TM 5-4930-244-14
5-2. TRANSFER PUMP - REPAIR.
This Task Covers:
a.
Disassembly
b.
Repair
c.
Assembly
Initial Setup:
Tools Required
Tool Kit, General Mechanic's: Automotive (Appendix B, Section III, Item 1).
Materials/Parts Required
Pin, Cotter (Appendix H, Section II, Item 3).
Block, "V" Packing (Appendix H, Section II, Item 12).
O-Ring (Appendix H, Section II, Item 13 and 14).
Packing Set (Appendix H, Section II, Item 15).
Teflon Tape (Appendix E, Section II, Item 7).
Equipment Condition
Transfer Pump removed from unit (para. 4-19).
a. Disassembly. (Refer to Figure 5-2).
(1)
Remove quick-disconnect nipple (1) from ball valve (2).
(2)
Remove ball valve (2) from power head assembly (3).
(3)
Remove hex-head bushing (4) from pump casting (5).
NOTE
Some precision parts may be clamped into a vise, it is recommended that the vise
be equipped with non-destruct jaws.
(4)
Grip the pump casting (5) in a vise by clamping to the flat parts on the outlet body of the pump casting (5).
(5)
Loosen and remove jam nut (6) and bung adapter (7) from cylinder (8).
(6)
Remove aluminum gasket (9) from pump casting (5).
(7)
Unscrew power head assembly (3) from pump casting (5) to expose cotter pin (10).
(8)
Remove cotter pin (10) releasing piston assembly (11).
(9)
Remove o-ring (12) and packing screw (13) and packing set (14) from pump casting (5). Discard o-ring (12) and
packing set (14).
5-4
