VOLVO L250H WHEEL LOADER SERVICE REPAIR MANUAL PDF – 1245 PAGES

The Volvo L250H Wheel Loader Service Repair Manual provides detailed technical documentation for the inspection, diagnosis, servicing, maintenance, and repair of the Volvo L250H wheel loader.

This comprehensive 1,245-page English-language PDF manual contains repair procedures covering major machine systems, including the engine, exhaust aftertreatment equipment, electronic control systems, power transmission, brakes, steering, operator cab, and hydraulic working equipment.

The documentation includes procedures for component inspection, pressure testing, adjustment, removal, installation, replacement, and system calibration.

With technical information published in 2020, this manual is a valuable reference for heavy equipment mechanics, professional service technicians, construction equipment repair workshops, and Volvo L250H owners.

MANUAL DETAILS

• Manufacturer: Volvo Construction Equipment
• Equipment Model: L250H Wheel Loader
• Manual Type: Service Repair Manual
• File Format: PDF
• Number of Pages: 1,245
• Language: English
• Publication Year: 2020
• Delivery: Digital Download

WHAT IS INCLUDED IN THIS SERVICE REPAIR MANUAL?

The manual contains technical repair procedures organized by the main systems of the Volvo L250H wheel loader.

1. ENGINE SERVICE AND REPAIR

Detailed procedures covering:

• Engine inspection, removal, and installation
• Cylinder compression testing
• Camshaft timing checks
• Crankshaft oil seal replacement
• Engine valve adjustment
• Rocker arm replacement
• Engine Control Module (ECM) replacement
• Engine speed sensor replacement
• Fuel system pressure testing and bleeding
• Fuel feed pump servicing
• Fuel injector and injector sleeve replacement
• Turbocharger inspection and replacement
• Variable turbocharger actuator replacement
• Engine lubrication pressure testing
• Cooling system pressure checks
• Radiator and oil cooler replacement

2. EXHAUST AFTERTREATMENT AND EMISSION CONTROL SYSTEMS

The manual includes repair and inspection procedures for important engine emission-control components.

DIESEL PARTICULATE FILTER (DPF)

• DPF inspection and cleaning
• Exhaust aftertreatment fuel dosing components
• Aftertreatment fuel nozzle inspection and replacement

EXHAUST GAS RECIRCULATION (EGR)

• EGR valve replacement
• EGR cooler pressure testing
• EGR cooler replacement
• EGR venturi tube cleaning and replacement

SELECTIVE CATALYTIC REDUCTION (SCR) AND ADBLUE/DEF

• SCR dosing system checks
• AdBlue/DEF tank replacement and cleaning
• DEF pump unit servicing and replacement
• DEF hoses and dosing nozzle replacement
• DEF quality checks
• DEF suction filter replacement
• Aftertreatment Control Module (ACM) replacement
• NOx sensor replacement

These procedures support technicians working with the machine's engine aftertreatment systems.

3. ELECTRICAL AND ELECTRONIC SYSTEMS

Repair procedures include:

• Battery condition checks and replacement
• Starter motor replacement
• Electronic control unit replacement
• General Purpose Machine ECU (GPMECU) replacement
• Human Machine Interface Control Unit (HMICU) replacement
• Wireless ECU (W-ECU) replacement
• Starter lock replacement
• Volvo Tech Tool service operations

VOLVO CO-PILOT

The documentation also includes selected Volvo Co-Pilot service operations, including:

• Volvo Co-Pilot unit replacement
• SIM card installation
• Software updating
• Online software update procedures

4. POWER TRANSMISSION AND AXLE REPAIR

Technical procedures covering:

• Transmission removal and installation
• Transmission functional checks
• Transmission oil pressure testing
• Hydraulic transmission warm-up procedures
• Differential lock inspection and adjustment
• Axle removal and installation
• Hub reduction gear removal and installation
• Hub seal replacement
• Gear selector valve servicing
• Lock-up valve replacement
• Transmission heat exchanger replacement
• Axle suspension bush and seal replacement

