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TM 5-4320-305-24
3-14. REPAIR FUEL FEED PUMP (Continued)
INSPECTION/REPAIR:
WARNING
Death or serious injury could occur if diesel fuel oil is not handled carefully. Use
in a well-ventilated area away from open flame, arcing equipment, ignition
sources, heaters, or excessive heat. Always store fuel in proper, marked
containers. DO NOT SMOKE.
Death or serious injury could occur if compressed air is directed against the skin.
Do not use compressed air for cleaning or drying unless the pressure is/has been
reduced to 30 psi (2. 11 kgcm2) or less. When working with compressed air
always use chip guards, eye protection, and other personal protective equipment.
1
Clean all parts except gasket in clean diesel fuel oil and dry with low pressure compressed air.
2
Inspect mating surfaces of cover and pump body parts for roughness or other damage. Scratches or
other damage may result in pressure leaks. Also check for wear at contact areas. Replace pump body or
cover if necessary.
3
All parts must be free from score marks and burrs and must fit together tightly. If scored or burred,
clean with emery cloth or crocus cloth. If parts are not repairable, replace.
ASSEMBLY:
1
Install diaphragm assembly (8) on pump body (9).
2
Install pump top (7) on diaphragm assembly (8).
3
Install screws (6) hand tight. Move cam lever (10) to
compress diaphragm spring.
4
Tighten screws (6).
5
Install strainer (5).
6
Lubricate gasket (4) with a very thin coat of lubricating
oil, and install.
7
Install bolt (1), washer (2), and cover (3).
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