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TM 55-1930-208-24
3-11. CRANKING MOTOR- Continued.
a. Disassembly. (Refer to figure 3-9).
(1) Clamp cranking motor in a vise.
(2) Remove four screws (1), four lockwashers (2), and remove housing (3) and flange (4).
(3) Remove two screws (5) and plate (6).
(4) Insert a flat tip screwdriver in housing opening and move anchor plate of starting drive (8) toward the
pinion gear to uncover setscrew (7).  Loosen setscrew (7) and slide starting drive (8) off shaft (21).
Remove two keys (9) from shaft.
NOTE
Before removing port plate (12), use a small punch and put indexing mark on port plate and housing.
(5) Remove eight screws (10), eight lockwashers (11), and port plate (12).
(6) Remove barrel assembly (13) front shaft (21). Remove pistons (14) from barrel assembly (13).
(7) Using retaining ring pliers, remove retaining ring (15) and spring (16) from barrel assembly (13).
(8) Using retaining ring pliers, remove retaining ring (17), seal (18), seal (19), and seal (20). Discard all seals.
(9) Place housing and shaft in an arbor press and press shaft (21) out of housing (22) from port plate end.
(10) Remove seal holder (23) from shaft (21). Remove spiral ring (24) and press bearing (25) from shaft (21).
(11) Place housing in an arbor press and press needle bearing (26) from housing (3).
CAUTION
Do not apply excessive heat, damage to port plate will occur.
(12) Apply even heat to port plate (12). Jar port plate (12) against a wooden block, needle bearing (27) will fall
out.
CAUTION
Do not apply excessive heat, or damage to housing will occur.
3-20

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