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 TM 55-1905-223-24-3
(1)
Visually check for signs of damage and replace actuator as necessary.
(2)
Discard old preformed packing (3, 4).
f.
Check the fuel pump body for signs of damage. If damaged, replace the fuel pump assembly.
ASSEMBLY
CAUTION
Handle aluminum parts with care to avoid damage.
Do not use a lockwasher next to aluminum. Always use a flat washer between the
lockwasher and the aluminum part.
a.
Install the fluid filter element assembly (8, Figure 3-20) into the top of the pump body. The hole in the screen
goes down.
(1)
Install the threaded plug (5) and tighten to 10 ft-lb (13.5 N.m) torque.
b.
Install the fuel pump gear assembly (Figure 3-19) and pressure dampener (Figure 3-18).
(1)
Use a new gasket (4, Figure 3-1 ) and install the pump gear assembly to the pump body (5,
NOTE
Align the notches on the top corner of the plate and cover.
(2)
Ensure the gasket (4, Figure 3-19) is positioned properly and that the housing (body) fuel holes align
with the holes in the pump gear assembly.
(3)
Install capscrews, lockwashers, and flat washers (3, Figure 3-19) and tighten to 12 ft-lb (16.5 N-m)
ly
disassemble gear pump and correct as required.
(4)
Use new preformed packing (6, Figure 3-18) and install the dampener to the gear pump. Tighten
mounting capscrews (1, 5) to 12 ft-lb (16.5 N.m) torque.
c.
Use petroleum jelly to hold new preformed packing (5, Figure 3-17) to the bottom of the shutoff valve. Install
the shutoff valve on the pump body. Tighten the capscrews (2) to 10 ft-lb (13.5 N-m) torque.
d.
Install the fuel pump electric governor actuator (2, Figure 3-20) in the p mp body.
u
3-48
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