TM 10-4320-318-14
5-4. MAINTENANCE OF PUMP ASSEMBLY.
This task covers:
a. Disassemble
c. Repair
b. Inspect
d. Assemble
INITIAL SETUP
Tools
Equipment Conditions
General Mechanics Tool Kit
Engine and pump assembly is removed (para.4-20).
(Item 1, Appendix B)
Parts/Materials
Anti-seizing Tape
(Item 11, Appendix E)
O-Rings (TM 10-4320-318-24P)
Shims (TM 10-4320-318-24P)
Lockwashers (TM 10-4320-318-24P)
Lubricant (Item 7, Appendix E)
a.
DISASSEMBLE (Figure 5-1).
(1) Remove drain valve (l), pipe nipple (2), elbow (3) and nipple (4) from the pump drain.
(2) Remove nuts (5), lockwashers (6), and pump casing cover (7).
(3) Remove capscrew (8) and washer (9).
WARNING
Use care in removing impeller. Shaft and spring is under tension. Spring may
release tension causing injury to personnel.
(4) Unscrew impeller (10).
(5) Remove shims (11 and 12).
(6) Remove shaft seal (13) in following order: spring retainer (14), spring (15), rotating seal (16), stator (17),
and seal spring retainer (18).
(7) Remove adapter shaft (19) from shaft of engine (20).
(8) Remove key (21).
(9) Remove screws (22), wear plate (23), and O-ring (24).
(10) Remove socket head capscrews (25), and pump casing (26).
(11) Remove O-ring (27) from pump casing cover (7).
(12) Remove plug (28) and reducer (29).
5-2
