Overview
The Volvo A40 Articulated Dump Truck Service Repair Manual brings the machine’s service topics together in a structured workshop reference. The indexed systems include braking equipment, steering components, working and servo hydraulics, and electrical and instrument systems.
The contents also identify propeller-shaft assemblies, torque-converter components, engine compression checks, compressed-air braking, and parking-brake components.
Table of Contents
Volvo A40 Manual
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01. General
- Specifications — Product identification plates
- Standard Time
- Tool — Drawings of E-tools that can be made in your own workshop
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — Maintenance — Special instructions for servicing the electrical system
- Service — Emergency measures
- Service — Miscellaneous
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03. Engine with Mounting and Equipment
- General, engine installation and its function
- Engine — General, common info about 211 – 218 — Compression check, engine at operating temperature
- Engine — Valve mechanism
- Lubricating System — General, common info about 221 – 224
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel pump; filter; strainer — Fuel system, bleeding air
- Fuel System — Injection pump; regulator; pump companion — Idle speed, checking and adjusting with service display unit
- Fuel System — Injector; delivery pipe
- Inlet System; Exhaust System — General, common info about 251 – 258
- Inlet System; Exhaust System — Exhaust brake — Exhaust retarder, functional description
- Inlet System; Exhaust System — Exhaust brake — Exhaust retarder, sensor, adjusting
- Inlet System; Exhaust System — Exhaust brake — Exhaust retarder, sensor, changing
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included — Coolant, changing
- Cooling System — Coolant pump; thermostat — Coolant pump, removed, reconditioning
- Cooling System — Fan; fan shroud; fan coupling — Fan motor, checking operating pressure
- Cooling System — Fan; fan shroud; fan coupling — Fan motor, changing, removing
- Cooling System — Miscelaneous — Cooling system, functional diagram
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- Battery; Energy Storage System; Mounting Parts — Battery
- Alternator; Charging; Electric Motor; Electric Drives — Alternator inclusive drive
- Starting System — Starter motor inclusive solenoid
- Starting System — Electric air pre-heater, excluding element
- Lighting, front, including parking light and day running light
- Lighting, rear
- Lighting, interior
- Lighting, extra, including working lighting
- Other Electrical Equipment — Direction indicator
- Cable; Fuse; Relay — General, common info about 371 – 379
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box
- Instrument; Sensor; Warning and Information System — General, common info about 383 – 387 — Combination instrument
- Instrument; Sensor; Warning and Information System — Speedometer; trip meter; hour counter
- Instrument; Sensor; Warning and Information System — Sender, monitoring system
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
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05. Power Transmission
- General, common info about 410 – 436 — Missing signal from both engine speed sensor (SE3) and speed sensor (SE4)
- Clutch; Torque Converter — Hydrodynamic coupling, torque converter
- Transmission, hydraulic control — Checking main, torque converter and lubrication oil pressure
- Transmission, hydraulic control — Checking modulating valves, retarder and lock-up
- Transmission, hydraulic control — Measuring resistance in SE3, SE4 and SE86
- Transmission, hydraulic control — Measuring resistance of sensor for retarder temperature (SE13)
- Transmission, hydraulic control — Measuring resistance in cable harness
- Transmission, hydraulic control — Multi-pin breaker box
- Transmission, hydraulic control — Pressure regulator for retarder, checking and adjusting
- Transmission, hydraulic control — Retarder valve, changing seal
- Transmission, hydraulic control — Turbine speed sensor, changing
- Gearbox — Distributing gearbox — Dropbox, changing seal for front output shaft
- Gearbox — Distributing gearbox — Longitudinal differential lock, adjusting engagement
- Propeller Shaft — General, common info about 451 – 453
- Propeller shaft, complete — Propeller shaft for rear bogie axle, changing
- Propeller shaft, complete — Propeller shaft for front bogie axle, changing
- 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 — Rear axle 2
- Front Axle; Rear Axle — Front axle, rear axle — Dog-clutch 6×6, checking and adjusting
- Front Axle; Rear Axle — Differential lock, with control — Transverse differential lock, adjusting engagement (per axle)
- Power take off
- Miscellaneous — General, common info about 491 – 492 — Transmission PT 1760
- Miscellaneous — General, common info about 491 – 492 — Transmission, hydraulic diagram
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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) — Brake discs, checking
- Wheel Brake — Front wheel brake (wet brake) — Planetary gear with brake parts
- Hydraulic Brake System — General, common info about 520 – 522 — Brake oil filter, changing
- Hydraulic Brake System — General, common info about 520 – 522 — Brake system, bleeding air
