1) Inspect the overrunning clutch gear teeth for the following.
2) Turn the overrunning clutch pinion by hand and inspect for the following.
Note
3) Inspect the internal gear for the following.
Note
4) Inspect the shift lever for the following.
Note
Legend
1) Make sure there is no short circuit inside the armature coil using a growler tester.
2) Measure the runout of the commutator using a dial gauge.
Note
Limit: 0.05 mm { 0.00197 in }
3) Measure the depth of the mica section of the commutator.
Note
Limit: 0.2 mm { 0.008 in }
Legend
Legend
a. Mica segment depth
4) Measure the outer diameter of the commutator using a vernier caliper.
Standard: 29.0 mm { 1.142 in }
Limit: 28.0 mm { 1.102 in }
Note
5) Apply the probe to the commutator section and armature core, and inspect for poor insulation at the armature using a DMM.
Note
6) Apply the probe to the 2 commutator sections, and inspect for continuity at the armature using a DMM.
Note
1) Measure the brush length of the 4 brushes using a vernier caliper.
Caution
Limit: 7 mm { 0.28 in }
2) Apply the probe to the holder plate and positive brush holder, and inspect for poor insulation at the brush holder using a DMM.