149
9
MOTOR
<Resistance>
Tool
Specific resistance
Megger
0.5 M or greater (DC500V)
l
Measure the insulation between terminals and stator
comp. with the Megger.
<Measuring procedure>
1. Apply the earth probe (negative [-]) of the Megger to
the stator comp.
2. Apply the line probe (positive [+]) of the Megger to
each terminal. (U, V and W)
2210150
Stator comp.
Terminal
l
Inspection of insulation
Inspection of insulation
4
2
l
Measure the insulation between terminals in the
connector and the end cover with the Megger.
<Measuring procedure>
1. Apply the earth probe (negative [-]) of the Megger to
the yoke.
2. Apply the line probe (positive [+]) of the Megger to
each terminal of connector plug.
152W225
l
Inspection of insulation
Inspection of insulation
2
l
Inspect with the following procedure after assembling.
<
Checking procedure
>
1. Be sure to secure EPS motor ass'y on a work bench.
2. Apply 1/4 voltage of the battery (about 12V) to carry out testing.
3. Connect wires as follows.
1) Connect (GREEN or WHITE) wire to the positive (+)
terminal of the battery.
2) Connect (YELLOW or BLACK) wire to the negative (-)
terminal of the battery.
l
Operate the motor. Then make sure that abnormal
noise is not heard and sparks of brushes are not seen.
Abnormal noise and spark
4
1
9-3-5. Motor ASS'Y (EPS motor) - inspection
If the motor is tested by itself, fix the motor on
a work bench securely. The motor may move
suddenly when starting.
Test the motor with the slow speed.
CAUTION
Connector
End cover
Megger
<Resistance>
Tool
Specific resistance
Megger
0.1 M or greater (DC500V)
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