TM 9-2350-287-20-1
4-8. ENGINE-DRIVEN FUEL PUMP RELIEF VALVE REPLACEMENT.
This Task Covers:
a. Removal
b. Cleaning and Inspection
c. Installation
Initial Setup:
Tools/Test Equipment:
• Gasket (Item 384, Appendix H)
• General mechanic’s tool kit
(Item 24, Appendix I)
Equipment Conditions:
• Vehicle parked on level ground (refer to
Materials/Parts:
TM 9-2350-287-10).
• Drycleaning solvent (Item 28, Appendix D)
• Engine-driven fuel pump removed (para 4-7).
a.
REMOVAL
Remove plug (7), gasket (6), pin (5), spring (4), and valve (3) from engine-driven fuel pump (1). Discard
gasket.
b.
CLEANING AND INSPECTION
WARNING
Drycleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated ares. Avoid contact with skin, eyes, and
clothes, and DO NOT use near open flame or excessive heat.
1.
Clean all parts with drycleaning solvent.
2.
Inspect parts for wear, deformities, or breaks. Replace defective parts.
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with chip guarding and personal protective equipment (goggles/shield, gloves, etc.).
3.
Blow out engine-driven fuel pump cavity port (2) with compressed air.
c.
INSTALLATION
Install valve (3), spring (4), pin (5), new gasket
(6), and plug (7) in engine-driven fuel pump (1).
FOLLOW-ON MAINTENANCE:
• Install engine-driven fuel pump (para 4-7).
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