Overview
Organized by machine system, the Volvo A20 6×4 BM Articulated Dump Truck Service Repair Manual brings together the technical references used in maintenance and repair work. Its service groups address engine systems, power transmission, braking equipment, and steering components.
The technical index identifies transfer gearbox components, propeller-shaft assemblies, dry-brake components, parking-brake components, and fuel injectors and delivery pipes.
Table of Contents
Volvo A20 6×4 BM Manual
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01. General
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02. Standard Parts, Service
- Service — General, common info about 171 – 179
- Service — Emergency measures
- Safety equipment, without own function group
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03. Engine with Mounting and Equipment
- Engine — General, common info about 211 – 218
- Engine — Valve mechanism
- Lubricating System — General, common info about 221 – 224
- Lubricating System — Oil filter; filter housing
- 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 — Exhaust brake
- Inlet System; Exhaust System — Turbo charger
- Inlet System; Exhaust System — Air cleaner with connections; air pre-heater
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included
- Cooling System — Coolant pump; thermostat
- Engine Control — Revs control, foot operated
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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
- Alternator; Charging; Electric Motor; Electric Drives — Charging; converter
- 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
- 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 — General, common info about 383 – 387
- Instrument; Sensor; Warning and Information System — Sender, monitoring system
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05. Power Transmission
- General, common info about 410 – 436
- Clutch; Torque Converter — Hydrodynamic coupling, torque converter
- Transmission, Hydraulic Control — Control
- Gearbox — Distributing gearbox
- Propeller Shaft — General, common info about 451 – 453
- Propeller shaft, complete
- Propeller Shaft — Centre bearing; mounting
- Front Axle; Rear Axle — General, common info about 461 – 468
- Front Axle; Rear Axle — Differential lock, with control
- Power Take Off — General, common info about 481 – 483
- Miscellaneous — General, common info about 491 – 492
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06. Brake
- Comprehensive info about brakes
- Wheel Brake — General, common info about 511 – 519
- Wheel Brake — Front wheel brake, dry brake
- Hydraulic Brake System — General, common info about 520 – 522
- Parking Brake — General, common info about 551 – 554
- Parking Brake — Propeller shaft brake
- Compressed-air Brake — Compressor; regulator; antifreeze unit
- Compressed-air Brake — Compressed-air tank, with mounting
- Compressed-air Brake — Valves, compressed-air — FOUR-WAY PRESSURE RETAINING VALVE, RECONDITIONING (removed)
- General, common info about 591 – 594
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07. Steering
- Comprehensive info, steering
- Steering wheel; steering column
- Steering gear
- Hydraulic equipment
- Supplementary 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, complete
- Frame — Protection; belly plate; bumper
- Frame Link — General, frame link complete
- Axle Suspension — Suspension, front axle
- Wheels; Tracks; Tyre; Hub; Drum — Wheel
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding
- Air Conditioning Unit — Heating unit
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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
- Load Carrier — Hauler/platform body, incl. tipping cylinder; heating; tail gate
Tipping Body, Tailgate and Working Hydraulic Circuit
Relevant component references include “Hauler/platform body, incl. tipping cylinder; heating; tail gate”.
The body-related references and the working-hydraulics references cover different assemblies; select the named component rather than treating the entire hydraulic section as one procedure.
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