5454
1.4 1.4 Drive Drive motormotor
Traction motor is three phase AC motor, maintenance free, but need check and cleanTraction motor is three phase AC motor, maintenance free, but need check and clean
periodically.periodically.
It needs dismantle motor wiring board when replace drive wheel. Tightening torque of lower nutIt needs dismantle motor wiring board when replace drive wheel. Tightening torque of lower nut
of wiring board is T=4.05of wiring board is T=4.05～～4.95N.m, while the upper nut is T=10.24.95N.m, while the upper nut is T=10.2～～12.4N.m. When fastening12.4N.m. When fastening
the upper nut, lock the the upper nut, lock the lower nut to avoid looseness.lower nut to avoid looseness.
Motor use noticeMotor use notice
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Keep clean and dry around the motor, place no other material on its inner or outer.Keep clean and dry around the motor, place no other material on its inner or outer.
––
It’s prohibited to use with oIt’s prohibited to use with o
verload.verload.
–– It’s prohibited to coexist with strong magnetic object.It’s prohibited to coexist with strong magnetic object.
––
Make sure the correct of Make sure the correct of input voltage grade.input voltage grade.
–– If there is abnormal odor in use, park to check immediately.If there is abnormal odor in use, park to check immediately.
–– The cabling between motor and controller should be as short as The cabling between motor and controller should be as short as possible.possible.
––
During motor travelling, if there happen electric leakage, speed drops suddenly, severelyDuring motor travelling, if there happen electric leakage, speed drops suddenly, severely
vibrate, too hot with smoke, or electric contact sparking smoke, turn off the powervibrate, too hot with smoke, or electric contact sparking smoke, turn off the power
immediately for check.immediately for check.
––
Often check if the motor Often check if the motor over heats.over heats.
–– Often check motor wiring contact Often check motor wiring contact screw for looseness, sparking smoke or screw for looseness, sparking smoke or insulation aging.insulation aging.
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