© Jul.2020
ii
GTJZ0612E&0812E&1012E&1212E Maintenance Manual
A-18 Perform Maintenance After
30 Days . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
Checklist B Procedures . . . . . . . . . . . . . .4-14
B-1 Inspect Electric Wires . . . . . . . . .4-14
Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
B-3 Inspect Battery . . . . . . . . . . . . . . . .4-15
B-4 Inspect Hydraulic Oil . . . . . . . . . .4-16
B-5 Inspect Hydraulic Oil Tank
Ventilation System . . . . . . . . . . . . . . . . .4-16
B-6 Inspect Brake Manual Release
Function . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
Checklist C Procedures . . . . . . . . . . . . . .4-18
C-1 Replace Hydraulic Oil Tank Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-18
Checklist D Procedures . . . . . . . . . . . . . .4-18
Installation Bearing . . . . . . . . . . . . . . . .4-18
D-2 Inspect Chassis Slider . . . . . . . .4-18
D-3 Replace Hydraulic Oil Tank
Return Oil Filter Element . . . . . . . . . .4-19
D-4 Inspect and Replace Hydraulic
Oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-19
D-5 Inspect Key Structural Parts. . .4-20
Maintenance Procedures ...... 5-1
Platform Components . . . . . . . . . . . . . . . . . 5-1
Removing the Platform Controller . . 5-1
Removing the Platform . . . . . . . . . . . . . 5-1
Removing the Extension Platform . . 5-2
Scissor Arm Components . . . . . . . . . . . . . 5-2
Removing the Scissor Arm . . . . . . . . . 5-2
Removing the Lifting Oil Cylinder . . . 5-2
Chassis Components . . . . . . . . . . . . . . . . . 5-3
Removing the Drive Deceleration
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Removing the Front Wheel Bracket 5-3
Removing the Steering Cylinder . . . . 5-4
Removing the Battery. . . . . . . . . . . . . . . 5-4
Hydraulic System . . . . . . . . . . . . . . . . . . . . . 5-4
Testing the Function Pump . . . . . . . . . 5-4
Removing the Hydraulic Power Unit 5-5
Removing the Hydraulic Pump . . . . . 5-5
Removing the Hydraulic Oil Tank . . . 5-5
Removing the Hydraulic Valve Block5-5
Installing the Cartridge Valve . . . . . . . 5-6
Overflow Valve. . . . . . . . . . . . . . . . . . . . . . 5-7
Adjusting the Steering Overflow
Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Adjusting the Emergency Lowering
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Hydraulic Symbols . . . . . . . . . . . . . . . . . . 5-8
Hydraulic Schematic Diagram . . . . . . 5-9
Electrical System. . . . . . . . . . . . . . . . . . . . . 5-11
Description. . . . . . . . . . . . . . . . . . . . . . . . . 5-11
maintenance) . . . . . . . . . . . . . . . . . . . . . . 5-11
Use and Care of Lead-acid Battery
(maintenance-free) . . . . . . . . . . . . . . . .5-15
Use and Care of Lithium Battery . . .5-15
outdoor mode . . . . . . . . . . . . . . . . . . . . . .5-16
System) . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16
Fundamental Troubleshooting . . . . .5-22
Electrical Symbols . . . . . . . . . . . . . . . . .5-25
Electrical Schematic Diagram . . . . .5-27
Record Before Delivery ....... A-1
Содержание GTJZ0612E
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