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TM 10-4320-256-14&P
4-18. Pump Assembly.
This task covers:
a. Remove
b. Install
INITIAL SETUP
Tools:
Equipment Condition:
General Mechanic’s Tool Kit (Appendix B, Section Ill,
Fuel tank removed (para. 4-17).
Item 1)
Fuel line removed (para. 4-15).
Wrench, Torque (Appendix B, Section Ill, Item 2)
Puller Kit, Mechanical (Appendix B, Section Ill, Item 2)
Material/Parts:
O-ring (Appendix G)
LockWashers (Appendix G)
a. Remove. (figure 4-4)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Remove pump drain plug (1) and drain fuel from pump into suitable container.
Remove eight bolts (2) securing the pump housing (3) to the impeller housing (4).
Remove two nuts (5), two washers (6) and two bolts (7) securing the pump housing (3) to the
frame (9).
Pull the pump housing (3) and O-ring (8) from the frame (9).
Remove bolt (10) and washer (11) securing impeller (12) on pump shaft (13) and remove impeller (12),
spring (14), and key (15). Unless corroded, the impeller will slip off the shaft without using force.
Remove four bolts (16) and Iockwashers (17) securing impeller housing (4) to gasoline engine (18).
Using puller remove impeller housing (5) and seal (19).
4-12
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