Download Volvo Wheel Loader L120C Service and Repair Manual PDF (English)

Get the ultimate resource for heavy machinery maintenance with the official Volvo L120C Wheel Loader Service and Repair Manual PDF. Spanning 783 comprehensive pages, this complete guide provides step-by-step repair procedures, troubleshooting steps, and detailed electrical and hydraulic diagrams tailored specifically for the Volvo L120C loader. Whether you are a professional technician or a fleet owner, this downloadable PDF ensures optimal machine performance, safety, and efficient upkeep. Instant access available for quick field repairs and workshop use. www.themanualsgroup.com
 
MODEL COVERED :
Volvo L120C Wheel Loader

CONTENTS INCLUDED : 
4th hydraulic function, description
Accumulator for Boom Suspension System, releasing pressure
Accumulator, Boom Suspension System, reconditioning
Accumulator, checking (removed)
Accumulator, precharging pressure, checking and adjusting
AC-safety, description of function
Action for reducing risk of fire
Action to be taken in case of abnormal lubricating oil consumption
Air conditioning, performance test
Air conditioning, pressure monitor, SE22, checking
Air conditioning, thermostat, SE21, checking
Air conditioning
Air conditioning 1
Air conditioning 2
Air filter, SE7, checking
Alternative lubricants for axles with wet brakes
Alternator 100 A, checking and adjusting voltage
Amendments in Service Manual Engine, D10B; Drive Axle, AWB 40B and Drive Axle, AWB 41 AWB 50
Approved silencers
Automatic greasing systems of foreign manufacture
Automatic greasing
Automatic transmission lubricants
Automatic transmission lubricants 1
Automatic transmission lubricants
Axle oil temperature, SE84 and SE84, checking
Back-up valve, opening pressure, checking
Bearing points in TP-linkage
Biodegradable hydraulic fluids
Boom kick-out and bucket positioner, adjusting
Boom kick-out, SE33, checking
Boom Suspension System, checking
Boom Suspension System
Boom Suspension System 1
Boom Suspension System 2
Boom Suspension System
Bracket for coolant pump
Brake discs, checking wear (with built-in wear indicator)
Brake discs, checking wear (without built-in wear indicator)
Brake discs, replacing (with built-in wear indicator)
Brake pressure, SE14, checking
Brake return spring moved
Brake system, air bleeding
Brake system, retardation, checking function
Bucket positioner, SE35, checking
Cab, installing
Cab, removing
CareTrack, new software update 2008.3.0, including new Conversion kit
Checking function
Checking speed with a frequency meter
Cleaning of the machine
Cleanliness, brake and hydraulic systems
Code key for diodes
Codes used in wiring diagrams
Coding ECU (Electronic Control Unit)
Comfort Drive Control (CDC)
Component location
Component location 1
Component location 2
Component location 3
Component location 4
Component location 5
Component location 6
Component location 7
Component location 8
Component location 9
Component location 10
Component location 11
Component location 12
Component location 13
Component location 14
Component location 15
Component location 16
Component location 17
Component location 18
Component location 19
Component location 20
Component location 21
Component location 22
Component location 23
Control valve
Contronic Service Display Unit
Coolant pump for intercooler, reconditioning
Coolant pump for intercooler, removing and installing
Coolant pump, removing and installing
Description Brake
Description of function
Description, general
Description
Description 1
Description 2
Description 3
Description 4
Description 5
Description 6
Description 7
Description 8
Description 9
Description 10
Description 11
Description 12
Description
Detecting leaks with inspection lamp
Diesel fuels – quality and function
Diesel test standards 1
Diesel test standards
Differential lock, adjusting
Differential pressure, SE51, checking
Discarded accumulators
Discontinued recommendation for usage of anti-corrosion agent in cooling system
Drive axles, description
Dual control
ECU, functional check
Electric welding
Electrical distribution box in cab
Electrical distribution box
Electrical repair kit
Electrical system, air conditioning, description of function
Engine speed, SE3, checking
Engine temperature, SE1, checking
Engine, installing
Engine, removing
Explanations of wiring diagrams (lead and component marking)
Extended oil change interval
Feed pump, checking feed pressure
Fluid levels
Foot brake pedal, adjusting angle and pedal free travel
