DISASSEMBLY--BOWL ASSEMBLY

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DISASSEMBLY--PUMP AND MACERATOR ASSEMBLY

TM-55-1905-242-14 Landing Craft Mechanized (LCM-8) (All Vessels with Mod 2 Applications) (ROHR Models) NSN 1905-01-465-7599 (EIC DWD) Manual

WATER CLOSET FLUSHING SYSTEM, REPAIR

TM 55-1905-242-14

0155 00

ASSEMBLY--PUMP AND MACERATOR ASSEMBLY (continued)

Position the impeller (12) on the pump motor shaft (15), leaving a 1/8 inch (3 mm) gap between the impeller and the

wearplate (19). Secure the impeller with the impeller set screw (14).

Place the macerator housing (13) over the pump motor shaft (15) and impeller (12).

Screw the chopper plate (11) onto the pump motor shaft (15) and tighten.

10. Install the O-ring (25) in its groove on the plastic wearplate (19).

11. Line up the slot in the base (9) with the key on the macerator housing (13) and slide the pump assembly into the base (9).

12. Secure the pump assembly to the base (9) with the four bolts (5) and the four lockwashers (6).

13. Plug in the pump motor (1).

14. Remove the lockouts and tagouts and check that the pump spins freely.

15. Attach the discharge port (8) and joker valve (10) to the base (9) using the three screws (7).

16. Connect the hose (3) to the discharge side of the displacement pump (4).

17. Connect the inlet hose to the inlet fitting (2).

DISASSEMBLY--BOWL ASSEMBLY

Disconnect the hose from the inlet elbow (26).

Pull the inlet elbow (26) free from the bowl spud (27) using a twisting motion.

Unscrew the bowl spud retaining nut (28) and remove the bowl spud (27) from the bowl (29).

Remove the nuts (30) and lockwashers (31) that secure the seat and cover (32) to the bowl (29).

Remove the caps (33), nuts (34), stainless washers (35), plastic washers (36), and bolts (37) that attach the bowl (29) to

the base (9).

Inspect all of the parts for wear or damage.

ASSEMBLY--BOWL ASSEMBLY

Procure new parts as necessary determined by the inspection done during disassembly.

Install a new gasket (38) on the base (9) and secure the bowl (29) to the base with the bolts (37), plastic washers (36),

stainless washers (35), nuts (34), and caps (33).

Assemble the bowl spud (27) to the bowl (29) and secure it with the retaining nut (28).

Install the inlet elbow (26) and new O-ring (25) over the bowl spud (27) using a twisting motion.

Connect the hose to the inlet elbow (26).

Remove the lockouts and tagouts and check the operation of the system, watching for any signs of leakage.

END OF WORK PACKAGE

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