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3-11.4.2.
Feed Pump.
a.
Clamp pump housing in vise, with protected jaws, so tappet opening is facing upward.
b.
Insert pushrod (32, FIGURE 3-7) and tappet (31) into housing.
c.
Install new retaining ring (30).
d. Turn pump housing over in vise.
e.
Install piston (29) and spring (28).
Install new gasket (27) and plug (26). Apply sealing compound (FORMAGASKET2) to threads and seating
f.
face of plug (26). Tighten plug 63 ft-lbs (86.4 Nm).
g.
Position pump housing so priming pump opening faces upward.
h.
Install both check valves (24) and springs (25) into pump housing.
i.
Install new preformed packing (23) and adapter (22) into housing. Tighten adapter 120 in-lbs (13.6 Nm).
Install new preformed packing (21) and priming pump (20) into pump housing. Using 15/16 in. crows foot
j.
wrench, tighten priming pump 32 ft-lbs (43.4 Nm).
FIGURE 3-27. Feed Pump Plug
ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
3-49
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