Overview
The Volvo L120B BM Wheel Loader Service Repair Manual provides a workshop reference for maintaining, diagnosing and repairing the documented machine systems. Its service groups address engine systems, power transmission, braking equipment, and steering components.
The technical index identifies differential-lock controls, torque-converter components, cooling-system components, fuel injectors and delivery pipes, and working-hydraulics pumps.
Table of Contents
Volvo L120B BM Manual
- 01. General
-
02. Standard Parts, Service
- Service — General, common info about 171 – 179
- Safety equipment, without own function group
-
03. Engine with Mounting and Equipment
- Engine — General, common info about 211 – 218
- Engine — Valve mechanism
- Engine mounting
- Lubricating System — General, common info about 221 – 224
- 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 — 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 — Radiator, mounting and connections included
- Cooling System — Coolant pump; thermostat
-
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
- Starting System — Starter motor inclusive solenoid
- Starting System — Electric air pre-heater, excluding element
- Starting System — Starter lock
- Lighting — Bulbs
- Lighting, front, including parking light and day running light
- Other Electrical Equipment — Switch; connector
- Other Electrical Equipment — Electronic standard components
- 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
-
05. Power Transmission
- General, common info about 410 – 436
- Clutch; Torque Converter — Hydrodynamic coupling, torque converter
- Transmission, Hydraulic Control — Gearbox mounting
- Gearbox — Distributing gearbox
- 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 — Differential lock, with control
-
06. Brake
- Comprehensive info about brakes
- Wheel Brake — General, common info about 511 – 519
- Hydraulic Brake System — General, common info about 520 – 522
- Hydraulic Brake System — Brake valve
- Hydraulic Brake System — Brake accumulator; hydraulic pump
- Parking Brake — General, common info about 551 – 554
- Parking Brake — Brake control, mechanical
-
07. Steering
- Comprehensive info, steering
- Steering — General, common info about 641 – 647
- Steering — Hydraulic equipment — Hydraulic diagram, basic machine , lever steering (CDC), secondary steering (L90B)
- Steering — Hydraulic equipment — Hydraulic diagram, basic machine , lever steering (CDC), secondary steering (L120B)
- Steering — Supplementary steering
- Lever Steering
-
08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Frame, complete
- Frame — Protection; belly plate; bumper
- Frame — Counterweight
- Frame Link — Bearings
- Axle Suspension — General, common info about 751 – 758
- Axle Suspension — Axle bridge
- Wheels; Tracks; Tyre; Hub; Drum — Wheel
-
09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy — Cab mounting
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Cooling unit
-
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 — Hydraulic oil pump, checking and adjusting unloading pressure (Applies only to L120B)
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system
- Working Hydraulics; Servo Hydraulics — Remote control system
- Unit, Load Handling — Lifting frame work with mounting and link arm system
- Miscellaneous — General, common info about 992 – 996
Lifting Frame and Hydraulic Component References
The detailed reference points include “Lifting frame work with mounting and link arm system”.
Keep the mechanical handling assembly separate from its working-hydraulics references when locating a component or repair topic.
Reviews
There are no reviews yet.