Volvo L70D Wheel Loader Repair Service Manual

Table of Content L70D Service Information

• GENERAL
  • DESCRIPTION, COMPLETE MACHINE
    • General
      • Product identification plates
  • SPECIFICATIONS
    • General
      • Capacities, (litres)
      • Section 2 Engine
      • Section 3 Electrical system
      • Section 4 Power transmission
      • Section 5 Brakes
      • Section 6 Steering system
      • Section 8 Cab, interior fittings and machine superstructure
      • Section 9 Hydraulic system
      • Tightening torques
      • VOLVO standard tightening torques
      • Weights, (approx.)
  • TRANSPORT INSTRUCTION.; STORAGE INSTRUCTION; OPERATING INSTRUCTION
    • General
      • Transporting the machine
  • STANDARD TIME
    • General

• STANDARD PARTS, SERVICE
  • LUBRICANT; FUEL; OTHER FLUID
    • General
      • Recommended lubricants
  • SERVICE
    • General, common info about 171 – 179
      • Cleanliness in hydraulic systems
      • Electric welding
      • Repairing hydraulic system
      • Service interval
      • Starting with booster batteries
    • Maintenance
      • Axles, oil change
      • Engine, changing oil and filter
      • Hydraulic system, oil change

• ENGINE WITH MOUNTING AND EQUIPMENT
  • GENERAL
    • General, engine installation and its function
      • Specifications, general
      • Tightening torques
  • ENGINE
    • General, common info about 211 – 218
      • Compression test
    • Valve mechanism
      • Valve mechanism specifications
      • Valves, adjusting
    • Crank shaft; connecting rod; vibration damper; fly wheel
  • FUEL SYSTEM
    • Fuel pump; filter; strainer
      • Fuel feed pump specifications
      • Fuel system, bleeding
    • Injection pump; regulator; pump companion
      • Checking stalling speed
      • Idle speed, checking and adjusting
      • Injection angle, checking and adjusting
        (with injection timing tool 998 7057)
      • Injection pump specifications
    • Injector; delivery pipe
      • Injector specifications
  • INLET SYSTEM; EXHAUST SYSTEM
    • Turbo charger
      • Turbocharger, description
    • Air cleaner with connections; air pre-heater
      • Air cleaner, description
      • Specifications, air cleaner
  • COOLING SYSTEM
    • General, common info about 261 – 269
      • Specifications, capacities
      • Specifications, general
    • Fan; fan shroud; fan coupling
      • Hydraulically driven cooling fan, checking and adjusting max. pressure
      • Hydraulically driven cooling fan, checking and adjusting speed
      • Hydraulically driven cooling fan, description
  • ENGINE CONTROL
    • Stop control
      • Stop solenoid, setting

• ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
  • GENERAL
    • Comprehensive info, electrical system
  • BATTERY; ENERGY STORAGE SYSTEM; MOUNTING PARTS
    • General, common info about 311 – 313
  • ALTERNATOR; CHARGING; ELECTRIC MOTOR; ELECTRIC DRIVES
    • General, common info about 321 – 322
  • STARTING SYSTEM
    • General, common info about 331 – 334
    • Electric air pre-heater, excluding element
  • LIGHTING
    • General, common info about 351 – 356
  • CABLE; FUSE; RELAY
    • General, common info about 371 – 379
      • Wiring diagram 8.
        Rotating beacon, direction indicators, brake lights
      • Wiring diagram 23.
        Boom Suspension System (BSS),
        hydraulic oil temperature
      • Wiring diagram 32.
        Mechanical parking brake with rider truck safety norms
    • Electrical distribution box; fuse box; junction box
  • INSTRUMENT; SENSOR; WARNING AND INFORMATION SYSTEM
    • General, common info about 383 – 387
    • Warning/information unit, display unit

• POWER TRANSMISSION
  • GENERAL
    • General, common info about 410 – 436
      • APS II
      • Troubleshooting tips
  • TRANSMISSION, HYDRAULIC CONTROL
    • General
      • Hydraulic transmission HT90 (8-speed model)
    • Transmission, hydraulic control
      • Transmission oil pressure, checking (all)
  • FRONT AXLE; REAR AXLE
    • General, common info about 461 – 468
      • Differential carrier assembly
      • Differential lock AWB15
      • Planetary gear, hub
    • Front axle
      • Front axle, installing
      • Front axle, removing
    • Rear axle 1
    • Differential lock, with control
      • Differential lock, adjusting

