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MOTOR (MODELS EJ4-4001 AND EJ8-4001A)
Motor Assembly
2008-2011 IQ System Electric Vehicle Maintenance and Service Supplement
Page 16b-13
16B
2.5. One at a time, push the brushes back until they are completely retracted into their mounting slots
and the spring pressure holds them in the retracted position as shown
3. With the brushes retracted, use an arbor press to press the armature shaft into the end cap bearing
.
See following CAUTION.
CAUTION
• Make sure the brushes are held back. Do not allow the brushes to support the weight of the
commutator. The brushes can be easily damaged by this weight.
4. Gently press each brush with a small screwdriver until the spring rests on the end of each brush as shown
.
5. Align the match marks on the end cap and the motor frame (1) and secure with two bolts (16)
. Tighten bolts to 130 in-lb (14.7 N·m).
6. Install the speed sensor magnet (24) with screw (23). Tighten to 65 in-lb (7.3 N·m).
7. Install the speed sensor (10) with screws (25). Tighten to 20 in-lb (2.3 N·m).
8. Make sure the armature turns freely. If it does not turn freely, disassemble the motor to find the problem.
Figure 16b-16 Brush Rigging
Figure 16b-17 Retracted Brushes
Figure 16b-18 Armature Installation
Figure 16b-19 Brush Setting