5. BRAKE SYSTEM SERVICE AND REPAIR

The manual provides procedures for:

• Brake accumulator inspection and replacement
• Brake accumulator charging pressure checks
• Brake disc wear measurement
• Brake disc replacement
• Brake piston seal replacement
• Brake hydraulic pressure testing
• Brake system bleeding
• Automatic brake function checks
• Brake retardation function testing
• Parking brake inspection
• Parking brake disc and seal replacement

6. STEERING SYSTEM SERVICE AND REPAIR

Technical instructions include:

• Steering system function checks
• Steering working pressure testing and adjustment
• Left and right steering cylinder removal and installation
• Steering accumulator servicing
• Secondary steering pump pressure testing
• Comfort Drive Control (CDC) joystick replacement
• CDC angle sensor replacement
• CDC solenoid valve replacement
• CDC servo pressure checks
• Lever steering function testing

7. FRAME, WHEELS, AND CHASSIS COMPONENTS

Repair procedures cover:

• Counterweight removal and installation
• Frame joint bearing replacement
• Front wheel removal and installation
• Rear wheel removal and installation
• Related structural component servicing

8. OPERATOR CAB AND AIR CONDITIONING SYSTEM

The manual contains procedures for servicing cab equipment and climate control components.

Topics include:

• Cab positioning and service access
• Cab tilt cylinder replacement
• Air conditioning performance checks
• Air conditioning troubleshooting
• Compressor and condenser replacement
• Evaporator and expansion valve replacement
• Refrigerant draining and filling
• Heating system component replacement
• Climate control module replacement
• Cab door electrical components
• Window and windscreen replacement
• Cab suspension servicing
• Engine hood servicing

9. HYDRAULIC SYSTEM AND WORKING EQUIPMENT

Detailed procedures include:

• Hydraulic pump P1, P2, and P3 removal and installation
• Hydraulic pump pressure testing and adjustment
• Load-sensing pressure checks
• Hydraulic system bleeding
• Hydraulic system warm-up procedures
• Servo pressure checks and adjustment
• Hydraulic accumulator servicing
• Hydraulic couplings and connections
• Third and fourth hydraulic function pressure checks
• Hydraulic shock valve inspection
• Lift and tilt function testing
• Lift and tilt cylinder servicing
• Solenoid valve replacement
• Automatic lubrication system servicing

BOOM SUSPENSION SYSTEM

• Boom suspension system checks
• Accumulator pressure checks and adjustments
• Accumulator removal and installation
• Hydraulic pressure release procedures
• Safety valve checks

10. LOAD ASSIST AND MACHINE CALIBRATION

The manual also contains selected procedures for the Volvo Load Assist system.

These include:

• Load Assist front frame position sensor calibration
• GDF-linkage position sensor calibration
• Lifting arm position sensor calibration
• Load Assist pressure sensor replacement
• Position sensor replacement
• Sensor mounting bracket replacement
• Calibration error code references

These procedures are particularly relevant to technicians servicing the electronic functions associated with the machine's working equipment.

DIAGNOSTIC AND SERVICE TOOL INFORMATION

The documentation includes selected Volvo Tech Tool operations, system calibration references, error codes associated with calibration, and electronic component replacement procedures.

These references can support qualified technicians when diagnosing faults and performing service operations on compatible machine systems.

BENEFITS OF THIS SERVICE REPAIR MANUAL

This manual can help users:

• Locate detailed service and repair procedures
• Inspect and replace engine and hydraulic components
• Perform specified system pressure checks
• Service exhaust aftertreatment equipment
• Identify relevant electronic service operations
• Carry out transmission, brake, and steering repairs
• Consult Load Assist calibration procedures
• Support workshop maintenance and component replacement

WHO IS THIS MANUAL FOR?

