TM 9-6115-668-13
4.37 PRIMING PUMP MAINTENANCE
This task covers:
a. Removal
b. Installation
General Mechanic’s Tool Kit
(item 2, appendix B)
Reference
Automotive Fuel and Electrical System Repair, Tool Kit
Generator Set 150 kW shut
(item 3, appendix B)
down,
paragraph 2.5.2
Sealing rings
1.
Open flap (2, figure 4-40) on unit hood assembly (1).
CAUTION
Place a container underneath the two step fuel filter set and priming
pump to collect fuel as It emerges.
After disconnecting, plug fuel lines and tie up.
2.
Using appropriate wrench hold nipple (7) and remove hollow screw (3) with sealing rings (4, 6) and
fuel supply line (5) from priming pump (10). Discard sealing rings (4, 6).
3.
Using appropriate wrench hold nipple (12) and disconnect hose fitting (13) and fuel return line (14)
located on priming pump (10).
4.
Remove two nuts (17), serrated lock washers (16) and washers (15) from screws (8).
5.
Remove nipple (12) and sealing ring (11) from priming pump (10) and discard sealing ring (11).
6.
Remove screws (8), washers (9) and priming pump (10) from angle rail (18).
1.
Install priming pump (10), screws (8) and washers (9) on angle rail (18).
2.
Install nuts (17), serrated lock washers (16) and washers (15) on screw (8).
3.
Install nipple (12) and new sealing ring (11) on priming pump (10).
4.
Install fuel return line (14) on nipple (12) and screw on hose fitting (13) and tighten.
5.
Install hollow screw (3), fuel supply line (5) and new sealing rings (4, 6) on priming pump (10).
6. Close flap (2).
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