TM 5-3810-289-34
throttle shaft and tighten securely.
(8) Governor plunger. Lubricate and install
the plunger into barrel, figure 3-30. Make sure plunger is
correct fit and correct number if replaced. Remark
governor barrel if oversize plunger is used, so size of
barrel and plunger correspond.
(9) Drive cover assembly.
(a) Place a new gasket over the drive
housing cover dowel pins.
(b) Place the assist plunger in the weight
shaft bore with spring and shims.
(c) Hold the governor weights in to hold the
assist plunger while assembling cover to housing,
meshing the tachometer gears, figure 3-31. Position
plunger drive tang horizontally-position weight carrier
horizontally.
Figure 3-28. Throttle shaft O-ring installation.
Note. The weights straddle the governor plunger
driver.
(d) Assemble the capscrews, flat washers
and lockwashers securing cover to housing and torque to
90/95 inch pounds.
(10) Shutdown valve.
(a) Put grease on the O-ring and install the
shutdown valve on top the fuel pump housing.
(b) Secure with capscrews, lockwashers
and flatwashers.
(11) Pulsation damper.
(a) Put grease on O-ring and install damper
to the gear pump.
(b) Secure with capscrews, lockwashers
and flatwashers.
(12) Refer to table 2-2, L, R, and T for fuel
Figure 3-29. Snap ring installation.
pump test specifications.
e. Installation.
(1)
Mount pump and new gasket to
compressor with buffer, figure 3-32, or to accessory drive
flange with splined coupling.
(2)
Install lockwashers and capscrews;
tighten mounting capscrews.
(3) Install No. 10 fuel inlet hose to fuel
pump.
(4) Install fuel pump bypass or fuel coolant
line.
f. Adjustment.
(1) General. Before making fuel system
checks or adjustments on engine be sure the following
rules are observed:
(a) Engine is at operating temperature.
(b)
Injectors are correct part number,
functionally satisfactory, flowed to specifications and
properly adjusted in engine.
Figure 3-30. Governor plunger, installation.
(c) Camshaft is as specified for engine and
particular pump calibration and is in good condition.
Caution: Counter bored port on throttle must
(d) Pistons in use are those specified for the
go down.
particular pump calibration specifications.
(c) Install the snap ring and lock in the
groove in front of the nameplate, figure 3-29.
(7) Throttle lever. Install the throttle lever on
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