• BRAKE
  • GENERAL
    • Comprehensive info about brakes
      • Functional description
  • WHEEL BRAKE
    • General, common info about 511 – 519
    • Front wheel brake (wet brake)
      • Brake discs, front wheel brakes, checking wear
    • Rear wheel brake, axle 1, wet brake
      • Brake discs, rear wheel brakes, changing
      • Brake discs, rear wheel brakes, checking wear
  • HYDRAULIC BRAKE SYSTEM
    • General, common info about 520 – 522
      • Brake system, bleeding
      • Checking function
      • Pressure in circuit, checking and adjusting
      • Retardation, functionality test
    • Brake valve
      • Brake pedal, adjusting angle
      • Foot brake valve, functional description
    • Brake accumulator; hydraulic pump
      • Accumulator, checking (removed)
      • Discarded accumulators
  • PARKING BRAKE
    • General, common info about 551 – 554
      • Parking brake, adjusting
      • Parking brake, electrical system, description

• STEERING
  • GENERAL
    • Comprehensive info, steering
  • STEERING
    • General, common info about 641 – 647
      • Specifications, general
      • Specifications, general
      • Specifications, tightening torques
    • Hydraulic equipment
      • Hydraulic pump, description
      • Steering cylinder, cutaway view
      • Steering cylinder, reconditioning
      • Steering pressure and holding pressure, checking and adjusting
      • Steering valve, description
      • Steering valve, reconditioning
    • Supplementary steering
      • Secondary steering, description
  • LEVER STEERING
    • General
      • Control lever SE603, checking input/output voltage
      • Lever steering (CDC), electrical functions
      • Lever steering (CDC), general description
      • Lever steering (CDC), hydraulic system, description
      • Lever steering, adjusting steering speed
      • Lever steering, checking and adjusting control valve

• FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL/TRACK UNIT
  • FRAME
    • General, common info about 711 – 718
      • General description
      • Specifications, weight
  • FRAME LINK
    • Bearings
  • AXLE SUSPENSION
    • Pivot suspension
      • Rear axle suspension
      • Rear axle suspension, checking play
  • WHEELS; TRACKS; TYRE; HUB; DRUM
    • General, common info about 771 – 775
      • Tightening torques

• MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
  • CAB, NAKED; CANOPY
    • General
      • Cab suspension, description
      • Tightening torques
  • AIR CONDITIONING UNIT
    • General, common info about 872 – 877
      • Heating, ventilation and air conditioning unit, description
    • Cooling unit
      • Air conditioning, description
      • AC operational reliability, functional description
      • Air conditioning specifications
      • Air conditioning, checking performance
      • Electrical system, functional description
      • Evaporator, cleaning

• HYDRAULIC SYSTEM; DIGGING/ HANDLING/ GRADING EQUIPM.; MISC. EQUIP.
  • WORKING HYDRAULICS; SERVO HYDRAULICS
    • General, common info about 911 – 917
      • Central valve, description
      • Control valve, description
      • Hydraulic diagram, boom suspension system,
        single-action lifting function, differential lock
      • Hydraulic diagram, working hydraulics, tilt,
        lifting, and float position function
      • Hydraulic diagram, working hydraulics,
        3rd and 4th functions, attachment lock
      • Wiring diagram 150. 3rd hydraulic function
        with adjustable flow
      • Working hydraulics, description
    • Working hydraulics
      • Shock valve, lift function, checking and adjusting
      • Shock valve, tilt function, checking and adjusting
      • Shock valves 3rd and 4th functions,
        checking and adjusting
    • Pump, working hydraulics
      • Hold (stand-by) pressure, checking and adjusting
      • Working pressure, checking and adjusting
    • Servo hydraulic system
      • Servo pressure, checking and adjusting
      • Servo pressure, checking by spool in control valve
    • Other hydraulic equipment
      • Boom Suspension System (BSS400), checking function
      • Boom Suspension System (BSS400),
        electrical system description
      • Boom Suspension System (BSS400),
        general description
      • Boom Suspension System (BSS400),
        hydraulic system description
      • Hydraulic oil pressure in accumulators,
        unloading
      • Precharging pressure in accumulators,
        checking and adjusting
      • Pressure reducing valve (CT8) for
        Boom Suspension System, setting
      • Specifications, general
  • UNIT, LOAD HANDLING
    • Lifting frame work with mounting and link arm system
      • Designations of loader unit
        bearing arrangements and links