STARTER MOTOR TESTING (CONT)
(Sheet 6 of 6)
13. Commutator resurfacing
Finish commutator by rotating in a lathe
at 1500 rpm and polishing with no. 0/2
14. Brush holder assembly
Check brush spring tension with a suitable
If one brush or spring is found defective, replace
spring scale. It should not read less than
the entire set with a brush kit.
Check for cracks or extremely worn parts.
Brush should be at least 1/2" in length.
15. Frame (commutator end)
If sleeve inside diameter is not 0.6860-
Use a press for replacement.
0.6880 in. (17.4244-17.4752 mm) it
must be replaced.