Wacker Neuson EZ20 mini excavator pdf service manual (1000436625)
Item Number: 1000436625
Models: EZ20 Track compact excavator, E23-01
Format: PDF
Type: Service manual
Pages: 248
File size: 18.22 MB
Language: English
Date: December 2021
Issue: 1.2
Table of Contents for WN-1000436625-1-2-SM-EN manual
- 1 Operation
- 1.1 Notes regarding the service manual
- 1.2 Description of warning and hazard notices
- 1.3 Legend and Abbreviations
- 1.4 Warranty and liability
- 1.5 Signage
- 1.6 General view of vehicle
- 1.7 Canopy
- 1.8 Engine compartment
- 1.9 Valve chamber
- 1.10 Pump compartment
- 1.11 Component layout
- 1.12 Display element and switch
- 1.13 Overview of control and warning lights
- 1.14 Working hydraulics
- 1.15 Driver's cab / Steering position
- 1.16 Control lever carrier
- 1.17 Accelerator
- 1.18 High gear
- 1.19 Brake
- 1.20 Protective structures
- 1.21 Check canopy screw connection
- 1.22 Emergency lowering
- 1.23 Depressurising the working hydraulics
- 1.24 Connecting or disconnecting hydraulic clutches
- 1.25 Hydraulic connections
- 1.26 Parking vehicle
- 1.27 Battery disconnection switch
- 1.28 Fire extinguishers
- 2 Technical Data
- 2.1 Types and commercial name
- 2.2 Engine
- 2.3 Injection pump
- 2.4 Drive / Axles
- 2.5 Brake
- 2.6 Track chains
- 2.7 Steering
- 2.8 Hydraulic system
- 2.9 Speed
- 2.10 Coolant mixing table
- 2.11 Ground clearance / Ground pressure
- 2.12 Digging forces
- 2.13 Cylinder speed
- 2.14 Vibrations
- 2.15 Electrics
- 2.16 Weight
- 2.17 Noise emissions
- 2.18 Power tilt
- 2.19 Tightening torque
- 2.20 Load capacity / Bearing load / Lifting force
- 2.21 Dimensions
- 2.22 Kinematics
- 2.23 Measuring the clearance of the rotating ring
- 3 Servicing
- 3.1 Notes on servicing
- 3.2 Service package
- 3.3 Operating fluids and lubricants
- 3.4 Service label
- 3.5 Servicing Plan
- 3.6 Overview of Servicing Areas
- 3.7 Servicing access
- 3.8 Assemble / disassemble canopy
- 3.9 Fuel system
- 3.10 Engine lubricating system
- 3.11 Cooling system
- 3.12 Air filter
- 3.13 Heating, ventilation and air-conditioning
- 3.14 Windscreen washer system
- 3.15 Fan belt
- 3.16 Pressure control
- 3.17 Test records
- 3.18 Hydraulic System
- 3.19 Pilot filter
- 3.20 Axles / Drive
- 3.21 Tyres / Track chains
- 3.22 Servicing and maintenance of accessory tools
- 3.23 Servicing options
- 3.24 Lubrication work
- 3.25 Lubrication plan
- 3.26 Electrical system
- 3.27 Cleaning and maintenance work
- 3.28 Decommissioning and recommissioning
- 3.29 Final decommissioning
- 3.30 Reset maintenance counter
- 4 Engine
- 4.1 Overview of engine 3TNV76-NNS
- 4.2 Fuel system
- 4.3 Cooling system
- 4.4 Valve clearance: Checking and setting
- 4.5 Tightening sequence of cylinder head
- 4.6 Check injection nozzles
- 4.7 Injection jet control
- 4.8 Injection timing
- 4.9 Installing and removing the injection pump
- 4.10 Measuring and adjusting the rotation speed
- 4.11 Compression
- 4.12 Checking the coolant thermostat
- 4.13 Check temperature sensor
- 4.14 Oil pressure switch
- 4.15 Test cooling water circuit
- 4.16 Clean cooling water channel
- 4.17 Cooling water and fuel lines
- 4.18 Crankcase ventilation
- 4.19 Replace glow plugs
- 4.20 Engine malfunctions
- 5 Hydraulic System
- 5.1 How the load sensing systems operate
- 5.2 Component layout
- 5.3 Hydraulic pump
- 5.4 Mobile control block
- 5.5 Drive
- 5.6 Rotary drive
- 5.7 Rotary transmission
- 5.8 Valves
- 5.9 Ventilation filter (hydraulic tank)
- 5.10 Test specifications for the measurement of cylinder speeds
- 5.11 Malfunctions on the hydraulic system
- 6 Electrical System
- 6.1 Ohm's law (current, voltage, resistance); Power
- 6.2 Measuring instruments, measuring method
- 6.3 Relay
- 6.4 Electrical components
- 6.5 Key for main cable harness
- 6.6 Main cable harness up to serial number WNPE2301J00000259
- 6.7 Main cable harness from serial number WNPE2301P00000260
- 6.8 Proportional control of cable harness
- 6.9 Cable harness driving signal
- 6.10 Arm system headlights on cable harness
- 6.11 Front cable headlights
- 6.12 Rear cable headlights
- 6.13 Cable Harness Telematic Tiza GPS
- 6.14 Cable Harness Telematic Tiza GPS
- 7 Circuit Diagrams
- 7.1 Key for hydraulic circuit diagram (up to serial number WNPE2301C00000319)
- 7.2 Hydraulic circuit diagram (up to serial number WNPE2301C00000319)
- 7.3 Hydraulic circuit diagram options version 1
- 7.4 Hydraulic circuit diagram options version 2
- 7.5 Key for hydraulic circuit diagram (from serial number WNPE2301H00000320)
- 7.6 Hydraulic circuit diagram (from serial number WNPE2301H00000320)
- 7.7 Key for circuit diagram
- 7.8 Circuit diagram part 1
- 7.9 Circuit diagram part 2
- 8 Options
- 8.1 Counterweight
- 8.2 Long dipper arm
- 8.3 Electro proportional control
- 8.4 3rd control circuit - AUX II
- 8.5 HQCS valve
- 8.6 Gripper control circuit
- 8.7 Hose rupture protection
- 8.8 Immobiliser
- 8.9 Engine oil service valve
- 8.10 Telematic
- 9 PowerTilt PTS4.5
- 9.1 General Information
- 9.2 Tools
- 9.3 Disconnecting the dipper or accessory from the PowerTilt swivel device
- 9.4 Disconnecting the PowerTilt swivel device from the vehicle
- 9.5 Individual components
- 9.6 Exchanging sealing kit A and bearing kit B
- 9.7 Lubrication and tests
- 9.8 Replacing the ventilation valve
- 9.9 Fixing the PowerTilt swivel device to the vehicle
- 9.10 Fixing the dipper or accessory to the PowerTilt swivel device
- 9.11 Adjust play on PowerTilt
- 9.12 Troubleshooting and error correction
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