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2.2Operating principle
2.2.1 Running system
It is battery provides energy storage and the frequency conversion system converts direct current
to alternating current that make the truck walk. Ac motor transforms high speed low torque into
low speed high torque through the gear reducer
，
and finally by the driving wheel to perform
actions. Walking speed is achieved by variable frequency control of motor speed and controlled
by the accelerator.
Gear box has been posited enough gear lubricating oil in the factory . And please change the gear
lubricating oil every 1000 hours under normal circumstances.
If you hear abnormal sound from gear box when using, please stop and check immediately. If
there are bearing failure or some problem in gear, please replace and repair them.
2.2.2 Steering system
The operating handle drives the rotation direction sensor which can send out the turn signals that
makes the tractor turn around.
2.2.3Operating system
1.Travel Switch 2.Emergency reversing button
3.Horn button
2.2.4 Braking system
Braking performance depends on road conditions and vehicle load conditions.
The brake function can be activated by the following ways
：
⚫
Turn the travel switch (2) to "0" position or release the switch to make truck brake until it
