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 TM 55-1905-223-24-11
NOTE
Flush the pump with water and disinfectant before disposal or further handling.
g. Remove the pump from the motor as follows;
(1) Remove four bolts and washers (1, FIGURE 2-19) that hold the pump
adapter (2) to the motor.
(2) Loosen two bolts (4) and nuts and washers (6) on the shaft drive clamp (3) through the opening (7) in
the side of the adapter.
(3) Slide shaft sleeve (5) and adapter from the shaft of the motor. The pump is now free from the motor.
REPAIR
Repair to the discharge pump system is by replacing the centrifugal pump or by replacing the
system. Refer to the removal and replacement steps of this procedure.
REPLACEMENT
a. Mount the pump to the motor as follows:
(1) Make sure the shaft is clean.
(2) Insert the motor shaft through the adapter (2, FIGURE 2-19) and into the shaft sleeve (5). Maintain
pressure against the impeller shaft sleeve through the inlet opening in the pump until the drive clamp
bolts (4) are secure.
(3) Tighten two bolts (4) and nuts and washers (6) in the drive clamp assembly (3) through opening (7) in
the adapter (2). Tighten to 200 in-lb.
(4) Install four bolts and washers (1) that mount the adapter (2) and pump to the motor housing. Tighten
bolts to 34 ft-lb.
NOTE
The discharge pump system is now ready to be mounted on the sanitary unit.
b. Mount the pump and motor to its mounting plate on the sanitary unit with the four mounting screws (6,
c. Install the PVC inlet and outlet connections as follows:
2-69
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