EP EPT20-20RAS EPT25-RAS Electric Pallet Truck Service Manual – PDF DOWNLOAD

EP EPT20-20RAS EPT25-RAS Electric Pallet Truck Service Manual – PDF DOWNLOAD 

FILE DETAILS:

EP EPT20-20RAS EPT25-RAS Electric Pallet Truck Service Manual – PDF DOWNLOAD 

Language : English & Chinese
Pages : 152
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

EP EPT20-20RAS EPT25-RAS Electric Pallet Truck Service Manual – PDF DOWNLOAD 

1 INFORMATION & SPECIFICATIONS 1
1 1 After-sales Service Platform 3
1 2 Introduction 4
1 3 Common Tools 5
1 4 General Tightening Torques 6
2 MAINTENANCE 9
2 1 Overview 11
2 2 Maintenance 12
2 2 1 Cleaning 12
2 2 2 Inspection 12
2 2 3 Lubrication 16
3 STRUCTURE & FUNCTIONS 19
3 1 Structure & Functions 21
3 1 1 Travel Switch 21
3 1 2 Lifting/Lowering Switch 21
3 1 3 Emergency Reverse Switch 21
3 1 4 Horn Switch 21
3 1 5 Key Switch 22
3 1 6 Emergency Stop Switch 22
3 1 7 Charge Gauge 22
3 1 8 Horn 22
3 1 9 Fuse 1 23
3 1 10 Fuse 2 23
3 1 11 AC0 Controller (Traction Controller) 23
3 1 12 EPS-DC0 Controller 23
3 1 13 Lifting Limit Switch 24
3 1 14 Interlock Switch 24
3 1 15 Pump Motor 24
3 1 16 Gear Pump 24
3 1 17 Pump Contactor 25
3 1 18 Solenoid Valve 25
3 1 19 Main Contactor 25
3 1 20 Potentiometer 25
4 CHASSIS SYSTEM 27
4 1 Load Wheel 29
4 1 1 Removal and Installation 29
4 1 2 Faults and Causes 30
4 2 Cover 30
4 2 1 Removal and Installation 30
4 3 Caster 31
4 3 1 Removal and Installation 31
4 4 Safety Gate 32
4 4 1 Removal and Installation 32
4 5 Lifting Mechanism 33
4 5 1 Fork Inspection 33
4 5 2 Connecting Rod Adjustment 33
4 5 3 Removal and Installation 34
5 DRIVE SYSTEM 35
5 1 Drive Wheel 38
5 1 1 Removal and Installation 38
5 1 2 Faults and Causes 38
5 2 Electromagnetic Brakes 39
5 2 1 Removal and Installation 39
5 2 2 Faults and Causes 40
5 2 3 Checking and Testing 40
5 2 4 Control Circuit Troubleshooting 41
5 3 Drive Motor 42
5 3 1 Removal and Installation 42
5 3 2 Faults and Causes 42
5 3 3 Checking and Testing 43
5 3 4 Control Circuit Troubleshooting 44
5 4 Gearbox 45
5 4 1 Removal and Installation 45
5 4 2 Faults and Causes 46
5 5 Proximity Switch 46
5 5 1 Removal and Installation 46
5 5 2 Faults and Causes 47
5 5 3 Checking and Testing 47
5 5 4 Control Circuit Troubleshooting 48
5 6 Steering Motor 49
5 6 1 Removal and Installation 49
5 6 2 Faults and Causes 50
5 6 3 Checking and Testing 50
5 6 4 Control Circuit Troubleshooting 50
5 7 Speed Encoder 51
5 7 1 Removal and Installation 51
5 7 2 Faults and Causes 51
5 7 3 Checking and Testing 51
5 7 4 Control Circuit Troubleshooting 51
6 OPERATING SYSTEM 53
6 1 Control Lever 55
6 2 Button Switch 55
6 2 1 Removal and Installation 55
6 2 2 Faults and Causes 56
6 2 3 Checking and Testing 56
6 2 4 Control Circuit Troubleshooting 57
6 3 Travel Switch 59
6 3 1 Removal and Installation 59
6 3 2 Faults and Causes 59
6 3 3 Checking and Testing 59
6 3 4 Control Circuit Troubleshooting 60
6 4 Potentiometer 61
6 4 1 Removal and Installation 61
6 4 2 Faults and Causes 62