This publication is intended for:

• Professional Volvo construction equipment mechanics
• Heavy equipment repair technicians
• Construction machinery service workshops
• Fleet maintenance departments
• Equipment maintenance companies
• Volvo L250H wheel loader owners responsible for machine servicing

IMPORTANT COMPATIBILITY INFORMATION

This manual is identified for the Volvo L250H Wheel Loader.

Before purchasing, verify that your machine model, serial number, equipment configuration, and installed components correspond to the documentation.

Some repair procedures may apply only to particular machine configurations or equipment versions.

The publication year refers to the documentation and does not necessarily indicate the machine's manufacturing year.

DIGITAL PDF DOWNLOAD

This product is supplied as a digital PDF manual in English.

• 1,245 pages of technical documentation
• Engine and exhaust aftertreatment repair procedures
• Electrical and electronic component servicing
• Transmission, brake, and steering repair instructions
• Hydraulic system inspection and repair procedures
• Volvo Co-Pilot and Load Assist service references
• Digital delivery – no printed book will be shipped

A compatible PDF reader is required to open the document.

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Always verify equipment compatibility before purchasing.

CONTENTS 

The manual covers:                                                                           

(0) GENERAL
88830557 User Instruction
E 1708, Checking point
E1680, Holder
E1711
E-2001
E-2005
E-2007
E-2014
E-2015
E-2016
E-2017
E-2018
Infrared Thermometer
Operation numbers for additional work
(1) STANDARD PARTS, SERVICE
Parking brake, manually releasing
(2) ENGINE WITH MOUNTING AND EQUIPMENT
ACM (Aftertreatment control module) non-programmed, replacing
ACM (Aftertreatment control module) pre-programmed, replacing
AdBlue® DEF tank, replacing
AdBlue®DEF hoses, replacing
AdBlue®DEF nozzle, replacing
AdBlue®DEF pump unit, components, replacing
AdBlue®DEF pump unit, replacing
AdBlue®DEF quality, checking
AdBlue®DEF tank armature suction filter, replacing
AdBlue®DEF tank armature, cleaning
AdBlue®DEF tank armature, replacing
AdBlue®DEF tank, cleaning
AdBlue®DEF, draining
Aftertreatment fuel dosing unit, replacing
Aftertreatment fuel nozzle, cleaning
Aftertreatment fuel nozzle, replacing
Air in fuel system, checking
Cable harness O-ring, replacing
Camshaft setting, checking (2)
Camshaft setting, checking
Carbon dioxide in coolant system, checking
Carbon dioxide in fuel system, checking
Compressor, replacing
Cooling system pressure, checking
Crankcase ventilation separator, replacing
Crankshaft front oil seal, replacing (2)
Crankshaft front oil seal, replacing
Crankshaft rear oil seal, replacing
Cylinder compression, testing (2)
Cylinder compression, testing (3)
Cylinder compression, testing
DPF (Diesel particulate filter), checking and cleaning
EGR cooler pressure, testing (2)
EGR cooler pressure, testing
EGR cooler, replacing
EGR valve (internal), replacing
EGR valve, replacing
EGR venturi tube, cleaning
EGR venturi tube, replacing
Engine belts, replacing
Engine control module (ECM), replacing non-programmed (2)
Engine control module (ECM), replacing non-programmed
Engine control module (ECM), replacing pre-programmed (2)
Engine control module (ECM), replacing pre-programmed
Engine mount rubber cushion, replacing (2)
Engine mount rubber cushion, replacing
Engine rotation speed sensor (camshaft), replacing
Engine rotation speed sensor (crank shaft), replacing
Engine, installing (2)
Engine, installing
Exhaust aftertreatment system fuel flow, checking
Exhaust pipe flexible tube, replacing (2)
Exhaust pipe flexible tube, replacing
Fan control valve, seal replacing
Feed pump pressure, checking
Feed pump removed, reconditioning
