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TM 55-1905-223-24-12
4-15. Repair Centrifugal Pump. (FIGURE 4-3)
This task covers: a. Disassembly, b. Repair, c. Assembly.
Equipment Condition
Tool kit, general mechanic's
Refer to the following paragraph in
this maintenance manual.
Dial indicator P/N 5120-00-277-8840
Centrifugal pump removed, (para. 2-24).
Centrifugal Pump Impeller P/N
Machine key P/N 871-60836-4-911-0
Seal assembly P/N 871-60836-6-400-0
Performed packing P/N 871-60836-2-914-0
Tube assembly P/N 871-60836-1-652-0
Wearing ring P/N 871-60836-4-004-5
Wearing ring P/N 871-60836-4-004-6
Lubricating sealant, Item 6, Appendix C
Cleaning solvent, Item 2, Appendix C
Non-metallic brush, Item 7, Appendix C
a. Hold impeller (25) by the outside diameter.
b. Remove impeller nut (27) by turning the nut counterclockwise as viewed
from the suction inlet (7).
c. Pull impeller (25) from the shaft and remove the impeller machine key
d. Remove spacer sleeve (22).
e. Remove two nuts holding the gland (19) to the stuffing box.
f. Remove capscrews holding the stuffing box cover (32) to the motor
adapter (9).
g. Remove pipe plug (33) from stuffing box pipe tops.
h. Pull stuffing box cover (32) off the shaft assembly.


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