Overview
For workshop servicing and repair planning, the Volvo L70B BM Wheel Loader Service Repair Manual presents technical information by system and assembly. The indexed systems include engine systems, power transmission, braking equipment, and steering components.
More specific subjects include fuel injection timing references, differential-lock controls, hydraulic transmission controls, engine valve components, and hydraulic tanks, filters and oil-cooling equipment.
Table of Contents
Volvo L70B BM Manual
- 01. General
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02. Standard Parts, Service
- Service — General, common info about 171 – 179
- 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
- Fuel System — Fuel pump; filter; strainer
- Fuel System — Fuel tank; fuel filling pump
- Fuel System — Injection pump; regulator; pump companion — Injection angle (timing), checking and adjusting (with injection timing tool 998 7057)
- Fuel System — Injector; delivery pipe
- Inlet System; Exhaust System — Turbo charger
- Inlet System; Exhaust System — Air cleaner with connections; air pre-heater
- Inlet System; Exhaust System — Charge air cooler with connections
- Cooling System — General, common info about 261 – 269
- Cooling System — Coolant pump; thermostat
- Engine Control — Stop control — Stop solenoid, adjustment (applies to L70B and L70C up to incl. ser. no. -11470)
- Engine Control — Cold start control
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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 — General, common info about 321 – 322
- Starting System — Starter motor inclusive solenoid
- Lighting — Bulbs
- Lighting, front, including parking light and day running light
- 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
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
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05. Power Transmission
- General, common info about 410 – 436
- Clutch; Torque Converter — Hydrodynamic coupling, torque converter
- Transmission, Hydraulic Control
- Front Axle; Rear Axle — General, common info about 461 – 468
- Front Axle; Rear Axle — Rear axle 1
- Front Axle; Rear Axle — Differential lock, with control
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06. Brake
- Comprehensive info about brakes
- Wheel Brake — Front wheel brake (wet brake) — Brake discs, checking wear, L70C w.e.fr. ser. no. 13502 – axle with built-in wear indicator
- Wheel Brake — Rear wheel brake, axle 1, wet brake — Brake discs, checking wear, L70C w.e.fr. ser. no. 13502 – axle with built-in wear indicator
- Hydraulic Brake System — General, common info about 520 – 522
- Hydraulic Brake System — Brake valve
- Parking Brake — General, common info about 551 – 554
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07. Steering
- Comprehensive info, steering
- Steering — General, common info about 641 – 647
- Steering — Hydraulic equipment
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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
- Frame — Counterweight
- Frame Link — Bearings
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Cooling 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
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment
- Mechanical Equipment/attachment — Attachment bracket, mechanical and hydraulic Quickfit
- Unit, Load Handling — Lifting frame work with mounting and link arm system
Serial-Number Qualifiers in Service Diagrams
For this subject, the index specifically identifies “Stop solenoid, adjustment (applies to L70B and L70C up to incl. ser. no. -11470)” and “Brake discs, checking wear, L70C w.e.fr. ser. no. 13502 – axle with built-in wear indicator”.
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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