STARTER DRIVE MECHANISM REPAIR
6. Measure outside diameter (A) of idler shaft (12). Replace shaft if not within specifications in
the following table.
7. Measure inside diameter (B) of idler spur gear (9). Replace spur gear if not within
specifications in the following table.
8. Inspect bearing (22).
a. Look for broken, cracked or split rings, cracked, broken or loose separators, heat
discoloration (brown-blue or blue-black color). Rotate the free race slowly and feel for
roughness. If any of these conditions exists, the bearing must be replaced.
b. New bearing dimensions, inside (C) and outside (D), are provided for information
purposes only; you need not perform the measurements.
Sizes and Fit of New Parts
A (idler shaft)
B (gear bore)
C (inside bearing)
D (outside bearing)
WP 0157 00-8