TM 5-4310-452-14
4-22. METERING FUEL PUMP MAINTENANCE (CON'T).
a.
REMOVAL
1.
Remove fluid passage bolt (5), 3 washers (4), and 2
hoses (6) from metering fuel pump (3).
NOTE
Fluid passage bolt includes an
internal check valve.
2.
Remove fluid passage bolt (8), 3 washers (7), and 2
hoses (9) from metering fuel pump (3).
3.
Remove 3 nuts (10) and lockwashers (11) from
metering fuel pump (3). Remove metering fuel
pump and gasket (2) from injection pump drive
assembly (1). Discard gasket and lockwashers.
b.
DISASSEMBLY
1.
Remove capscrew (12) and washer (13) from metering fuel pump (3).
2.
Remove cover (14), preformed packing (15), and strainer (16) from metering fuel pump (3). Discard
preformed packing.
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive
heat. The solvent's flash point is 100°F-130°F (38°C-59°C). If you become dizzy
while using cleaning solvent, immediately get fresh air and medical help. If solvent
contacts eyes, immediately wash your eyes and get medical aid.
3.
Clean strainer (16) with dry cleaning solvent and a brush. Dry strainer with a rag.
TA505439
4-40
