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 TM 9-2815-226-34-2
3-82. FUEL PUMP FRONT COVER ASSEMBLY AND GOVERNOR REPAIR
a. Remove front cover assembly (para. 3-77).
b. Disassemble fuel pump front cover assembly and governor.
CAUTION
BE VERY CAREFUL WHEN REMOVING WEIGHT ASSIST PLUNGER. A SLIGHT
NICK CAN CAUSE EXTENSIVE DAMAGE. AFTER REMOVING, PLACE PLUNGER
WHERE IT WILL NOT BE DAMAGED.
(1) Check governor assembly shaft for excessive wear before removing from front cover assembly. Shaft has
excessive wear if it can be moved from side to side in its bushing. Discard governor assembly and bushing
if worn excessively.
(2) Check gear backlash between governor assembly gear and fuel pump drive gear. Normal backlash is
0.005 0.009 in. (0.127 0.228 mm). Discard governor assembly and fuel pump drive gear if backlash is more
than 0.009 in. (0.228 mm).
3-306
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