StarEv AP48-04, Руководство пользователя и руководство по обслуживанию

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Troubleshooting for Motor
Warning:
Only a qualified electrician should change and adjust the carbon brush.
Symptoms Possible Causes
All copper plates turn
black
The pressure of brush is incorrect.
The commutator turns
black in a certain order
and in groups
Short circuit in the commutator or armature coil; poor welding or
disconnection between the commutators and the armature coil.
The commutator turns
black The central line of the commutator deviates or its surface is not
round and smooth.
The brush wears out, turns
colors and becomes broken
The motor vibrates; the clearance between the brush and its holder
is too big; the clearance between the brush and commutators is too
big; the brush is made by wrong materials; the brush is the wrong
type.
Sparks
The motor is overloaded; the commutators are not clean, round or
smooth; mica or some commutators extrude; the brush is not
ground properly; the brush is the wrong type; the brush is jammed
in the brush holder; the brush holder become loose or vibrating;
the polarity and sequence of magnetic poles is wrong.
The brush and its wires get
hot
Big sparks of the brush; poor contact between brush and soft wires.
The brush is noisy The surface of the commutators is not smooth.
Speed Controller Maintenance
The speed controller of the vehicle is wholly imported, which adopts high frequency MOS
technology to realize the control of speed, torque and brake with smoothness, silence, and high
energy efficiency.