TM 5-4220-227-14
6-16. Pump Assembly (Cont).
b.
Repair. (figure 6-31)
(1) Remove pump assembly (para. a. above).
(2) Remove seven screws (1) and washer (2) that secures cover (3), pump housing (4), and remove cover.
(3) Remove preformed packing (5) ceramic thrust washer (6) from housing (4).
(4) Remove impeller-magnet assembly (7) from housing (4) and remove spindle (8).
(5) Remove drive magnet assembly (9) from motor bracket (10).
(6) Remove four nuts (11) and lockwashers (12), and remove motor bracket (10) from motor (13).
(7) Clean all components using nonionic detergent cleaner and rinse with clean distilled water.
(8) Inspect all components and replace any components that are bent, cracked, worn, or otherwise damaged.
(9) Install motor bracket (10) on motor (13) and secure with four lockwashers (12) and nuts (11).
(10) Install drive magnet assembly (9) in motor bracket (10).
(11) Install spindle (8) into impeller-magnet assembly (7) and install into housing (4).
(12) Install ceramic thrust washer (6) and preformed packing (5) into housing (4).
(13) Install housing (4) and secure with seven screws (1) and washers (2).
(14) Install pump assembly (para. a. above).
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