Name: Volvo A25C 4x4 Articulated Dump Truck Repair Service Manual
Brand: Volvo
SKU: 277533
Availability: InStock

Table of Content A25C 4×4 Service Information

GENERAL
- DESCRIPTION, COMPLETE MACHINE
  - General
- SPECIFICATIONS
  - - Specifications, tightening torques
    - Specifications, dimensions
    - Volvo standard tightening torques
- STANDARD TIME
- TOOL
  - - Drawings of E-tools that can be made in your own workshop

STANDARD PARTS, SERVICE
- LUBRICANT; FUEL; OTHER FLUID
  - - Brake system, changing brake fluid
- SERVICE
  - Maintenance
    - Electric welding
  - Emergency measures

ENGINE WITH MOUNTING AND EQUIPMENT
- ENGINE
  - General, common info about 211 – 218
    - Compression check, engine at operating temperature
    - Specifications, general
  - Cylinder head
    - Specifications, tightening torques
  - Cylinder block with crankcase ventilation
  - Valve mechanism
    - Valves, adjusting
  - Engine transmission; camshaft
  - Crank shaft; connecting rod; vibration damper; fly wheel
  - Oil sump, dipstick incl.
  - Engine mounting
- LUBRICATING SYSTEM
  - General, common info about 221 – 224
  - Oil pump; line
    - Lubrication oil pressure, checking
- FUEL SYSTEM
  - General (common info about 233 – 238)
    - Low emission engines
  - Fuel pump; filter; strainer
    - Fuel feed pump, checking feed pressure
  - Fuel tank; fuel filling pump
    - Specifications, capacities
  - Injection pump; regulator; pump companion
    - Fuel injection pump, changing incl. setting injection timing
    - Idle speed, checking and adjusting
    - Injection timing TDC, checking and adjusting
    - Low and high idle speed, checking and adjusting with service display unit
    - Stall speed, checking with service display unit
  - Injector; delivery pipe
    - Injectors, changing all
  - Control system; control unit (for ex. injection timming adjuster)
    - Automatic timing adjuster, checking
    - Automatic timing adjuster (alpha adjuster)
- INLET SYSTEM; EXHAUST SYSTEM
  - Inlet manifold; exhaust manifold
  - Turbo charger
  - Air cleaner with connections; air pre-heater
- COOLING SYSTEM
  - General, common info about 261 – 269
  - Radiator, mounting and connections included
    - Coolant, changing
  - Fan; fan shroud; fan coupling
    - Hydraulic motor for fan, alternatively hydraulic pump, checking internal leakage
    - Radiator fan drive, checking function of motor
    - Radiator fan drive, general description
- ENGINE CONTROL
  - Revs control, foot operated
    - Throttle pedal, anti-throttle cylinder, adjusting

ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
- - Comprehensive info, electrical system
    - Special instructions for servicing the electrical system
- BATTERY; ENERGY STORAGE SYSTEM; MOUNTING PARTS
  - Battery
- ALTERNATOR; CHARGING; ELECTRIC MOTOR; ELECTRIC DRIVES
  - Alternator inclusive drive
    - Charging, checking in machine (multimeter)
  - Charging; converter
- STARTING SYSTEM
  - Starter motor inclusive solenoid
- LIGHTING
  - General, common info about 351 – 356
  - Lighting, front, including parking light and day running light
    - Headlight, complete, changing 1 headlight incl. adjusting alignment
    - Headlights, adjusting against wall or fender
- CABLE; FUSE; RELAY
  - General, common info about 371 – 379
    - A25C 4×4 turn-around wheels (serial no. Ţ€“12483)
    - Explanations of wiring diagrams
    - Instrument panel, (serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400, 44 Ţ€“68200)
    - Instrument panel, (serial no. 11101Ţ€“, BRł 70301Ţ€“, US 66 61401Ţ€“, 44 68201Ţ€“)
    - Wiring diagrams (serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400, 44 Ţ€“68200) Circuit 0Ţ€“6
    - Wiring diagrams(serial no. 11101Ţ€“, BR 70301Ţ€“, US 66 61401Ţ€“, 44 68201Ţ€“) Circuit 0Ţ€“6
  - Cable; battery disconnector
    - Code legend for connectors (serial no. 11101Ţ€“, BR 70301Ţ€“, US 6×6 61401Ţ€“, 4×4 68201Ţ€“)
    - Code legend for connectors (serial no. Ţ€“11100, BR Ţ€“70300, US 6×6 Ţ€“61400, 4×4 Ţ€“68200)
    - Template for pin numbers connector X1/A1
  - Electrical distribution box; fuse box; junction box
    - Circuit board, right electrical distribution box(serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400, 44 Ţ€“68200)
    - (serial no. 11101Ţ€“, BR 70301Ţ€“, US 66 61401 Ţ€“, 44 68201Ţ€“)
    - Fuses, left electrical distribution box
    - Fuses, right electrical distribution box
    - Other fuses(serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400,
    - (serial no. 11101Ţ€“, BR 70301Ţ€“, US 66 61401 Ţ€“,
    - Relays, left electrical distribution box
    - Relays, right electrical distribution box
- INSTRUMENT; SENSOR; WARNING AND INFORMATION SYSTEM
  - General, common info about 383 – 387
  - Speedometer; trip meter; hour counter
    - Speedometer, changing (serial no. 10742Ţ€“11965, BR 70173Ţ€“70388, US 66 61103Ţ€“61623, 44 68157Ţ€“68218)
    - Speedometer, electric, calibrating
    - Speedometer, electronic programming instructions
    - Speedometer, electronic, description (serial no. 11966Ţ€“, BR 70389Ţ€“, US 6×6 61624 Ţ€“, 4×4 68211Ţ€“)
  - Sender, monitoring system
    - Load sensor, checking electric circuits
    - Load sensor, adjusting
  - Warning/information unit, display unit
    - Contronic Information Display Unit
    - Contronic service display unit
    - Information display unit, summary
    - Information on the service display unit
    - Measuring instrument, summary
    - Service display unit, summary
    - Using the service display unit

