
e. Operating the tractor ......................................................................................................................... 30
e.1 Safety regulations for traveling operation ................................................................................... 30
e.2 Emergency stop, traveling, steering, braking ............................................................................. 31
e.3 Activating the lights ..................................................................................................................... 32
e.4 Load operation ............................................................................................................................ 32
e.5 Travel with trailer ......................................................................................................................... 33
e.6 Side controls operation ............................................................................................................... 34
f. Operating instructions for pin-code lock (○) ...................................................................................... 35
f.1 Description of the pin-code lock .................................................................................................. 35
f.2 Starting up the truck ..................................................................................................................... 35
g. Trouble shooting ............................................................................................................................... 36
g.1 Fault codes of LDB80S04 display unit ........................................................................................ 36
g.2 Fault codes of Curtis 3401T - 5002 display unit (○) ................................................................... 38
6. TRUCK MAINTENANCE ...................................................................................................................... 55
a. Operational safety and environmental protection ............................................................................. 55
b. Maintenance safety regulations ........................................................................................................ 55
b.1 Lifting and jacking up the truck ................................................................................................... 55
b.2 Cleaning ...................................................................................................................................... 56
b.3 Operating the electrical system .................................................................................................. 56
b.4 Tractor wheels ............................................................................................................................. 57
c. Maintenance and Inspection ............................................................................................................. 57
c.1 Maintenance checklist ................................................................................................................. 57
c.2 Liquid dielectrics .......................................................................................................................... 59
d. Lubrication diagram .......................................................................................................................... 59
e. Maintenance instructions .................................................................................................................. 60
e.1 Preparations for completing maintenance operations ................................................................ 60
e.2 Tighten the wheel hub nuts and bolts ......................................................................................... 61
e.3 Brake fluid ................................................................................................................................... 61
e.4 Refill with distilled water .............................................................................................................. 62
e.5 Check electrical fuses ................................................................................................................. 63
e.6 Servicing the seat belt ................................................................................................................ 63
e.7 Recommissioning the truck ......................................................................................................... 63
f. Decommissioning and storing the tractor .......................................................................................... 63
f.1 Precautions before storage .......................................................................................................... 64
f.2 Precautions during storage .......................................................................................................... 64
f.3 Recommissioning after storage ................................................................................................... 64
g. Carry out safety inspections of the tractor regularly or in the event of an abnormal situation ......... 64
h. Scrap and disposal ........................................................................................................................... 65
7. WIRING/ CIRCUIT DIAGRAM ............................................................................................................. 66
a. Electrical diagram ............................................................................................................................. 66
a.1 T30Q Electrical diagram (QT controller) ..................................................................................... 66
a.2 T30Q Electrical diagram for (QT controller) with pin-code lock .................................................. 67
a.3 T30QElectrical diagram for (Curtis controller) ............................................................................ 68
a.4 T30Q Electrical diagram for (Curtis controller) with pin-code lock ............................................. 69