts
Fenders
Hip
Installlation kit for Air sprung operator’s
Protecting grating
Protective grille, headlamp
Radio installation kit
Radio kit, right left
Rebulid
Rotating warning beacon
Seat for the instructor
Single lever control
Sun blind
Tail lamp guard
Tool box
Working light, front
Working light, rear
Repair
(0) GENERAL
E1021B
E1664 Lifting tool
E1666 Spanner
Time Guide
(1) STANDARD PARTS, SERVICE
Coolant, changing
Engine, installing
Engine, removing
Fan motor, installing
Fan motor, removing
Hydraulic cooling fan, speed sensor, replacing and adjusting clearance
Idle speed, checking and adjusting+
Injection pump, installing
Injection pump, removing
Pressure drop indicator, checking
Pump 3 (P3) Cooling fan pump Brake pump Stand-by pressure, checking and adjusting
Pump 3 (P3) Cooling fan pump Brake pump, cooling fan maximum pressure, checking
Pump 3 (P3) Cooling fan pump Brake pump
Valves, checking and adjusting
(4) POWER TRANSMISSION
Hydrostatic pump, installing
Hydrostatic pump, removing and installing
Obligatory measures to be taken when repairing the hydrostatic system
Rear axle, installing
(5) BRAKE
Accumulator, checking (removed)
Brake disc, rear wheel brakes, replacing
Brake discs, front wheel brakes, changing
Brake discs, front wheel brakes, checking wear
Brake discs, rear wheel brakes, checking wear
Brake pedal, adjusting angle
Brake system, bleeding
Checking and adjusting pressure in circuit
Checking function
Discarded accumulators
Foot brake valve removed, reconditioning
Parking brake, adjusting
Retardation, checking function
(6) STEERING
Hydraulic pump, description
Lever steering, adjusting steering speed
Lever steering, checking and adjusting control valve
Steering cylinder, reconditioning
Steering cylinder, replacing
Steering lever SE603, checking inputoutput voltage
Steering pressure and stand-by pressure, checking and adjusting
Steering valve, description
Steering valve, reconditioning
(7) FRAME;SPRINGS;DAMPING;AXLE SUSPENSION; WHEEL TRACK UNIT
Axle suspension, checking axial and radial clearance
Frame joint, replacing bearings
(8) MACHINERY HOUSE;CAB;EXTERIOR TRIM PARTS ANYWHERE
Air conditioning, performance test
Cab, installing
Cab, removing
Evaporator, cleaning
(9) HYDRAULIC SYSTEM;DIGGING HANDLING GRADING EQUIPM.; MISC. EQUIP
Boom Suspension System, checking when operating with a load
Boom Suspension System, hydraulic pressure in accumulator(s), releasing
Boom suspension system, reconditioning accumulator
Boom Suspension System, troubleshooting
Cylinder for attachment locking, replacing
Hydraulic oil tank, creating vacuum
Hydraulic pump, replacing
Hydraulic system, bleeding
ilting arm, replacing bearings “GDF”
Lifting cylinder, replacing
Lifting frame, replacing bearings “A”
Lifting frame, replacing bearings B
Precharge pressure in accumulators, checking and adjusting
Pressure-reducing valve for
Servo pressure, checking and adjusting
Servo valve, operating control, adjusting
Shock valve, lifting function, checking and adjusting
Shock valve, tilting function, checking and adjusting
Stand-by pressure, checking and adjusting
T link, lower removed, replacing GH bearings
Tilting cylinder, replacing
T-link, upper, removed, replacing bearings HIJ
Working pressure, checking and adjusting
Safety
(1) STANDARD PARTS, SERVICE
CE marking and declaration of conformity
Checklist after a fire or heat exposure
Environment
Fire prevention measures
Health risks associated with paints, plastics and rubber
Safety concerns everybody!
Safety for work on hydraulic systems
Safety rules when servicing
Safety when handling oils and fuel
Safety when handling the machine
Safety when lifting and supporting the machine
Safety when working on boom
Safety when working with air conditioning refrigerant
Safety when working with batteries
Some simple rules regarding tyre handling
Starting with booster batteries
Working under raised boom
Specifications
(0) GENERAL
Working hydraulics, weight
Working hydraulics, tightening torques
Working hydraulics, capacity
Working hydraulics system, specification
Wheels
Wheel brakes, specification
Volvo standard tightening torques
Steering, weight
Steering, tightening torques
Steering, specification
Starter motor, specifications
Power transmission, specification
Lubrication system, specification
Lights, specifications
Lifting frame, weight
Lifting frame, specification
Injection pump specifications
Hydrostatic system, weight
Hydrostatic system, tightening torques
Gearbox, weight
Gearbox, tightening torques
Gearbox, capacity
Fuel tank, weight
Fuel tank, specification
Fuel tank, capacity
Frame, weight
Frame, tightening torque
Engine, weight
Engine, specification
Engine, capacity
Electrical system, specifications
Drive axles, weight
Drive axles, tightening torques
Drive axles, capacity
Cooling system, weight
Cooling system, capacity
Cold-start control, specification
Cab, weight
Cab, tightening torques
Boom Suspension System, tightening torques
Boom Suspension System (BSS400), specification
Battery, specifications
Alternator, specification
Air conditioning specifications
Air cleaner, specification
(1) STANDARD PARTS, SERVICE
(2) ENGINE WITH MOUNTING AND EQUIPMENT
Air cleaner, specification
Cold-start control, specification
Cooling system, capacity
Cooling system, weight
Engine, capacity
Engine, specification
Engine, weight
Fuel tank, capacity
Fuel tank, specification
Fuel tank, weight
Injection pump specifications
Lubrication system, specification
(3) ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
Alternator, specification
Battery, specifications
Electrical system, specifications
Lights, specifications
Starter motor, specifications
(4) POWER TRANSMISSION
Front axle, removing
Front axle, installing
Drive axles, weight
Drive axles, tightening torques
Drive axles, capacity
Hydrostatic system, weight
Gearbox, weight
Gearbox, tightening torques
Gearbox, capacity
Power transmission, specification
Hydrostatic system, tightening torques
(5) BRAKE
(6) STEERING
Steering, specification
Steering, tightening torques
Steering, weight
(7) FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL, TRACK UNIT
Frame, tightening torque
Frame, weight
Wheels
(8) MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
Air conditioning specifications
Cab, weight
Cab, tightening torques
(9) HYDRAULIC SYSTEM, DIGGING, HANDLING, GRADING EQUIPM, MISC. EQUIP
Tilting cylinder, sectional view
Lifting frame, weight
Lifting frame, specification
Lifting cylinder, sectional view
Boom Suspension System, tightening torques
Boom Suspension System (BSS400), specification
Working hydraulics, weight
Working hydraulics, tightening torques
Working hydraulics, capacity
Working hydraulics system, specification