Overview
The Volvo L90H Wheel Loader Service Repair Manual brings the machine’s service topics together in a structured workshop reference. The contents bring together power transmission, braking equipment, steering components, and working and servo hydraulics.
Specific service subjects include hydraulic transmission controls, differential-lock controls, engine lubrication, engine valve components, and supplementary steering.
Table of Contents
Volvo L90H Manual
- 01. General
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — General, common info about 171 – 179
- Service — Arrival inspections; delivery service
- Service — Maintenance
- Service — Emergency measures
- Safety equipment, without own function group
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03. Engine with Mounting and Equipment
- General, engine installation and its function
- Engine — General, common info about 211 – 218
- Engine — Cylinder block with crankcase ventilation
- Engine — Valve mechanism
- Engine mounting
- Lubricating System — General, common info about 221 – 224
- Lubricating System — Oil pump; line
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel pump; filter; strainer
- Fuel System — Fuel tank; fuel filling pump
- Fuel System — Injection pump; regulator; pump companion
- Fuel System — Injector; delivery pipe
- Inlet System; Exhaust System — General, common info about 251 – 258
- Inlet System; Exhaust System — Silencer; exhaust pipe
- Inlet System; Exhaust System — Exhaust brake
- Inlet System; Exhaust System — Catalytic converter; exhaust emission control equipment
- Inlet System; Exhaust System — Turbo charger
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included
- Cooling System — Coolant pump; thermostat
- Cooling System — Fan; fan shroud; fan coupling
- Engine Control — Revs control, foot operated
- Miscellaneous — EGR (Exhaust Gas Recirculation)
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- Software documents, complete vehicle
- Faulttracing
- Battery; Energy Storage System; Mounting Parts — Battery
- Alternator; Charging; Electric Motor; Electric Drives — Alternator inclusive drive
- Starting System — Starter motor inclusive solenoid
- Starting System — Starter lock
- Lighting — General, common info about 351 – 356
- Other Electrical Equipment — Cleaner
- Other Electrical Equipment — Switch; connector
- Other Electrical Equipment — Automatic control/blocking function, lacking a function group of its own
- Cable; Fuse; Relay — General, common info about 371 – 379
- Cable; Fuse; Relay — Cable; battery disconnector
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box
- Cable; Fuse; Relay — Miscellaneous
- Instrument; Sensor; Warning and Information System — General, common info about 383 – 387
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
- Miscellaneous — Telematics systems
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05. Power Transmission
- General, common info about 410 – 436
- Transmission, Hydraulic Control
- Propeller Shaft — General, common info about 451 – 453
- Front Axle; Rear Axle — General, common info about 461 – 468
- Front Axle; Rear Axle — Front axle
- Front Axle; Rear Axle — Rear axle 1
- Front Axle; Rear Axle — Differential lock, with control
- Miscellaneous — General, common info about 491 – 492
- Miscellaneous — Oil cooler, transmission
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06. Brake
- Comprehensive info about brakes
- Wheel Brake — General, common info about 511 – 519
- Wheel Brake — Front wheel brake (wet brake)
- Wheel Brake — Rear wheel brake, axle 1, wet brake
- Hydraulic Brake System — General, common info about 520 – 522
- Hydraulic Brake System — Brake cooling system
- Hydraulic Brake System — Brake valve
- Hydraulic Brake System — Brake accumulator; hydraulic pump
- Parking Brake — General, common info about 551 – 554
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07. Steering
- Comprehensive info, steering
- Steering — Hydraulic equipment
- Steering — Supplementary steering
- Lever Steering
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08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Comprehensive info about frame and track unit/wheels
- Frame — General, common info about 711 – 718
- Frame — Counterweight
- Frame Link — General, frame link complete
- Frame Link — Bearings
- Wheels; Tracks; Tyre; Hub; Drum — Wheel
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Comprehensive info, machinery house and cab
- Cab, Naked; Canopy — Cab mounting
- Engine Hood; Mudguard; Foot Step — General, common info about 821 – 827
- Engine Hood; Mudguard; Foot Step — Engine hood with assembly parts
- DOORS; HATCH; COVER PLATE, (all) — Door, complete with catch, hinges (no glass)
- DOORS; HATCH; COVER PLATE, (all) — Lock; handle
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Heating unit
- Air Conditioning Unit — Cooling unit
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10. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- General
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump
- Working Hydraulics; Servo Hydraulics — Working hydraulics
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment
- Mechanical Equipment/attachment — Attachment bracket, mechanical and hydraulic Quickfit
- Unit, Load Handling — Lifting frame work with mounting and link arm system
- Unit, Load Handling — Load weighing
- Miscellaneous — Fire protection; anti theft systems; anti vandalism system
- Miscellaneous — Automatic lubricating system
Lifting Frame and Hydraulic Component References
Relevant component references include “Lifting frame work with mounting and link arm system” and “Attachment bracket, mechanical and hydraulic Quickfit”.
Lifting-frame and attachment references belong to the handling assembly, while pump and fluid-system entries sit in the hydraulic group. Choose the branch matching the part being inspected.
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