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 TM 9-2815-226-34-2
CAUTION
DO NOT OVERTIGHTEN HOUSING.
EXCESS PRESSURE ON SPACER CAN
FLATTEN SPACER WHICH WILL DESTROY ITS EFFECTIVENESS.
(16)
Screw tachometer drive housing into front cover assembly and torque housing to 35 - 45 ft lbs (47 - 61
Nm).
(17)
Install coupling key on fuel pump drive shaft.
(18)
Position tachometer drive gear on fuel pump drive shaft. Make sure drive gear teeth mate with driven
gear teeth.
(19)
Position pump drive coupling behind tachometer drive gear and aline with coupling key.
(20)
Carefully press coupling onto fuel pump drive shaft.
(21)
Secure fuel pump drive coupling with flat washer and capscrew.
(22)
Secure coupling in copper-jawed vise and torque capscrew to 5 ft lbs (7 N m).
(23)
Coat governor bushing with high pressure lubricant and press bushing into front cover assembly. Be
sure bushing is fully seated.
(24)
Slide governor assembly into governor bushing.
(25)
Rotate governor with weights open to be sure governor turns freely in bushing.
NOTE
Use enough shims between weight assist plunger and spring to make plunger tip
protrude above gasket surface of front cover assembly.
(26)
Install weight assist plunger, shims, and new spring (part no. 143847) between governor weights and into
bore of governor assembly. Be sure weight assist plunger is installed with smallest end facing governor
weights.
3-312
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