- Hydraulic Brake System — General, common info about 520 – 522 — Brake system, checking function
- Hydraulic Brake System — Brake cooling system
- Hydraulic Brake System — Brake valve — Foot brake valve (service brake valve), adjusting
- Hydraulic Brake System — Brake valve — Foot brake valve (service brake valve), changing
- Hydraulic Brake System — Brake valve — Valve slide position in valve housing, checking
- Hydraulic Brake System — Brake accumulator; hydraulic pump — Accumulator, checking
- Hydraulic Brake System — Brake accumulator; hydraulic pump — Hydraulic pump, changing
- Parking Brake — General, common info about 551 – 554 — Spring brake cylinder, changing
- Parking Brake — Brake control, mechanical — Parking brake valve (hand-operated lever)
- Parking Brake — Propeller shaft brake
- Parking Brake — Wheel brake applying, parking — Load and dump brake (serial no. 1401–, US 60301–)
- Compressed-air Brake — General, common info about 561 – 565
- Compressed-air Brake — Compressor; regulator; antifreeze unit
- Compressed-air Brake — Compressed-air tank, with mounting
- Compressed-air Brake — Valves, compressed-air
- General, common info about 591 – 594 — Compressed air diagram
- Retarder
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07. Steering
- Comprehensive info, steering
- General, common info about 641 – 647
- Steering gear, checking and adjusting
- Steering gear — Steering, rack and pinion gear, changing
- Steering arm; steering linkage; track rod — Steering linkage, changing roller bearing in rear lever (serial no. 1226–, US 60146–)
- Steering arm; steering linkage; track rod — Steering linkage, changing roller bearing in bracket (serial no. 1226–, US 60146–)
- Steering arm; steering linkage; track rod — Steering linkage, changing roller bearing in front lever (serial no. 1226–, US 60146–)
- Steering arm; steering linkage; track rod — Steering linkage, checking and adjusting
- Steering arm; steering linkage; track rod — Steering valve slide axial clearance, checking and adjusting
- Hydraulic equipment — Steering cylinder, changing (right side)
- Hydraulic equipment — Steering valve neutral position and valve slide axial clearance, checking
- Steering damper — Damping cylinder, changing seals
- Steering damper — Damping cylinder, checking pre-load
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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 — Load unit frame, checking dimensions
- Suspension — General, common info about 725 – 727
- Suspension — Hollow rubber spring, bump stop — Removing and mounting
- Frame Link — Bearings — Frame joint, changing metallic bearing
- Frame Link — Bearings — Frame joint, checking and adjusting clearance
- Frame link grader — Steering joint, adjusting clearance
- Frame link grader — Steering joint, changing spherical bearings
- Axle Suspension — General, common info about 751 – 758
- Axle Suspension — Suspension, front axle — A-frame tractor unit, changing rubber bushing
- Axle Suspension — Bogie suspension — Bogie beam, changing rubber bushing (one side)
- Axle Suspension — Bogie suspension — Torsion bar, checking and adjusting
- Axle Suspension — Bogie suspension — Torsion bar rubber bushing (rubber bearing), front, changing
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy
- Engine Hood; Mudguard; Foot Step — Engine hood with assembly parts
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat — If backrest adjustment is harsh or backrest is loose
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat — Operator’s seat, adjusting height of attachment
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Heating unit — Heat control valve, changing
- Air Conditioning Unit — Heating unit — Heater, changing
- Air Conditioning Unit — Cooling unit — Air conditioning, checking function
- Air Conditioning Unit — Cooling unit — Air conditioning, functional description
- Air Conditioning Unit — Cooling unit — Refrigerant, vacuum pumping including filling (charging)
- Interior Equipment — General, common info about 881 – 884 — Protection against electromagnetic interference
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10. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic system, bleeding air
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Hydraulic pumps for steering and dumping system, checking internal leakage
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Oil pump, checking and adjusting hold pressure, pumps 1, 2 and 4
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Oil pump, ground dependent, changing
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment
- Load Carrier — Hauler/platform body, incl. tipping cylinder; heating; tail gate
- General, common info about 992 – 996 — Hydraulic diagram, brake system
- General, common info about 992 – 996 — Hydraulic diagram, complete
Steering Diagrams and Serial-Qualified Components
Use the entries “Steering linkage, changing roller bearing in rear lever (serial no. 1226–, US 60146–)” and “Steering linkage, changing roller bearing in bracket (serial no. 1226–, US 60146–)” to locate the named component information.
The serial qualifiers apply to those named entries, not automatically to every section of the manual. Keep each range attached to its diagram or component reference.
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