Foot brake valve (removed), reconditioning
Fork arms, information warranty matters, altered procedures
Frame joint, replacing bearings
Front axle, installing
Front axle, removing
Fuel level, SE17, checking
Fuel system, air bleeding
Fuel tank, removing and installing
Function test
Function
Gear selector valve, description
General description of the control unit (ECU)
General description
Greasing of hydraulic pump drive shaft
Headlights, adjusting
Hydraulic diagram, basic machine
Hydraulic diagram, lever steering (CDC) and secondary steering
Hydraulic diagram, lever steering (CDC)
Hydraulic diagram, secondary steering
Hydraulic diagram
Hydraulic diagrams, working hydraulics
Hydraulic system, description 1
Hydraulic system, description
Idling speed, checking and adjusting
Injection timing, checking and adjusting
Instructions for shielded metal arc welding
Lever steering, CDC
Lever steering, CDC 1
Lever steering, CDC 2
Lever steering, CDC 3
Lever steering, checking and adjusting control valve
Lifting arm, replacing bearings at lower bucket or attachment mounting
Lifting cylinder, changing seals in machine
Lifting cylinder, replacing bushings (removed)
Lifting cylinder, replacing
Lifting tilting cylinder, (principle diagram)
Limitation, TP-linkage
Limp-Home operation 1
Limp-Home operation, gear shifting
Limp-Home operation, monitoring
Limp-Home operation, preheating
Limp-Home operation
List of circuits
Loud tone horn, seat with air suspension
Magnetising, 100 A alternator
Manual release of parking brake
Monitored functions
New control valve
New cylinder block
New injection pump
New rotator, stand 90897
New starter switch
New warranty routines for Bosch diesel equipment
Non – VCE buckets and attachments
Oil analyses
Oil pump, removing and installing
Oil sampling, method
Oils for AWB-axles (Axle Wet Brakes)
Oils for Volvos wheel loaders equipped with AWB axles (Axle Wet Brakes)
Other electrical functions (controlled by the control unit)
Paper sintered type brake disc and mechanical wear indicator
Parking brake (mechanically operated), checking and adjusting
Parking brake pressure, SE6, checking
Parking brake, replacing discs
Portable refillable O-ring kits
Pressure back-up for servo circuit, accumulator checking
Pressure in circuit, checking and adjusting
Pressure-reducing valves R1 and R2,
Product identification plates
Production development list for Volvo transmissions
Quality of illustrations in technical reports
Raising and supporting machines
Rear axle suspension, description
Rear axle suspension, measuring axial and radial clearance
Rear axle, installing
Rear axle, removing
Rear window, replacing
Rear window, sealing
Recommended lubricants
Recovering reclaiming refrigerant R134a using recovery unit FRS-10 GS
Refrigerant in air conditioning
Releasing the hydraulic oil pressure in the accumulator
Removing propeller shafts
Repair instructions for attachments
Repairing hydraulic system
Replacement of rubber collar on expansion tank
Replacing operator seat shock absorber
Reporting of accidents and incidents
Reporting of product misuse & near-miss report
Routine for return of technical goods
Safety valve TB, checking opening pressure
Safety when working with batteries
Seals
Secondary steering Introduction of non-return valve
Section 4 Power transmission
Section 5 Brakes
Service solution for modifying the boom suspension system
Service solution Repair-welding of rear frame steering cylinder bracket
Servo pressure, checking and adjusting 1
Servo pressure, checking and adjusting
Servo pressure, checking at spool in control valve
Servo valve, description of function
Servo valve, operating controls, adjusting
Shift valve, description
Shift valve, reconditioning (removed)
Shock and anti-cavitation valve
Shock valve, lifting function, checking and adjusting
Shock valve, tilting function, checking and adjusting
Single lever control, CDC, 4 gears
Single lever control, gear shifting
Single lever control, servo hydraulics
Software in E-ECU for engines supplied as spare part
Software parameters, description
Special instructions for working on the electrical system
Specifications, capacities (dm
Specifications, capacities (dm 1
Specifications, capacities (dm 2
Specifications, capacities (dm
Specifications, capacities
Specifications, capacities 1
Specifications, capacities 2
Specifications, capacities 3
Specifications, capacities
Specifications, general
Specifications, general 1
Specifications, general 2
Specifications, general 3
Specifications, general 4