6 4 3 Checking and Testing 62
6 4 4 Control Circuit Troubleshooting 62
6 5 Speed Mode Switch 63
6 5 1 Removal and Installation 63
6 5 2 Connection Mode 63
6 5 3 Faults and Causes 63
6 5 4 Checking and Testing 64
6 5 5 Control Circuit Troubleshooting 64
7 HYDRAULIC SYSTEM 65
7 1 Overview 67
7 1 1 Hydraulic Schematic Diagram 68
7 2 Pump and Motor Assembly 69
7 2 1 Removal and Installation 69
7 2 2 Component 69
7 3 Pump Motor 70
7 3 1 Removal and Installation 70
7 3 2 Faults and Causes 70
7 3 3 Checking and Testing 71
7 4 Pump Contactor 72
7 4 1 Faults and Causes 72
7 4 2 Checking and Testing 72
7 4 3 Control Circuit Troubleshooting 73
7 5 Solenoid Valve 74
7 5 1 Faults and Causes 74
7 5 2 Checking and Testing 74
7 5 3 Control Circuit Troubleshooting 75
7 6 Reach Cylinder 76
7 6 1 Cylinder Removal Precautions 76
7 6 2 Cylinder Installation Precautions 77
7 6 3 Removal and Installation 78
7 7 Hydraulic Troubleshooting 80
7 8 Hydraulic Symbol 81
8 ELECTRICAL SYSTEM 83
8 1 Controller 85
8 1 1 Removal and Installation 85
8 1 2 Controller Interface Function 86
8 2 Fuse 90
8 2 1 Location of Fuses 90
8 2 2 Checking and Testing 91
8 3 Main Contactor 92
8 3 1 Removal and Installation 92
8 3 2 Faults and Causes 92
8 3 3 Checking and Testing 93
8 3 4 Control Circuit Troubleshooting 93
8 4 Lifting Limit Switch 94
8 4 1 Connection Mode 94
8 4 2 Faults and Causes 94
8 4 3 Checking and Testing 94
8 4 4 Control Circuit Troubleshooting 94
8 5 Key Switch 96
8 5 1 Removal and Installation 96
8 5 2 Faults and Causes 96
8 5 3 Checking and Testing 96
8 5 4 Control Circuit Troubleshooting 96
8 6 Charge Gauge 97
8 6 1 Removal and Installation 97
8 6 2 Faults and Causes 97
8 6 3 Checking and Testing 97
8 6 4 Control Circuit Troubleshooting 97
8 7 Interlock Switch 98
8 7 1 Removal and Installation 98
8 7 2 Faults and Causes 98
8 7 3 Checking and Testing 98
8 7 4 Control Circuit Troubleshooting 98
8 8 Handheld Unit (Optional) 99
8 8 1 Handheld Unit Connection 99
8 8 2 Handheld Unit Menu Options 99
8 8 3 TESTER Menu 101
8 9 Controller Error Message 103
8 9 1 Traction Controller 103
8 9 2 Steering Controller (EPS-ACO) 108
8 10 Cable Wiring Diagrams 117
8 11 Electrical Schematic Diagrams 118
8 12 Wiring Harness and Connectors 120
9 TROUBLESHOOTING 121
9 1 Preparation Before Troubleshooting 123
9 1 1 Check the Voltage of Battery 123
9 2 Troubleshooting Solutions of Common Faults 124
APPENDIX 127
B SERVICE MANUAL – BATTERY 129
B1 Lead-acid Battery 131
B1-1 Safety and Warnings 131
B1-2 Use of Battery 131
B1-2 1 Pre-use Checks 131
B1-2 2 Discharging 131
B1-2 3 Charging 132
B1-2 4 Temperature 132
B1-3 Maintenance & Care 132
B1-3 1 Daily Maintenance 132
B1-3 2 Weekly Maintenance 132
B1-3 3 Monthly Maintenance 133
B1-3 4 Care 133
B1-4 Storage 134
B1-5 Troubleshooting 134
B2 Maintenance-free Battery 137
B2-1 Safety and Warnings 137
B2-2 Use of Battery 137
B2-2 1 Pre-use Checks 137
B2-2 2 Discharging 137
B2-2 3 Charging 138
B2-3 Maintenance & Care 138
C SCHEDULE 139