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TM 5-4320-306-24
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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