Zoomlion Telescopic Boom Lifts ZT20J Service And Maintenance Manual 2023 EN

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Zoomlion Telescopic Boom Lifts ZT20J Service And Maintenance Manual 2023 EN
Size: 10.74 MB
Format: PDF
Language: English
Brand: Zoomlion
Type of Machine: Telescopic Boom Lifts
Type of Manual: Fault Code, Service Manual, Maintenance Manual, Hydraulic Schematic, Electrical Schematic
Model: Zoomlion ZT20J Telescopic Boom Lifts
Publication Date: 2023
Number of Pages: 209 Pages

Contents:
Section 1 Maintenance Safety Instruction
1.1 Maintenance Personnel Duties, Requirements And Safety Equipment
1.1.1 Duties
1.1.2 Basic Requirements
1.1.3 Personnel Safety Equipment
1.2 Maintenance Precautions
1.2.1 Precautions
1.2.2 Precautions In Maintenance
Section 2 Technical Parameters
2.1 Performance
2.2 Specification And Performance
2.3 Capacity
2.4 Components Specification
2.4.1 Engine
2.4.2 Battery
2.5 Tire
2.6 Functional Speed
2.6.1 Operating Procedure When Testing Speed
2.6.2 Test Cautions
2.7 Torque Requirements
2.8 Lubrication
2.8.1 Hydraulic Oil
2.9 Pressure Setting
Section 3 General Introduction
3.1 Machine Preparation, Inspection And Maintenance
3.1.1 General Introduction
3.1.2 Preparation, Inspection And Maintenance
3.1.3 Pre-Delivery And Daily Inspections
3.1.4 Machine Annual Inspection
3.1.5 Preventive Maintenance
3.2 Maintenance And Instruction
3.2.1 General Description
3.2.2 Safety And Operating Standards
3.2.3 Cleaning
3.2.4 Component Disassembly And Installation
3.2.5 Component Disassembly And Reinstallation
3.2.6 Pressure-Fit Parts
3.2.7 Bearing
3.2.8 Washer
3.2.9 Bolt And Torque Applications
3.2.10 Hydraulic Line And Electric Wiring
3.2.11 Hydraulic System
3.2.12 Lubrication
3.2.13 Battery
3.2.14 Lubrication And Maintenance
3.3 Lubrication And Information
3.3.1 Hydraulic System
3.3.2 Hydraulic Oil
3.3.3 Hydraulic Oil Replacement
3.3.4 Lubrication Specification
3.4 Cylinder Drift Test
3.4.1 Platform Drift
3.4.2 Cylinder Drift
3.5 Pin And Bearing Inspection Instructions
3.5.1 Fiber Bearing
3.6 Welding On The Device
3.6.1 Please Perform The Following Operations When Welding On The Device
3.6.2 Do Not Perform The Following Operations When Welding On The Device
3.7 Use Insulating Grease In Electrical Connection Locations
3.8 Engine Electrical System Maintenance
Section 4 Chassis And Turntable
4.1 Tire And Wheel
4.1.1 Tire Inflation
4.1.2 Tire Damage
4.1.3 Tire Replacement
4.1.4 Wheel Replacement
4.1.5 Wheel Installation
4.2 Swing Axle Exhaust And Locking Test
4.2.1 Floating Cylinder Exhaust
4.2.2 Swing Axle Lock Test
4.3 Chassis Angle Sensor System
4.4 Auxiliary Power System
4.5 Oscillating Axle System
4.6 Traveling Drive System
4.7 Travel Reducer
4.7.1 Disassembly
4.7.2 Installation
4.7.3 Maintenance
4.8 Traveling Motor
4.8.1 Disassembly
4.8.2 Installation
4.9 Rotary Motor
4.10 Rotary Reducer
4.10.1 Check And Maintenance
4.10.2 Gear Oil Replacement
4.11 Slewing Bearing
4.11.1 Slew Bearing Lubrication
4.11.2 Check And Maintenance
4.11.3 Disassembly
4.12 Gear Clearance Adjustment Of Slewing Mechanism
4.13 Power System
4.13.1 Position Of Engine Main Components
4.13.2 Fuel System
4.13.3 Cooling System
4.13.4 Lubricating System
4.13.5 Control System
Section 5 Boom And Platform
5.1 Platform And Jib
5.1.1 Load Cell
5.1.2 Rotary Actuator
5.1.3 Jib Lifting Cylinder
5.2 Boom Assembly
5.2.1 Cable
5.2.2 Leveling Cylinder
5.2.3 Lower Leveling Cylinder
5.2.4 Lifting Cylinder
5.2.5 Boom
5.2.6 Boom Disassembly
5.2.7 Wire Rope And Pulley Check
5.3 Load Cell Check
5.4 Boom Tilt Sensor Check
5.5 Calibration Of Boom Length Sensor
5.6 Check Of Wire Rope Damage Indication System
5.7 Beyond The Stowed Position-Limited Speed Check
Section 6 Hydraulic And Electrical System Maintenance
6.1 Hydraulic System Safety
6.2 Hydraulic System Cleaning And Lubrication
6.3 Hydraulic System Pipeline
6.4 Hydraulic Oil Replacement
6.5 Initial Start-Up Steps Of Key Hydraulic Components After Replacement
6.5.1 Hydraulic Oil Injection For Traveling Pump
6.5.2 Bleed Air From Gear Pump Inlet Line
6.5.3 Initial Start-Up Procedure After Motor Replacement
6.6 Hydraulic Components Position
6.7 Hydraulic Components Function
6.8 Full Load Pressure Design Value
6.9 Diagram Of Hydraulic Components And Pipeline Connection
6.9.1 Main Valve And Its Piping Connection
6.9.2 Travel Control Valve And Its Pipeline Connection
6.9.3 Platform Control Valve And Its Pipeline Connection
6.9.4 Traveling Diverter Valve And Its Pipeline Connection
6.9.5 Lifting Balance Valve And Its Pipeline Connection
6.9.6 Telescopic Balance Valve And Its Pipeline Connection
6.9.7 Rotary Balance Valve And Its Pipeline Connection
6.9.8 Jib/Leveling Balance Valve And Its Piping Connections
6.9.9 Swing Balance Valve And Its Pipeline Connection
6.9.10 Travel Pump And Its Pipeline Connection
6.9.11 Main Pump And Its Piping Connection
6.9.12 Emergency Pump And Its Piping Connection
6.9.13 Travel Motor And Its Pipeline Connection
6.9.14 High Pressure Filter And Its Pipeline Connection
6.9.15 Charge Filter And Its Piping Connection
6.10 Control System
6.10.1 Control System Description
6.10.2 Display Function And Operation Introduction
6.10.3 Data Monitoring And Information Query
6.10.4 Parameter Management And Password Tools
6.10.5 Sensor Calibration
6.11 Electrical Components Description
6.12 Fault Analysis And Methods
6.13 Fault Code
Section 7 Electrical Information And Schematic
7.1 General Introduction
7.2 Multimeter Basic Operation
7.2.1 Grounding
7.2.2 Backside Detection
7.2.3 Minimum Value/Maximum Value
7.2.4 Polarity
7.2.5 Range
7.2.6 Voltage Measurement
7.2.7 Resistance Measurement
7.2.8 Conduction Test
7.2.9 Current Measurement
7.3 Deutsch Connector
7.3.1 Dt/Dtp Series Connector Assembly
7.3.2 Dt/Dtp Series Connector Disassembly
7.3.3 Hd30/Hdp20 Series Connector Assembly
7.3.4 Hd30/Hdp20 Series Connector Removal
7.4 Electrical Schematics
7.5 Hydraulic Schematics