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TM 5-4320-305-24
2-32. REPLACE FUEL FEED PUMP(Continued)
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.
3 Using diesel fuel oil and a soft-bristled brush, clean strainer (6), cover (4), and bolt (2). Dry with low pressure
compressed air. 4 If deposits in strainer cannot be removed, discard strainer. 5 Press feed pump primer lever
(7) and check operation of feed pump diaphragm. Check diaphragm for leaks. 6 If diaphragm leaks, replace fuel
feed pump (2).
REMOVAL:
1
Remove nuts (8) and lockwashers (9). 2 Remove and discard gasket (10). 3 Remove fuel feed pump.
INSTALLATION:
1 Install new gasket (10) and fuel feed pump (2).
2
Install nuts (8) and lockwashers (9). Tighten nuts securely.
3 Install strainer (6) onto fuel feed pump (2).
4 Place gasket (5) onto sealing surface of pump.
5 Install bolt (1) through washer (3) and cover (4).
6 Place cover over gasket (5) and strainer (6).
7 Mate cover to fuel feed pump (2). Thread bolt into pump.
8 Start engine and observe fuel feed pump for leaks.
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