Zoomlion ZT20J Manuals

Manuals and User Guides for Zoomlion ZT20J. We have 1 Zoomlion ZT20J manual available for free PDF download: Service And Maintenance Manual

Zoomlion ZT20J Service And Maintenance Manual (113 pages)

Brand: Zoomlion | Category: Lifting Systems | Size: 5 MB

Foreword
2
Table of Contents
3
Contents
4
Section 1 Maintenance Safety Instruction
10
Maintenance Personnel Duties, Requirements and Safety Equipment
10
Duties
10
Basic Requirements
10
Personnel Safety Equipment
10
Maintenance Precautions
11
Precautions
11
Precautions in Maintenance
12
Section 2 Technical Parameters
19
Performance
19
Specification and Performance
19
Capacity
20
Components Specification
20
Engine
20
Battery
21
Tire
21
Functional Speed
22
Operating Procedure When Testing Speed
22
Test Cautions
22
Torque Requirements
23
Lubrication
23
Hydraulic Oil
23
Pressure Setting
24
Section 3 General Introduction
27
Machine Preparation, Inspection and Maintenance
27
General Introduction
27
Preparation, Inspection and Maintenance
27
Pre-Delivery and Daily Inspections
27
Machine Annual Inspection
27
Preventive Maintenance
28
Maintenance and Instruction
28
General Description
28
Safety and Operating Standards
29
Cleaning
29
Component Disassembly and Installation
29
Component Disassembly and Reinstallation
29
Pressure-Fit Parts
29
Bearing
29
Washer
30
Bolt and Torque Applications
30
Hydraulic Line and Electric Wiring
30
Hydraulic System
30
Lubrication
30
Battery
30
Lubrication and Maintenance
31
Lubrication and Information
31
Hydraulic System
31
Hydraulic Oil
31
Hydraulic Oil Replacement
33
Lubrication Specification
33
Cylinder Drift Test
33
Platform Drift
33
Cylinder Drift
34
Pin and Bearing Inspection Instructions
35
Fiber Bearing
35
Welding on the Device
35
Please Perform the Following Operations When Welding on the Device
35
Do Not Perform the Following Operations When Welding on the Device
35
Use Insulating Grease in Electrical Connection Locations
36
Engine Electrical System Maintenance
36
Section 4 Chassis and Turntable
45
Tire and Wheel
45
Tire Inflation
45
Tire Damage
45
Tire Replacement
46
Wheel Replacement
46
Wheel Installation
46
Swing Axle Exhaust and Locking Test
47
Floating Cylinder Exhaust
47
Swing Axle Lock Test
48
Chassis Angle Sensor System
48
Auxiliary Power System
49
Oscillating Axle System
49
Traveling Drive System
50
Travel Reducer
51
Disassembly
51
Installation
52
Traveling Motor
52
Disassembly
52
Rotary Motor
53
Rotary Reducer
53
Check and Maintenance
53
Gear Oil Replacement
54
Slewing Bearing
55
Slew Bearing Lubrication
55
Check and Maintenance
55
Disassembly
56
Gear Clearance Adjustment of Slewing Mechanism
56
Section 5 Boom and Platform
60
Platform and Jib
60
Load Cell
60
Rotary Actuator
61
Jib Lifting Cylinder
62
Boom Assembly
63
Cable
63
Leveling Cylinder
64
Lower Leveling Cylinder
65
Lifting Cylinder
67
Boom
68
Telescopic Cylinder
71
Wire Rope Pulley Disassembly
75
Wire Rope and Pulley Check
77
Load Cell Check
79
Boom Tilt Sensor Check
80
Calibration of Boom Length Sensor
80
Check of Wire Rope Damage Indication System
81
Beyond the Stowed Position-Limited Speed Check
81
Hydraulic Filter Maintenance
85
High Pressure Filter
85
Oil Filling Filter
85
Return Oil Filter
86
Pressure Setting
86
Starting Procedure
87
Drive Pump Oiling
87
Exhaust Air in the Pump Inlet Pipe
87
Fault Code
88
Common Faults and Methods
94
Section 7 Electrical Information and Schematic
98
General Introduction
98
Multimeter Basic Operation
98
Grounding
98
Backside Detection
98
Minimum Value/Maximum Value
98
Polarity
98
Range
99
Voltage Measurement
99
Resistance Measurement
100
Conduction Test
100
Current Measurement
101
DEUTSCH Connector
101
DT/DTP Series Connector Assembly
101
DT/DTP Series Connector Disassembly
102
HD30/HDP20 Series Connector Assembly
102
HD30/HDP20 Series Connector Removal
103
Hydraulic Schematics
113

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Zoomlion ZT20J Service And Maintenance Manual (113 pages)

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