Sinoboom AB14EJ - Page 10

© May 2023
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GTZZ14EJ&16EJ Maintenance Manual
Lubricate Slewing Bearing . . . . . . . . . . . 41
Inspect Slewing Bearing Bolts . . . . . . . 41
Disassembly and Installation . . . . . . . . 43
5.6 Counterweight . . . . . . . . . . . . . . . . . . . 44
5.7 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6 Boom and Platform
Assembly ....................... 47
6.1 Boom and Platform System . . . . . . 47
Platform Control Enable System. . . . . 47
Transport Position Sensing System . 47
Load Sensing System . . . . . . . . . . . . . . . 47
6.2 Platform and Jib Boom . . . . . . . . . . . 48
Platform Controller. . . . . . . . . . . . . . . . . . . 48
Platform Assembly. . . . . . . . . . . . . . . . . . . 48
Jib Boom Assembly. . . . . . . . . . . . . . . . . . 49
Swing Cylinder. . . . . . . . . . . . . . . . . . . . . . . 49
Upward Leveling Cylinder . . . . . . . . . . . 50
6.3 Boom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Drag Chain Assembly . . . . . . . . . . . . . . . 50
Downward Leveling Cylinder . . . . . . . . 51
Main Boom Lift Cylinder . . . . . . . . . . . . . 52
Main Boom Assembly . . . . . . . . . . . . . . . 52
Telescopic Boom and Telescopic
Cylinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Articulated Boom Lift Cylinder . . . . . . . 54
Articulated Boom Assembly . . . . . . . . . 55
Boom Slider. . . . . . . . . . . . . . . . . . . . . . . . . . 57
7 Hydraulic System ........... 59
7.1 Layout of Hydraulic Elements . . . . 59
7.2 Function Valves . . . . . . . . . . . . . . . . . . 60
7.3 Hydraulic Oil . . . . . . . . . . . . . . . . . . . . . 65
Check the Oil Level . . . . . . . . . . . . . . . . . . 65
Check the Cleanliness of Hydraulic
Oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Replace the Hydraulic Oil. . . . . . . . . . . . 65
7.4 Hydraulic Tank . . . . . . . . . . . . . . . . . . . 65
Air Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Suction Filter. . . . . . . . . . . . . . . . . . . . . . . . . 66
7.5 Hydraulic Oil Return Filter. . . . . . . . 66
7.6 Hydraulic Oil High-pressure Filter 66
7.7 Inspect Cylinder Drift . . . . . . . . . . . . . 66
7.8 Hydraulic Symbols . . . . . . . . . . . . . . . 67
7.9 Hydraulic Schematic Diagram . . . 68
8 Electrical System............ 69
8.1 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Adding Water . . . . . . . . . . . . . . . . . . . . . . . . 70
Equalization . . . . . . . . . . . . . . . . . . . . . . . . . 70
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
8.2 Charging Faults and Solutions . . . 71
Charging Faults and Solutions
(Lead-acid Battery) . . . . . . . . . . . . . . . . . . 71
Charging Faults and Solutions
(Lithium Battery) . . . . . . . . . . . . . . . . . . . . . 72
8.3 Fault Codes Description . . . . . . . . . 73
Machine Fault Codes . . . . . . . . . . . . . . . . 73
Motor Controller Fault Codes . . . . . . . . 76
Lithium Battery BMS Fault Codes . . . 90
8.4 Basic Trouble Shooting . . . . . . . . . . 91
8.5 Electrical Symbols . . . . . . . . . . . . . . . 94
8.6 Electrical Schematic Diagram. . . . 96
9 Functions and Controls .. 99
9.1 Drive Function. . . . . . . . . . . . . . . . . . . . 99
9.2 Braking Function . . . . . . . . . . . . . . . . . 99
9.3 Tilt Protection Function. . . . . . . . . 100
9.4 Maximum Working Envelope
Limit Function . . . . . . . . . . . . . . . . . . 100
9.5 Overload Limit Function. . . . . . . . 101
10 Control System........... 103
10.1 Display Interface . . . . . . . . . . . . . . 103
10.2 Home Interface After Booting . 104
10.3 State Monitor . . . . . . . . . . . . . . . . . 105
10.4 Fault Inquiry . . . . . . . . . . . . . . . . . . 106