Volvo L120C Wheel Loader Service Repair Manual
The machine is a four-wheel drive loader with articulated frame steering.The engine is a six-cylinder, four-stroke, direct-injection, turbocharged, diesel engine with the designation TD63KBE (L90C), TD73KDE (L120C).The transmission is hydro-mechanical of the power shift type, where all gears are in constant mesh, with the designation HT131 for L90C and HT205 for L120C.
The L120C Service Manual contains detailed information, diagrams, actual real photo illustrations, and schemes, which give you complete step by step operations on repair, servicing, technical maintenance. This manual offers the full details you require for the maintenance and repair of your equipment.
L120C Volvo BM Wheel Loader Operator’s Manual
Volvo L120C Wheel Loader Service Repair Manual – Complete Service Overview
✅ General Safety and Maintenance Guidelines
Includes essential safety practices, lockout/tagout procedures, and precautions for servicing the L120C wheel loader.
✅ Technical Specifications
Covers engine performance data, torque values, fluid capacities, system pressures, and overall machine dimensions and weight.
✅ Routine Maintenance Schedule
Detailed daily, weekly, and interval-based maintenance instructions, including lubrication points and filter replacement guides.
✅ Engine Service Instructions
Step-by-step procedures for engine diagnostics, disassembly, inspection, and repairs, including cooling and fuel system servicing.
✅ Powertrain and Transmission System
Covers troubleshooting, repair, and overhaul of the transmission, torque converter, axles, and drive shafts.
✅ Hydraulic System Service
Repair procedures for the hydraulic pumps, control valves, lift arms, cylinders, and hydraulic reservoir—complete with diagrams.
✅ Electrical System and Wiring Diagrams
Includes electrical schematics, fuse and relay locations, battery and alternator testing, and starter system repairs.
✅ Cab and Operator Controls
Explains instrumentation, control levers, gauges, warning systems, and HVAC components for operator comfort and safety.
✅ Brake and Steering Systems
Covers service and inspection of service brakes, parking brakes, steering cylinders, and the hydraulic steering pump.
✅ Frame, Axles, and Wheels
Instructions for servicing the loader frame, articulation joint, axles, hubs, rims, and wheel bearings.
✅ Troubleshooting Charts
Diagnostic flowcharts and fault identification for resolving engine, hydraulic, and electrical system problems.
Volvo L120C Wheel Loader Manual
Contents as follows:
- General
- Service & Maintenance
- schematics.Engine
- Electrical & Information Systems
- Power Transmission
- Brakes
- Steering
- Frame and wheels
- Cab & interior
- Hydraulic System
- Hydraulic and Electric schematics.
Volvo L120C Wheel Loader Service Repair Manual
Volvo L120C Wheel Loader Service Repair Manual