3-62. FUEL PUMP MAIN HOUSING REPAIR (Contd)
c. Inspection and Repair (Contd)
Governor barrel (42) (Contd)
(8) Scribe a centerline on new
This mark is used to line up fuel
governor barrel (42) and housing
passages so fuel flow will not
(38) as shown in figures A and B.
have any restrictions.
(9) Heat housing (38) in oven to
(10) Apply a thin coat of high-
pressure lubricant on new
governor barrel (42).
(11) Place spring pack housing
(41) into housing (38).
(12) Place governor barrel (42) in
Line up location scribe marks on
bore of housing (38) with chamfered
barrel (42) and governor housing
end first and location pin on
(13) Press into housing (38) using
Ensure retaining pin holes of
an arbor press if necessary, until
barrel (42) and housing (38) are
it bottoms against spring pack
(14) Using governor barrel
Use lock-clip driver (3376136).
lock-clip driver (61), install roll
Slot of roll pin (39) must be
pin (39) with ST-853 driver
toward front of housing (38).
through plug hole in bottom of
housing (38) with the slot of the
pin to front of housing.
a. Inspect for damage or wear.
If governor plunger (36) outside
If only the thrust washer is worn,
diameter is worn, replace it with a
drive retainer from end of plunger
new plunger of the same class
assembly (33) and pull the governor
size as etched on barrel face.
plunger drive from the plunger
Replace damaged or worn plunger
assembly (33). If it is necessary to
remove the stop sleeve, press the
stop sleeve off the shaft.
b. Selecting a new class size
Select a new class 2 (green color
plunger (36). See chart.
code) plunger and attempt to fit it
in the barrel; if plunger enters, try a
class 3 (yellow). Keep trying larger
sizes until one will not fit, then
select a plunger two sizes smaller.
The plunger must drop into the bore
of its own weight. Remark governor
barrel with the new class size of the
Inspect throttle shaft sleeve in
Discard housing (38) if throttle
shaft housing (38) for damage.
sleeve is damaged.
a. Inspect for damage.
If damaged, do step 32b.
b. Remove two drive screws (24)
and discard nameplate (23).
c. Install new nameplate (23)
Be sure to transfer information
and drive screws (24).
from damaged nameplate (23)
to new nameplate.