Removal Of The Electric Motor; Inspection And Test Of The Motor Element; Inspection Of The Armature - Tomberlin E-MERGE 2007 Maintenance Manual

Removal of the electric motor

Remove the elec tric motor from the electric vehicle. Please re fe r to Chapter 9 "Removal o f Motor".
1. Before removal, first mark match marks on the end shield of the electric motor and the stator enclosure, and
then secure the electric motor to the pincer pliers with wooden block as shown (see Fig 12-2).
2. Unscrew the two bolts
3. Unscrew the two screws
4. Remove the armatu re
5. Unscrew the two screws
Mark the brush terminals（A1 and A2 ）
6.
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nut 6 , spring washer
the interior of the stator enclosure through the enclosure wall.
7. Carefully remove the brush set and terminals from the end shield.
8. To remove the brush spring
carrier. Then remove the spring from the installation buckle (see Fig 12-3).
Match
m ark
Fig 12-2 Electric motor compone nts

Inspection and test of the motor element

Inspection of the armature

Disassemble the electric motor and carefully inspect the armature for any of the following characteristics:
•
The insulating material is charred, carbo nized or ruptured
•
The paint coating is abnormally hardened
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8 securing the end shield
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9 securing the speed sensor
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17 from the other end of the stator enclosure
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11 securing the brush gear
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13 to indicate their positions in the end shield
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7 , small washer 3 and large washer
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14 from the gear, pry out the elongation portion o f the spring over the brush
Armature
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10 to the stator enclosure
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21 to the end shield enclosure.
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2 .
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12 to the end shield 10 (see Fig 12-7).
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5 （see Fig 12-7). Insert the terminal into
Fig 12-3 Remove the brush spring
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2 .
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10 . Then unscrew the
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