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TM 10-4320-256-14&P
5-5. Pump Assembly.
This task covers:
a. Disassembly
d. Repair
b. Cleaning
e. Reassembly
c. Inspection
lNITIAL SETUP
Tools:
Equipment Condition:
General Mechanics Tool Kit (Appendix B, Section Ill,
Pump removed from frame (para. 4-18).
Item 1)
3 Fingered Bearing Puller (Appendix B, Section Ill,
item 2)
Matetial Pads:
Rags, Wiping (Item 3, Appendix E)
solvent, Dry Cleaning (Item 5, Appendix E)
a. Disassembly (Figure 5-1)
NOTE
Pump components have been partially disassembled in the removal operation. Refer to
figure 5-1 to complete the disassembly of the pump.
(1)
(2)
(3)
(4)
(5)
(6)
Remove dust cap (1), gasket (2) and coupling (3).
Remove dust cap (4), gasket (5) and coupling (6).
Remove priming plug (7), inserts (8) and drain plug (9) from the pump housing (10).
Remove diffuser gasket (11), dowel pin (12), setscrew (13) and separate the wear ring (14) from the
diffuser (15).
Disassemble the impeller by removing three setscrews (16) and separate wear ring (17) from the
impeller (18).
Remove the pump shaft (19) from the engine shaft (20) with a three-fingered bearing puller. Retain shaft
key (21).
5-2
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