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EPT20-15ET
EP Equipment EPT20-15ET Service Manual
128 pages
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Service
Manual
Electric
Pallet
T
ruck
EPT20-15ETL
EPT20-15ET
2
Table of Contents
Default Chapter
5
Table of Contents
5
1 Information & Specifications
12
After-Sales Service Platform
14
Introduction
15
Common Tools
16
General Tightening Torques
17
2 Maintenance
20
Overview
22
Maintenance
23
Cleaning
23
Inspection
23
Lubrication
27
3 Structure & Functions
30
Structure & Functions
32
Travel Switch
32
Lifting/Lowering Switch
32
Emergency Reverse Switch
32
Horn Switch
32
Emergency Stop Switch
33
Key Switch
33
Charge Gauge
33
LED Charging Indicator
33
Buzzer
34
Fuse
34
Controller
34
Charger
34
Lifting Limit Switch
35
Interlock Switch
35
Pump Motor
35
Gear Pump
35
Pump Contactor
36
Solenoid Valve
36
4 Chassis System
38
Load Wheel
40
Removal and Installation
40
Faults and Causes
41
Cover
41
Removal and Installation
41
Lifting Mechanism
42
Fork Inspection
42
Connecting Rod Adjustment
42
Removal and Installation
43
5 Drive System
44
Drive Assembly
47
Removal and Installation
47
Electromagnetic Brakes
47
Removal and Installation
48
Faults and Causes
48
Checking and Testing
49
Control Circuit Troubleshooting
50
Drive Wheel
51
Removal and Installation
51
Faults and Causes
51
Drive Motor
52
Removal and Installation
52
Faults and Causes
52
Checking and Testing
53
Gearbox
54
Removal and Installation
54
Faults and Causes
54
6 Operating System
56
Control Lever
58
Button Switch
58
Removal and Installation
58
Faults and Causes
59
Checking and Testing
59
Control Circuit Troubleshooting
60
Travel Switch
62
Removal and Installation
62
Faults and Causes
62
Checking and Testing
62
Control Circuit Troubleshooting
63
7 Hydraulic System
64
Overview
66
Hydraulic Schematic Diagram
67
Pump and Motor Assembly
68
Removal and Installation
68
Component
69
Pump Motor
69
Removal and Installation
69
Faults and Causes
70
Checking and Testing
70
Pump Contactor
71
Faults and Causes
71
Checking and Testing
72
Control Circuit Troubleshooting
72
Solenoid Valve
73
Faults and Causes
73
Checking and Testing
73
Control Circuit Troubleshooting
74
Reach Cylinder
75
Cylinder Removal Precautions
75
Cylinder Installation Precautions
76
Removal and Installation
77
Hydraulic Troubleshooting
79
Hydraulic Symbol
80
8 Electrical System
82
Controller
84
Removal and Installation
84
Controller Interface Function
84
Fuse
86
Location of Fuses
86
Checking and Testing
87
Key Switch
88
Removal and Installation
88
Faults and Causes
88
Checking and Testing
88
Control Circuit Troubleshooting
88
Charge Gauge
89
Removal and Installation
89
Faults and Causes
89
Checking and Testing
89
Control Circuit Troubleshooting
89
LED Charging Indicator
90
Removal and Installation
90
Faults and Causes
90
Checking and Testing
90
Control Circuit Troubleshooting
90
Lifting Limit Switch
91
Removal and Installation
91
Faults and Causes
91
Checking and Testing
91
Control Circuit Troubleshooting
91
Interlock Switch
92
Removal and Installation
92
Faults and Causes
92
Checking and Testing
92
Control Circuit Troubleshooting
92
Speed Mode Switch (Optional)
93
Removal and Installation
93
Connection Mode
93
Faults and Causes
93
Checking and Testing
93
Control Circuit Troubleshooting
94
Handheld Unit (Optional)
95
Handheld Unit Connection
95
Handheld Unit Main Menu
95
Parameter Settings
96
TESTER Menu
98
Controller Error Message
99
Traction Controller
99
Electrical Schematic Diagrams
102
Cable Wiring Diagrams
105
Wiring Harness and Connectors
106
9 Troubleshooting
108
Preparation before Troubleshooting
110
Check the Voltage of Battery
110
Troubleshooting Solutions of Common Faults
111
Appendix
114
B Service Manual - Battery
116
B1 Lead-Acid Battery
118
B1-1 Safety and Warnings
118
B1-2 Use of Battery
118
B1-2.1 Pre-Use Checks
118
B1-2.2 Discharging
118
B1-2.3 Charging
119
B1-2.4 Temperature
119
B1-3 Maintenance & Care
119
B1-3.1 Daily Maintenance
119
B1-3.2 Weekly Maintenance
119
B1-3.3 Monthly Maintenance
120
B1-3.4 Care
120
B1-4 Storage
121
B1-5 Troubleshooting
121
B2 Maintenance-Free Battery
124
B2-1 Safety and Warnings
124
B2-2 Use of Battery
124
B2-2.1 Pre-Use Checks
124
B2-2.2 Discharging
124
B2-2.3 Charging
125
B2-3 Maintenance & Care
125
C Schedule
126
Other manuals for EP Equipment EPT20-15ET
Operation Manual
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EP Equipment EPT20-15ET Specifications
General
Load Capacity
2000 kg
Overall Width
1150 mm
Power Type
Electric
Battery Voltage
48 V
Lift Height
3000 mm
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