LGMG A45JE - Service Manual

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△! WARNING

Before operation and maintenance, the drivers and

maintenance personnel are required to read this manual

thoroughly. Otherwise, fatal accident may occur. This

manual shall be kept properly for future reference by the

personnel concerned.

Service Manual

A14JE

Articulated Boom Mobile

Elevating Work Platform

LINGONG HEAVY MACHINERY CO.，LTD.

Main Page

Table of Contents3
Foreword7
Safety Notices8
Safety and Environment9
Terms and Definitions11
Before Maintenance11
Workplace Requirements11
Maintenance and Repair Safety Specification12
Intended Purpose13
Compliance13
Description13
Product Introduction15
A45Je（A1408Jdtae30）Machine Parameters17
Lift Platform Torque Specification18
Key Component Moment Table21
Service23
Platform Assembly25
Assembling the File Box25
Assembling the Platform Tool Box25
Assembling the Foot Switch25
Assembling the Lifting Cross Bar25
Assembling the Protective Mount25
Assembling the Arc Shield26
Assembling the Platform Assembly26
Assembling the Load Cell27
Assembling the Stop Block27
Assembling the Swing Motor Mounting Bracket27
Assembling the Platform Control Unit (PCU)27
Assembling the Anti-Collision Rubber Pad28
Assembling the Platform28
Axle Assembly28
Removing the Front Axle Assembly28
Removing the Rear Axle Assembly29
Removing the Wheels29
Assembling the Wheels29
Removing the Motor30
Removing the Reducer Assembly30
Jib Assembly30
Removing the Swing Cylinder30
Removing the Jib Assembly31
Removing the Fly Jib Cylinder31
Assembling the Swing Cylinder, the Fly Jib Cylinder and the Jib32
Cable Carrier Assembly35
Removing the Cable Carrier35
Assembling the Cable Carrier36
Boom Assembly37
Removing the Boom Assembly37
Assembling the Boom Assembly38
Subassembling the Boom Assembly39
Hydraulic Tank41
Assembling the Hydraulic Tank41
Removing the Hydraulic Tank42
Cylinder Assembly43
Removing the Boom Luffing Cylinder43
Assembling the Boom Luffing Cylinder44
Removing the Boom Telescopic Cylinder45
Removing the Lower Leveling Cylinder46
Assembling the Lower Leveling Cylinder47
Removing the Leveling Cylinder47
Articulated Boom Assembly49
Removing the Articulated Boom Assembly50
Assembling the Articulated Boom Assembly52
Removing the Articulated Boom Lift Cylinder53
Assembling the Articulated Boom Lift Cylinder54
Rotary Table Swing Assembly55
Removing the Slewing Drive Assembly55
Assembling the Slewing Drive Assembly56
Lowering the Rotary Table56
Other Components56
Assembling the Battery56
Assembling the Horn57
Assembling the Ground Control Unit (GCU) Assembly57
Valve Group58
Installing the Spool58
Boom Function Valve Block58
Bleeding Cylinder60
Bleeding Function Pump60
Bleeding Slewing Motor60
Bleeding Driving Motor60
Bleeding Steering Cylinder60
Bleeding Folding Jib Luffing Cylinder60
Bleeding Main Boom Luffing Cylinder and Lower Leveling Cylinder61
Bleeding Main Boom Telescopic Cylinder61
Bleeding Fly Jib Luffing Cylinder and Upper Leveling Cylinder61
Bleeding Platform Swing Cylinder61
Maintenance63
Compliance and Obedience65
Checking the Safety Manual65
Check the Labels and Signs65
Check for Damaged, Loose or Missing Parts65
Check the Hydraulic Oil Level and Leakage66
Check the Pivoting Support66
Checking the Battery67
Check the Wires68
Check the Electrical Contactors68
Check the Tires and Wheels69
Check the Drive Hub Oil Level69
Check for Exhaust Cover of Hydraulic Oil Tank69
Visual Inspection of the Hydraulic Oil70
Platform Weighing Structure Lubrication70
Checking the Hydraulic Filter70
Replace the Reducer Gear Oil71
Replace the Air Cleaner71
Replace the Hydraulic Oil and Filter71
Regular Maintenance72
Fault Code of Li-Battery73
Routine Inspection and Maintenance Intervals76
Commissioning79
Safety Instructions81
Machine Inspection82
Basic Test83
Start Test83
Emergency Stop Switch83
Horn Switch83
Basic Operation Test of Ground Control Unit83
Basic Operation Test of Platform Control Unit85
Hydraulic Oil Level Test87
Travel Speed (High Speed) Test88
Braking Distance Test88
Drive Speed Limit Test88
Braking Distance Test (at Slow Speed)89
Drive Enable System Test89
Gradeability Test（3089
Operation Time Test90
Lifting Height Test91
Load Test (1.1 Times)91
Load Test (1.25 Times)91
Rated Load Calibration91
Boom Pressure Test92
Articulated Boom Pressure Test92
Slewing Pressure Test93
Steering Pressure Test93
Appendix95
System Fault Code97
Diagram of Common Hydraulic Part Symbols98
Diagram of Common Electrical Part Symbols108
Wire Harness Number Description113
Main Harness113
Platform Wire114
Schematic Diagram116
Electrical Schematic Diagram116
Hydraulic Schematic Diagram117

LGMG A45JE - Service Manual

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