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TM 5-4320-313-14
5-4. PUMP ASSEMBLY - Continued.
Pump assembly cannot be removed as a assembly. Pump assembly must be disassembled for removal
Failure to observe this caution can result in damage to the pump assembly.
a. Disassembly. (Refer to figure 5-1).
(1) Place a suitable container under pump assembly. Remove plug (1) and drain pump housing.
(2) Remove two nuts (2), two lockwashers (3), and two screws (4).
(3) Remove eight screws (5) and housing (6). Remove plug (7) and connectors (8 and 9) from housing (6).
(4) Remove diffuser assembly (10) from impeller assembly.
Do not pry on impeller assembly during removal, otherwise damage to impeller assembly may result.
(5) Remove screw (11), washer (12), and impeller assembly (13) from shaft (20).
(6) Remove shim (14), seal (15), and keys (16).
(7) Remove four screws (17), packing (18), and backhead (19).
(8) Use a puller and remove shaft (20) and key (21).
(9) Remove inserts (22) from housing if damaged.
b. Cleaning.
Do not breathe cleaning solvent P-D-680 vapors for long periods of time or use solvent near open flames
To avoid illness, explosion, or fire, only use solvent in well-ventilated areas away from open flames.
(1) Clean all parts using a rag and cleaning solvent.
(2) Allow to dry.
5-6
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