POWER TRANSMISSION
- - General, common info about 410 – 436
- CLUTCH; TORQUE CONVERTER
  - Hydrodynamic coupling, torque converter
- TRANSMISSION, HYDRAULIC CONTROL
  - - Hydraulic diagram, transmission with retarder from and incl. serial number 93284Ţ€“
    - up to and incl. serial number Ţ€“93283
    - Transmission functions, checking instructions for connector X1/A1
    - Transmission PT1051 Ţ€“ cut-away drawing
    - Transmission PT1051, general description
    - Transmission, general troubleshooting
    - Troubleshooting outside the control unit in connector X1/A1
    - Wiring diagram, transmission electronics, circuit 37a-I
  - Transmission, hydraulic control
    - Diagnosis using error codes on service display unit
    - Gearshift selector, checking
    - Hydraulic transmission, checking oil pressure
    - Inductive sensor for output shaft, changing
    - Inductive sensor for turbine speed, changing
    - Oil cooler, changing
    - Seal for rear output shaft, changing
    - Solenoids, checking resistance
    - Transmission, removing and mounting (engine removed from machine)
    - Transmission, removing and mounting (together with engine)
- GEARBOX,
  - Distributing gearbox
    - Dropbox FL 652 C, general description
    - Dropbox, adjusting high and low range
    - Dropbox, changing compressed air cylinder for high and low range
    - Dropbox, changing seal for rear output shaft
    - Dropbox, changing seal for front output shaft
    - Longitudinal differential lock, adjusting engagement
- PROPELLER SHAFT
  - General, common info about 451 – 453
  - Propeller shaft, complete
    - Intermediate propeller shaft and/or bearing, changing (in frame joint)
    - Propeller shaft between transmission and dropbox, changing
    - Propeller shaft for rear bogie axle, changing
    - Propeller shaft, front output shaft on dropbox, changing
    - Propeller shaft for front bogie axle, changing
- FRONT AXLE; REAR AXLE
  - General, common info about 461 – 468
    - Dog clutch 66, checking and adjusting
    - Final drive 66 output shaft, changing seals and bearings
  - Front axle
    - Front axle complete, removing
  - Differential lock, with control
    - Transverse differential lock, adjusting engagement (per axle)
- POWER TAKE OFF
  - Power take off
  - Power take off, between engine and gearbox (ART)
    - Flywheel housing (rear engine transmission) and power take-off
    - Power take-off in flywheel housing, reconditioning
    - Power take-off in flywheel housing, changing

BRAKE
- - Comprehensive info about brakes
- WHEEL BRAKE
  - General, common info about 511 – 519
    - Brake pads for service brake, checking
    - Specifications, weights
  - Front wheel brake, dry brake
    - Brake caliper, changing (per caliper)
    - Brake disc, changing
- HYDRAULIC BRAKE SYSTEM
  - General, common info about 520 – 522
    - Brake system, bleeding
  - Brake valve
- PARKING BRAKE
  - General, common info about 551 – 554
    - Parking brake caliper removed, reconditioning
    - Parking brake valve Ţ€“ hand-operated lever
    - Parking brake valve, reconditioning
    - Parking brake, changing brake caliper
    - Parking brake, changing brake disc
    - Parking brake, changing brake pads
    - Spring brake cylinder removed, reconditioning
  - Propeller shaft brake
- COMPRESSED-AIR BRAKE
  - General, common info about 561 – 565
    - Blocking valve, reconditioning (removed)
    - Four-way pressure retaining valve, reconditioning (removed)
  - Compressor; regulator; anti-freez unit
    - Cut-out and cut-in pressures, checking and adjusting
    - Cut-out and cut-in pressures, checking and adjusting
  - Compressed-air tank, with mounting
  - Valves, compressed-air
- MISCELLANEOUS
  - General, common info about 591 – 594
    - Compressed air diagram A25C, 4×4 turn-around wheels (serial no. 11101Ţ€“, BR 70301Ţ€“, US 66 61401 Ţ€“, 44 68201Ţ€“)
    - Compressed air diagram A25CTS 6×6 (serial no. Ţ€“12191)
    - (serial no. 12192Ţ€“)
    - Compressed air diagram A25C, 4×4 turn-around wheels (serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400, US 44 Ţ€“68200)
    - Compressed air diagram A25C US 44 68201Ţ€“)
    - Compressed air diagram A25C(serial no. Ţ€“11100, BR Ţ€“70300, US 66 Ţ€“61400, US 44 Ţ€“68200)
  - Retarder
    - Functional description, hydraulic retarder