Feed pump, replacing
Fuel system hand pump, replacing
Fuel system, bleeding
Fuel tank, replacing (2)
Fuel tank, replacing
High pressure air system pressure, checking
Injector sleeves, replacing (2)
Injector sleeves, replacing
Injectors, replacing (2)
Injectors, replacing (3)
Injectors, replacing
Inlet throttle, replacing
Lubrication oil consumption, checking
Lubrication oil pressure, checking with pressure gauge
Muffler with console, installing
Muffler with console, removing
Muffler, replacing
NOx sensor, replacing
Oil cooler, leakage check
Oil cooler, replacing (2)
Oil cooler, replacing
Oil level sensor, replacing
Radiator, replacing
Rocker arms, replacing
SCR (Selective catalytic reduction) dosing system, checking
Silencer, installing
Silencer, removing
Stall speed, checking
Turbocharger, inspecting (2)
Turbocharger, inspecting
Turbocharger, replacing (2)
Turbocharger, replacing
Valves, adjusting (2)
Valves, adjusting (3)
Valves, adjusting
Variable turbocharger actuator, replacing
Yoke, injector, checking
(3) ELEC. SYSTEM, WARNING SYSTEM, INFORMATION SYSTEM, INSTRUMENTS
Batteries, replacing
Battery condition, checking
GPMECU1 non-programmed, replacing
GPMECU1 pre-programmed, replacing
GPMECU2 non-programmed, replacing
GPMECU2 pre-programmed, replacing
GPMECU3 non-programmed, replacing
GPMECU3 pre-programmed, replacing
HMICU non-programmed, replacing
HMICU pre-programmed, replacing
Starter lock, replacing
Starter motor, replacing (2)
Starter motor, replacing
Tech Tool, operations
Volvo Co-Pilot Android software, updating online (OtA)
Volvo Co-Pilot SIM card, installing (2)
Volvo Co-Pilot SIM card, installing
Volvo Co-Pilot, replacing
Volvo Co-Pilot, software updating
W-ECU, replacing, non-programmed
W-ECU, replacing, pre-programmed
(4) POWER TRANSMISSION
Axle suspension, replacing bushes and seals
Axle, installing
Axle, removing
Differential lock, adjusting
Differential lock, function check
Error codes when calibrating
Gear selector valve, replacing one solenoid
Heat exchanger, replacing
Hub reduction, installing (2)
Hub reduction, installing
Hub reduction, removing (2)
Hub reduction, removing
Hub seal, replacing (2)
Hub seal, replacing
Hydraulic transmission, warming up
Lock up valve, replacing
Tech Tool, operations
Transmission oil pressure, checking
Transmission, function check
Transmission, installing
Transmission, removing
(5) BRAKE
Accumulator (removed) charging pressure, checking
Accumulator, installing
Accumulator, removing
Accumulators, checking in machine
Automatic brake function, checking
Brake disc, replacing
Brake discs, measuring wear
Brake discs, replacing
Brake piston seals, replacing (2)
Brake piston seals, replacing
Brake system charging, checking
Brake system circuit pressure, checking and adjusting
Brake system retardation function, checking
Brake system, bleeding
Parking brake discs and seals, replacing
Parking brake function, checking
(6) STEERING
Accumulator, discarding
Comfort drive control (CDC) angle sensor, changing
Comfort Drive Control (CDC) joystick, changing
Comfort drive control (CDC) solenoid valve, changing
Comfort Drive Control, servo pressure, checking
Left steering cylinder, installing
Left steering cylinder, removing
Lever steering (CDC) function, checking
Right steering cylinder, installing
Right steering cylinder, removing
Secondary steering pump working pressure, checking and adjusting
Steering accumulator removed, checking
Steering accumulator, installing
Steering accumulator, removing
Steering system function, checking
Steering system working pressure, checking and adjusting
(7) FRAME, SPRINGS, DAMPING, AXLE SUSPENSION, WHEEL TRACK UNIT
Counterweight, installing
Counterweight, removing
Frame joint, replacing bearings
Front wheel, installing
Front wheel, removing
Rear wheel, installing
Rear wheel, removing
(8) MACHINERY HOUSE, CAB, EXTERIOR TRIM PARTS ANYWHERE
