Description
Wacker Neuson WL55, WL57 Loader Service Manual
Wacker Neuson WL55, WL57 Loader Index:
Repair Manual
Before you continue reading …
Safety
Repair work (complete vehicle)
Safety instructions for repair work (complete vehicle)
Engine
Safety instructions for working on the engine
Hydraulic system
Safety instructions for working on the hydraulic system
Drive and axles
Safety instructions for working on the drive and axles
Brake system
Safety instructions for working on the brake system
Vehicle frame and load arm
Safety instructions for working on the vehicle frame and load arm
Operator’s platform and cab
Safety instructions for working on the operator’s platform and cab
Electrical system
Safety instructions for working on the electrical system
Technical data
Technical data
1.1 Technical data for Deutz engine
1.2 Technical data for Perkins engine
Filling quantities
Tightening torques
Pressure values
4.1 Pressure values for Deutz engine
4.2 Pressure values for Perkins engine
Flow rates
Safety stickers
Meaning and position of the safety stickers
Testing equipment
7.1 Test pump
7.2 Flow meter
7.3 Generator tester
7.4 Magnetic field tester
7.5 Test pressure gauge
7.6 Fuel line with pressure gauge
Special tools
8.1 Expulsion and driving sleeves
8.2 Sealing plate (2 x)
8.3 Insertion tool
8.4 Driving bolts
8.5 Electrical contact key
8.6 Half-shells and pull-off fixture
8.7 Hose clamp
8.8 Tool for contact removal
Hose book
Inspections
Complete vehicle
1.1 Inspection log for Deutz engine
1.2 Inspection log for Perkins engine
Engine
2.1 Checking and adjusting the valve play (Deutz)
2.2 Checking and adjusting the valve play (Perkins)
2.3 Checking the pressure of the fuel feed pump (Perkins)
2.4 Inspecting the exhaust system for leaks
2.5 Inspecting the radiator for leaks
2.6 Checking the radiator installation
2.7 Troubleshooting on the engine
Hydraulic system
3.1 Driving hydraulics
3.2 Testing the steering hydraulics
3.3 Checking and adjusting the inching
3.4 Working hydraulics
3.5 Troubleshooting on the hydraulic system
Drive and axles
4.1 Inspecting the differential lock
4.2 Checking the water filling of the wheels
4.3 Troubleshooting on the drive
Vehicle frame and load arm
5.1 Checking and adjusting the curling to load and dumping stops
Cab
6.1 Checking the heater and the air-conditioning unit
6.2 Troubleshooting in the cab
Electrical system
7.1 Checking the generator
7.2 Checking the starter
7.3 Checking the temperature sensors
7.4 Testing the fuel level sensor
7.5 Troubleshooting on the electrical system
Replacement
Complete vehicle
1.1 Helpful tips
1.2 Replacing protective stickers
Engine
2.1 Engine (Deutz)
2.2 Engine (Perkins)
2.3 Radiator
2.4 Air filter system
2.5 Fuel system
2.6 Exhaust system
Hydraulic system
3.1 Complete vehicle
3.2 Driving hydraulics
3.3 Steering hydraulics
3.4 Brake hydraulics
3.5 Working hydraulics (gear pump, valves)
3.6 Working hydraulics (hydraulic cylinder)
3.7 Control hydraulic
3.8 Auxiliary hydraulics and hydraulic lock
3.9 Tank, filter and hydraulic lines
Drive and axles
4.1 Replacing the drive shaft
4.2 Front axle
4.3 Rear axle
Brake system (mechanical section)
5.1 Service brake
5.2 Parking brake
Vehicle frame and load arm
6.1 Front carriage
6.2 Rear carriage and engine hood
6.3 Center joint
6.4 Insulation mats
6.5 Load arms
6.6 Tool attachment
Operator’s platform and cab
7.1 Seat
7.2 Frame
7.3 Windows/windshield and doors
7.4 Steering column
7.5 Heater and air-conditioning unit
7.6 Cab lift hydraulic
Electrical system
8.1 Generator, battery and motors
8.2 Switches
8.3 Sensors
8.4 Relays, coils and fuses
8.5 Indicator lamps, audible reverse warning device and instruments
8.6 Lighting system
Attachments
9.1 Replacing the earth bucket digging tooth
9.2 Replacing the prongs of the fork & grab
9.3 Replacing the hydraulic cylinder of the fork & grab
9.4 Replacing the hydraulic cylinder of the multi-purpose bucket
9.5 Replacing the valve of the multi-purpose bucket
Circuit diagrams and descriptions
Hydraulic circuit diagram
Electrical circuit diagram
Plug assignments / contact assignments
3.1 Plug assignments
3.2 Contact assignments
Technical description
Supplier documentation
Engine workshop manual (example)
Variable displ. pump repair instructions (example)
Planetary axle workshop manual (example)
Electrical components