TM 10-4320-318-14
5-4. MAINTENANCE OF PUMP ASSEMBLY - (Cont)
Repair is accomplished by replacement of parts.
d. ASSEMBLE.
(1)
(2)
(3)
(4)
(5)
(6)
(7
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
Install pump casing (26) with socket head capscrews (25).
NOTE
The anti-seizing tape is to be wrapped in the same direction as the pipe threads.
Apply anti-seizing tape to plug (28) and reducer (29) in direction of threads.
Install reducer (29) into pump casing (26).
Install plug (28).
Lubricate and install the O-ring (24).
Install the wear plate (23) with screws (22).
Install key (21) onto shaft of engine (20).
Install shaft adapter (19) over key (21) and shaft of engine (20).
Position shaft seal (13) over shaft adapter (19) in following order: seal spring retainer (18), stator (17),
rotating seal (16), spring (15), and spring retainer (14).
Install impeller (10) onto adapter shaft (19). Check for clearance between impeller (10) and wear plate
(23). Remove impeller, add shims (11 and 12) as necessary for 0.016-0.020 inch (0.04 -0.05 mm)
clearance.
Install washer (9) and capscrew (8).
Lubricate and install O-ring (27) and pump casing cover (7).
Ensure TOP letters is at the top location and install pump casing cover (7) with lockwashers (6) and nuts
(5).
NOTE
The anti-seizing tape is to be wrapped in the same direction as the pipe threads.
Apply anti-seizing tape to pipe nipples (2 and 4) in the direction of threads.
Install nipple (4) into pump drain.
Install elbow (3), pipe nipple (2), and drain valve (1).
5 - 4
c . R E P A I R
