Komatsu 20F 20FS Wheel Loader Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Komatsu Wheel Loader .
This manual contains deep information about maintaining, assembly, disassembly and servicing your Komatsu.
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
Models And Serials :
All Years & Serials Covered
CONTENTS :
Preface
Description of the machine
Machine identification
Noise emission levels; Vibration levelDimensions, weights
Loading and bracing
Safety precautions
Warning information and symbols
Use as intended
Organizational measures
Personnel selection, qualification and basic duties
Notes on safety in particular phases of operation
References to specific hazards
Hauling, towing and re-commissioning
Operation
Safety covers
Genuine HANOMAG spare parts
Parking the machine
Articulation lock
Locking the control levers; Supporting the engine cover
Safety precautions: Machines with forks
Driving; handling and stacking loads
Environmentally acceptable use of the machine
Instruments and controls
Symbols
Starter switch; Socket
Service hour meter; Engine coolant temperature gauge; Fuel gauge;Fuel tank
Warning lights for parking brake, battery charging, engine oil pressure; Air cleaner service indicator
Lighting; Tum signals; Horn
Windscreen wiper, windscreen washer
Cab doors
Operator's seat
Stowage compartment; Engine cover
Heating and ventilating system
Operation
Starting and stopping the engine; Flame start system
Transmission lever
Accelerator pedal; Brake pedal
Parking brake; Steering system
Stopping the machine
Driving on the road
Towing the machine
Loader hydraulics
Control levers
Arm rest; Locking the control levers
Bucket position indicator
Quick-attach coupler
Quick-attach coupler (4-in-1 bucket)
INSPECTION AND MAINTENANCE
Running-in period
Inspection and maintenance chart
Lubricant, fuel and coolant specifications; refill Capacities
Lubricants: Engine oils, hydraulic oils, gear oils
Diesel fuels
Cooling system protection
Description of the inspection and maintenance operations
Engine
Oil level
Oil change; Oil filter element; Crankcase breather
Valve clearance; Fuel injectors
Drive belt tension
Fuel system
Fuel tank
Water separator
Fuel filter
Priming the fuel system
Cooling system
Coolant level
Changing the coolant
Cleaning the radiator
Air cleaner
Main filter element
Safety element
Battery
Electrolyte level and state of charge
Front axle
Oil level; Oil change
Rear axle
Oil level; Oil change
Transfer gear
Oil level; Oil change
Service brake
Oil level
Changing the oil; Bleeding
Brake disc wear
Parking brake
Adjusting
Hydraulic system
Oil level; Adding oil; Pressurizing the oil tank
Oil change
Filter elements
Lubricating the machine
Articulation joint, steering cylinder; Door hinges Universal shafts
Lubricating the equipment
Loader arms; Bucket cylinder; Tilt lever;Tilt link; Lift cylinder; Quick-attach coupler
System pressures
Checking
Technical data
Dimensions; Weights
Engine
Drive system; Travel speeds; Axles; Brakes
Steering system; Electrical system; Equipment hydraulics
Equipment (Bucket)
(4-in-1 bucket)
(Forks)
Buckets
Tyres and inflation pressures
Winter operation
Cleaning the paintwork
Long-term storage of the machine
Electrical system
Battery master switch
Central electrical system: Fuses; Relays.
Wiring diagram
Section 2
Order of Groups
1.Test certificate and measuring points
2.Tightening torques; general information
3.Engine
4.Drive system
5.Steering system
6.Loader hydraulic system
7.Frame
8.Axles and brakes
