Overview
Maintenance and repair information for this model is organized by system in the Volvo A25G Articulated Dump Truck Service Repair Manual. The indexed systems include braking equipment, steering components, working and servo hydraulics, and electrical and instrument systems.
Specific service subjects include transfer gearbox components, hydraulic transmission controls, compressed-air braking, parking-brake components, and fuel injectors and delivery pipes.
Table of Contents
Volvo A25G Manual
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01. General
- Specifications — Tyre equipment and recommended tyre pressures
- Standard Time
- Tool
- Miscellaneous
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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 head
- Engine — Cylinder block with crankcase ventilation
- Engine — Valve mechanism
- Engine transmission; camshaft
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel
- 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
- Inlet System; Exhaust System — Charge air cooler with connections — Charge air cooler
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included
- Cooling System — Coolant pump; thermostat — Thermostat
- Cooling System — Fan; fan shroud; fan coupling
- Engine Control — Revs control, foot operated
- Engine Control — Speed control
- 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 — Error codes; checking components
- 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 — General, common info about 351 – 356
- Lighting, front, including parking light and day running light
- Lighting, rear
- Lighting, extra, including working lighting
- Other Electrical Equipment — General, common info about 361 – 367
- Other Electrical Equipment — Direction indicator
- Other Electrical Equipment — Audible warning from horn; mounting
- 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
- Instrument; Sensor; Warning and Information System — Sender, monitoring system
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
- General, common info about 393 – 395
- Radio, with tape or CD player; voltage divider
- Telematics systems
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05. Power Transmission
- General, common info about 410 – 436
- Transmission, Hydraulic Control — Control
- Gearbox — Distributing gearbox
- Gearbox — Mounting, distributing gearbox
- Propeller Shaft — General, common info about 451 – 453
- Propeller shaft, complete
- 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 — Differential lock, with control
- Power take off, between engine and gearbox (ART)
- General, common info about 491 – 492
- 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)
- 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
- Parking Brake — Wheel brake applying, parking
- Compressed-air Brake — General, common info about 561 – 565
- Compressed-air Brake — Compressor; regulator; antifreeze unit
- Compressed-air Brake — Lines; fittings; miscellaneous
- General, common info about 591 – 594
- Retarder
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07. Steering
- Comprehensive info, steering
- General, common info about 641 – 647
- Steering gear
- Steering arm; steering linkage; track rod
- Hydraulic equipment
- Steering damper
- Supplementary steering
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08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Frame — General, common info about 711 – 718
- Frame, complete
- Frame — Protection; belly plate; bumper
- Suspension — General, common info about 725 – 727
- Suspension, hydraulic/gas, front
- Frame Link — General, frame link complete
- Frame Link — Bearings
- Axle Suspension — General, common info about 751 – 758
- Axle Suspension — Suspension, front axle
- Axle Suspension — Bogie suspension
- Wheels; Tracks; Tyre; Hub; Drum — General, common info about 771 – 775
- 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
- Air Conditioning Unit — Auxiliary heater, diesel fuel operated
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10. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- 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
- Mechanical Equipment/attachment — Push-pull unit; towing hook
- Unit, Load Handling — Load weighing
- Load Carrier — Hauler/platform body, incl. tipping cylinder; heating; tail gate
- General, common info about 992 – 996
- Fire protection; anti theft systems; anti vandalism system
- Automatic lubricating system
Fault-Code Diagnostics and Electronic Software Reference
This coverage includes the entries “Error codes; checking components” and “Software documents, complete vehicle”.
Software documentation and fault-tracing entries are distinct from a supplied software package or diagnostic interface. Their presence identifies reference material, not an included installer or license.
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