Specifications, general 5
Specifications, general 6
Specifications, general 7
Specifications, general 8
Specifications, general 9
Specifications, general 10
Specifications, general 11
Specifications, general 12
Specifications, general 13
Specifications, general 14
Specifications, general 15
Specifications, general 16
Specifications, general 17
Specifications, general 18
Specifications, general 19
Specifications, general 20
Specifications, general 21
Specifications, general 22
Specifications, general 23
Specifications, general 24
Specifications, general 25
Specifications, general 26
Specifications, general 27
Specifications, general 28
Specifications, general 29
Specifications, general 30
Specifications, general 31
Specifications, general 32
Specifications, general
Specifications, tightening torques
Specifications, tightening torques 1
Specifications, tightening torques 2
Specifications, tightening torques 3
Specifications, tightening torques
Specifications, weights
Specifications, weights 1
Specifications, weights 2
Specifications, weights 3
Specifications, weights 4
Specifications, weights 5
Specifications, weights 6
Specifications, weights 7
Specifications, weights 8
Specifications, weights 9
Specifications, weights 10
Specifications, weights 11
Specifications, weights 12
Specifications, weights 13
Specifications, weights
Stand-by pressure and working pressure, checking and adjusting
Steering cylinder, description
Steering cylinder, replacing
Steering lever CU3, checking input output voltage
Steering pressure, SE15, checking
Steering pump, description
Steering pump, reconditioning (removed)
Steering valve, description
Steering valve, reconditioning (removed)
Stop lights, SE29, checking
Stop solenoid, adjusting stroke 1
Stop solenoid, adjusting stroke
Stop solenoid, fault-tracing tips
Stop solenoid
Symbol diagram HT131, L90C
Symbol diagram HT205, L120C
The axial clearance of the rear axle bridge, adjusting
Tilting cylinder, changing seals in machine
Tilting cylinder, replacing bearings (removed)
Tilting cylinder, replacing
Time Guide
Towing
Transmission disengagement, SE2, checking
Transmission oil pressure, SE12, checking
Transmission oil temperature, SE11, checking
Transmission, checking oil pressure
Transmission, description
Transmission, installing
Transmission, removing
Transporting a wheel loader on another vehicle
Transporting wheel loader on another vehicle
Travelling speed, SE4, checking
Trouble-shooting tips
Units connected to the control unit
Valves, adjusting
Ventilation servo casing
Volvo standard tightening torques
Water separator improvement
Wear indicator, description
Wear ring (differential carrier assembly), replacing
Windscreen side pane, replacing and sealing
Windscreen, replacing and sealing
Windscreen, sealing
Wiring diagram, circuit 1-1 ��� 1-10
Wiring diagram, circuit 2-1 ��� 2-10
Wiring diagram, circuit 3-1 ��� 3-10
Wiring diagram, circuit 4-1 ��� 4-10
Wiring diagram, circuit 5-1 ��� 5-10
Wiring diagram, circuit 6-1 ��� 6-10
Wiring diagram, circuit 7-1 ��� 7-10
Wiring diagram, circuit 7-1 ��� 7-10-1
Wiring diagram, circuit 8-1 ��� 8-10
Wiring diagram, circuit 9-1 ��� 9-7
Wiring diagram, circuit 10-1 ��� 10-8
Wiring diagram, circuit 11-1 ��� 11-7
Wiring diagram, circuit 11-1 ��� 11-7-1
Wiring diagram, circuit 11-1 ��� 11-7-2
Wiring diagram, circuit 11-1 ��� 11-7-3
Wiring diagram, circuit 11-1 ��� 11-7-4
Wiring diagram, circuit 12-1 ��� 12-10
Wiring diagram, circuit 13-1 ��� 13-10
Wiring diagram, circuit 13-1 ��� 13-10-1
Wiring diagram, circuit 14-1 ��� 14-10
Wiring diagram, circuit 15-1 ��� 15-7
Wiring diagram, circuit 16-1 ��� 16-8
Wiring diagram, circuit 17-1 ��� 17-5
Wiring diagram, circuit 18-1 ��� 18-8
Wiring diagram, circuit 19-1 ��� 19-7
Wiring diagram, circuit 19-1 ��� 19-7-1
Wiring diagram, circuit 20-1 ��� 20-7
Wiring diagram, circuit 20-1 ��� 20-7-1
Wiring diagram, circuit 20-1 ��� 20-7-2
Wiring diagram, circuit 21-1 ��� 21-7
Wiring diagram, circuit 22-1 ��� 22-8
Wiring diagram, circuit 22-1 ��� 22-8-1
Wiring diagram, circuit 23-1 ��� 23-8
Wiring diagram, circuit 24-1 ��� 24-6
Wiring diagram, circuit 25-1 ��� 25-9
Wiring diagram, circuit 27B-1 ��� 27B-10
Wiring diagram, circuit 30-1 ��� 30-10
Wiring diagram, circuit 31-1 ��� 31-7
Wiring diagram, circuit 32-1 ��� 32-10
Wiring diagram, circuit 33-1 ��� 33-10
Wiring diagram, climate control system and air conditioning
Working hydraulics, description
Working pressure, checking and adjusting

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