STEERING
- - Comprehensive info, steering
- - General, common info about 641 – 647
    - Pressure accumulation, engine dependent pumps 1 and 2
  - Steering gear
    - Steering gear, checking and adjusting
    - Steering gear, changing
  - Steering arm; steering linkage; track rod
    - Steering linkage, changing roller bearings in rear lever
    - Steering linkage, changing roller bearing in front lever
    - Steering linkage, checking and adjusting
  - Hydraulic equipment
    - Damping cylinder, removing and mounting
    - Damping cylinder, changing seals
    - Damping cylinder, checking pre-load
    - Steering cylinder bearing, checking
    - Steering cylinder, changing spherical bearing
    - Steering cylinder, reconditioning in machine (left steering cylinder)
    - Steering valve removed, reconditioning
    - Steering valve, changing
    - Steering cylinder, changing
    - Steering system, checking and adjusting operating pressure
    - Steering valve neutral position and valve slide axial clearance, checking
  - Steering damper

FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL/TRACK UNIT
- FRAME
  - Frame, complete
    - Load unit frame, checking dimensions
- SUSPENSION
  - General, common info about 725 – 727
  - Hollow rubber spring, bump stop
    - Front rubber springs, changing all
- FRAME LINK
  - Bearings
    - Frame joint, checking and adjusting clearance
    - Frame joint, changing metallic bearing
    - Steering joint and frame joint
  - Frame link grader
    - Frame joint, changing hitch
    - Steering joint, changing spherical bearings
- AXLE SUSPENSION
  - Movable member system, front/rear
    - A-frame rubber bushing brackets, adjusting front bracket
    - Front or rear bogie axle torsion bar, adjusting
    - Front axle, changing rubber spring (bushing)
    - Load unit A-frame, changing rubber spring (bushing)
  - Bogie suspension
    - Bogie beam, changing rubber springs
    - Torsion bar and/or rubber bushing, changing on load unit
    - Torsion bar, checking and adjusting
- WHEELS; TRACKS; TYRE; HUB; DRUM
  - Wheel

MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
- CAB, NAKED; CANOPY
- TRIM PART, OUTSIDE; GLASS; SEALING MOULDING
  - Glass; sealing moulding
    - Window pane, changing
- CAB INTERIOR/UPHOLSTERY
  - Driver’s seat, complete; instructor’s seat
    - Air spring for operatorŢ€™s seat, changing
    - OperatorŢ€™s seat, adjusting height of attachment
    - OperatorŢ€™s seat, mechanical suspension
- AIR CONDITIONING UNIT
  - Air distribution incl. air intake with filter
  - Heating unit
    - Heater, changing
  - Cooling unit
    - Filling refrigerant R134a

HYDRAULIC SYSTEM; DIGGING/ HANDLING/ GRADING EQUIPM.; MISC. EQUIP.
- WORKING HYDRAULICS; SERVO HYDRAULICS
  - General, common info about 911 – 917
    - Hydraulic system and component positions
    - Hydraulic system, bleeding air
  - Tank; line; oil cooling; filter; breather; filling pump
  - Working hydraulics
  - Pump, working hydraulics
    - Oil pump, changing ground dependent pump
    - Oil pump, checking and adjusting hold (standby) pressure
- LOAD CARRIER
  - Hauler/platform body, incl. tipping cylinder; heating; tail gate
    - Adjusting shims, checking and adjusting lateral position
    - Dump lever, adjusting
    - Dumping valve, changing
    - Dumping valve, changing cable
    - Hoist cylinder removed, reconditioning
    - Hoist cylinder, changing
    - Installing piston rod seals
    - Load body position indicator, adjusting
    - Load body, adjusting against frame
- - General, common info about 992 – 996
    - Hydraulic diagram A25C 6×6

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Volvo A25C 4×4 Articulated Dump Truck Repair Service Manual

Manual Included:

Specifications:

Table of Content A25C 4×4 Service Information

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Volvo A25C 4×4 Articulated Dump Truck Repair Service Manual

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Specifications:

Table of Content A25C 4×4 Service Information

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