Actuator, replacing
Air conditioning, checking performance
Air mix door actuator, replacing
Cab tilt cylinder, replacing
Cab, position 1, restoring
Cab, position 1
Cab, position 2, restoring
Cab, position 2
CCM, replacing
Climate unit, installing
Climate unit, removing
Compressor, replacing
Condenser, replacing
Cooling unit, leak detection
Door lock cylinder, replacing (2)
Door lock cylinder, replacing
Drying filter, replacing
Electric door opener, control unit, replacing
Electric door opener, locking motor, replacing
Electric door opener, opening support motor, replacing
Electric door opener, rotor switch, replacing
Engine hood, raising and securing
Evaporator, replacing
Expansion valve, replacing
Fan motor, replacing
Heat control valve, replacing
Heater core, replacing
Operator’s seat, securing
Plastic hood, repairing
Refrigerant, draining
Refrigerant, filling incl vacuum pumping
Troubleshooting, air conditioning unit (AC)
Viscous cab suspension, changing one unit
Window pane, installing
Windscreen, replacing
(9) HYDRAULIC SYSTEM, DIGGING, HANDLING, GRADING EQUIPM. MISC. EQUIP
3rd 4th hydraulic function, solenoid valve, replacing
3rd4th hydraulic function, pressure, checking and adjusting
3rd4th hydraulic function, shock valve, checking
Accumulator removed, checking
Accumulator, boom suspension system, discarding
Accumulator, discarding
Automatic lubrication pump unit, reconditioning
Back-up valve, checking and adjusting
Bleeding air
Boom suspension accumulator, checking and adjusting
Boom suspension accumulator, reconditioning
Boom suspension system, checking
Boom suspension system, hydraulic oil pressure in accumulators, depressurizing
Boom suspension system, left accumulator, installing
Boom suspension system, left accumulator, removing
Boom suspension system, pressure reduction, safety valve, checking and adjusting
Boom suspension system, right accumulator, installing
Boom suspension system, right accumulator, removing
Calibration of Load Assist, front frame position sensor
Calibration of Load Assist, GDF-linkage position sensor
Calibration of Load Assist, lifting arm position sensor
Error codes when calibrating
Fire suppression system, actions after activation
Fire suppression system, actions after manual activation
Hydraulic couplings
Hydraulic cylinder, piston’s lock brace, installing
Hydraulic oil tank, vacuum-pumping, connecting and disconnecting pump
Hydraulic pump P1, installing
Hydraulic pump P1, removing
Hydraulic pump P2, installing
Hydraulic pump P2, removing
Hydraulic pump P3, checking
Hydraulic pump P3, installing
Hydraulic pump P3, removing
Hydraulic pump, standby pressure and working pressure, checking and adjusting
Hydraulic system, bleeding
Hydraulic system, warming up
Lift cylinder, repacking in machine
Lift, solenoid valve, changing
Liftlower function, checking
Liftlower, angle sensor, changing (2)
Liftlower, angle sensor, changing
Load Assist, front frame position sensor bracket, replacing
Load Assist, GDF linkage position sensor bracket, replacing
Load Assist, lifting arm position sensor, bracket, replacing
Load Assist, position sensors, replacing (2)
Load Assist, position sensors, replacing
Load Assist, pressure sensor, lift- and lower function, replacing
Lower, solenoid valve, changing
LS (load sense) pressure, checking
Pressure back-up valve, replacing
Servo accumulator, installing
Servo accumulator, removing
Servo pressure, checking and adjusting
Shock valve lift function, checking
Shock valve, tilt function, checking
System test
Tilt cylinder, repacking in machine
Tilt in, solenoid valve, changing
Tilt inout, angle sensor, changing (2)
Tilt inout, angle sensor, changing
Tilt out, solenoid valve, changing
Tilt, checking
Update of automatic lubrication system

AND MUCH MORE INFO!!!!

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