Assembly. To assemble the starter motor
assembly proceed as follows:
Soak bearings (30, 28, 21 and 16) in oil, per Military
Specification MIL-L-2104, or equivalent for at least one
half hour before assembly.
Clamp armature (26) in a V-vise or
equivalent. Coat threads on drive end of
armature (26) with a thick coating of grease
per Military Specification MIL-L 10294 or
If replaced, press bearing (30) into bearing
(29), slide bearing (29) over drive end shaft
of armature (26). Press bearing (21) into
pinion (20) and screw pinion (20) onto drive
end shaft of armature (26). Slide bearing
ring (11) onto armature (26) shaft and into
Fabricate a retaining ring expander tool as
illustrated in figure 6-18. Slide snap ring
(11) onto armature (26) shaft. Using
expander tool, push snap ring (11) onto
armature (24) shaft. See Figure 6-19.
Compress snap ring (11) into groove (30)
and work the ring (11) into bearing (11).
See Figure 6-20.
Figure 6-18. Snap Ring Expansion Tool
Figure 6-19. Assembling Snap Ring to Armature
Figure 6-20. Assembling Snap Ring and Retainer