3-61. FUEL PUMP FRONT COVER AND GOVERNOR REPAIR (Contd)
e. Assembly (M915A1/Big Cam)
20. Bushing (6) and gear (7)
a. Install bushing on
tachometer drive shaft (2).
b. Put a 0.004 in. (0.101 mm)
feeler gauge on top of bushing (6).
c. Press gear onto tachometer
There should be 0.002-0.005 in.
drive shaft (2).
(0.050-0.127 mm) clearance
between bushing (6) and gear (7).
21. Shaft (2), bushing (6),
a. Line up oil groove in top of
and gear (7) (assembled)
bushing (6) with fuel pump drive
b. Press into cover assembly (8)
until bushing (6) bottoms.
22. Tachometer drive spacer (5)
Install on top of tachometer drive
Spacer (5) must bottom on
bushing (6) with slotted edge
23. Tachometer drive seal (4)
Using front cover tachometer
Front cover tachometer seal
seal driver (36), install with spring
driver (36) is part of front cover
and main shaft assembly tool kit
24. Tachometer drive housing
Screw into cover assembly (8).
Do not overtighten housing. This
will compress tachometer drive
spacer (5) too much and will
reduce its effectiveness.
25. Fuel pump drive gear (12)
Using main shaft gear and
Use front cover and main shaft
bearing installation tool (35),
assembly tool kit (3375175). Flat
press onto fuel pump drive shaft
side of gear should face away from
(20) until against bearing (10).
26. Fuel pump drive coupling
a. Lubricate fuel pump drive
shaft (20) and bore of coupling.
b. Press onto fuel pump drive shaft
(20) until against fuel pump drive