
GTTZ10EJ Maintenance Manual
1
Key Points
Before maintaining the machine, it is necessary to read, understand and observe those safety rules,
operation instructions and maintenance instructions. Only the trained and authorized personnel are
allowed to maintain the machine. It is necessary to always keep this Manual along with the machine as a
part of it. Please contact with Hunan SINOBOOM Heavy Industry Co., Ltd.
Table of Contents
Importance.........................................................................................................................................3
Safety Rules...................................................................................................................................... 3
Product Performance Parameters................................................................................................. 6
Operating Procedures....................................................................................................................10
Regular Maintenance Procedures............................................................................................... 11
Procedure A............................................................................................................................... 16
A-1 Inspect All Manuals.................................................................................................16
A-2 Inspect All Labels....................................................................................................16
A-3 Inspect Damaged, Loose or Lost Parts...............................................................17
A-4 Inspect Hydraulic Oil Level....................................................................................17
A-5 Inspect Hydraulic Oil Leakage..............................................................................18
A-6 Functional Tests...................................................................................................... 18
A-7 Carry out Maintenance after 30 Days..................................................................19
A-8 Inspect Battery.........................................................................................................19
A-9 Inspect and adjust wirerope tightness.................................................................21
Procedure B............................................................................................................................... 21
B-1 Inspect Electric Wires.............................................................................................21
B-2 Inspect Rim,Tire and Fasteners........................................................................ 22
B-3 Test Key Switch....................................................................................................... 23
B-4 Test Emergency Stop Buttons.............................................................................. 23
B-5 Test Horn..................................................................................................................24
B-6 Test Braking Device............................................................................................... 24
B-7 Testing Traveling Speed (Platform in Lifted State)............................................25
B-8 Testing Traveling Speed (Platform in Fully Retracted State)...........................25
B-9 Test Full Lifting and Full Lowering Time............................................................. 26
B-10 Inspect Hydraulic Oil............................................................................................ 26
B-11 Inspect Ventilation System of Hydraulic Oil Tank........................................... 27
Procedure C............................................................................................................................... 27
C-1 Replace Air Filter of Hydraulic Oil Tank..............................................................27
C-2 Inspect Platform Weighing System (Optional)...................................................28
Procedure D...............................................................................................................................28
D-1 Replace Element of Return Oil Filter of Hydraulic Oil Tank............................ 28
Procedure E............................................................................................................................... 29
E-1 Inspect and Replace Hydraulic Oil.......................................................................29
Maintenance Procedures.............................................................................................................. 30
Platform Components............................................................................................................... 31