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TM 10-4930-250-13&P
4.8.11 CLEANAND REPLACEAUXILIARYPUMPINLETCOMPONENTS.(Referto figure4-12.)
This task consists of.
a. Disassembly
b. Inspection
c. Assembly
INITIAL
SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanic Automotive
Gasket, Inlet Flange (Appendix 1, Item 9)
(Appendix B, Section III, Item 1)
Chemical and Oil Protective Gloves
(Appendix B, Section III, Item 2)
General Safety Requirements:
Equipment Condition:
Auxiliary
Pump Module removed from system.
WARNING
(para. 2.7)
Fuels are toxic and flammable. Do not get on person
or clothing. Work in well ventilated area. Do not
smoke. Ensure equipment is well grounded.
Death or personal injury may result from the explosion of fuel fumes exposed to an open
flame or spark, or to static discharge. Do not permit smoking, any open flame, or spark
producing equipment within fifty (50) feet (15.24 in) of the auxiliary pump during repair.
NOTE
This procedure assumesthat the auxiliary pump has been defueled. However, some
residual fuel may remain due to normal drainage after deftieling.
Inspect all components as they are disassembled. Repair is limited to replacement of
unserviceable components discovered during disassembly.
a.
Disassembly
and Inspection.
(1)Remove the four bolts (1) that attach inlet flange (2) to pump housing (3).
(2)Remove and discard inlet flange gasket (4).
(3)Remove and clean inlet screen (5).
(4)Remove inlet check valve (6) from pump housing (3).
(5)Operate the check valve (6) by hand to ensure freedom of movement. Inspect for wear or damage. If the check
valve (6) is worn or damaged or does not move freely, replace the check valve (6).
4-30
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