Description
- Covers Komatsu/Hanomag 20F, 20FS Wheel Loaders
- 324 pages
- Instant PDF Download
- 23mb file size
- Printable
- Compatible with Windows/Mac/Tablet
This service manual covers servicing of Komatsu 20F, 20FS wheel loaders. It includes detailed OEM specifications, data, illustrations and step-by-step procedures to guide the mechanic with correctly servicing the machine to the manufacturer’s specifications. The service manual is also known as the workshop manual is the most comprehensive available and is offered in a convenient and affordable downloadable PDF format.
Service Manual PDF Download Contents:
- Preface
Description of the machine
Machine identification
Noise emission levels; Vibration levels
Dimensions, weights
Loading and bracing
Safety precautions
Instruments and controls - Operation
Loader hydraulics
Control levers
Arm rest; Locking the control levers
Bucket position indicator
Quick-attach coupler
Quick-attach coupler (4-in-1 bucket) - Running-in period
Inspection and maintenance chart
Lubricant, fuel and coolant specifications; refill capacities - Engine
Oil level
Oil change; Oil filter element; Crankcase breather
Valve clearance; Fuel injectors - 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
- Technical data
- Winter operation
Cleaning the paintwork
Long-term storage of the machine - Electrical system
Battery master switch
Electrical system: Fuses; Relays
Wiring diagram - Engine
Test certificate
View of engine
Technical data
Injection pump adjustment and cylinder head screw tightening sequence
Engine lubrication system
Tightening torques - Drive System
Layout of drive system
Description of closed oil circuit
Hydraulic circuit diagram of drive, steering and working hydraulics
Circuit diagram of drive hydraulic system
Variable-displacement hydraulic pump
Variable-displacement hydraulic pump with valves
Regulating valve and boost pressure relief valve
Adjusting cylinder with directional control valve
Valve for hydraulic pressure cut-off and drive pressure safety valve
Variable-displacement hydraulic motor
Inch valve - Steering System
- Loader Hydraulics
- Repair instructions for door and side windows
- Axles/Brakes
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