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 TM 55-1905-223-24-12
MAINTENANCE OF FIRE PUMP SUBSYSTEM
4-11. Repair Fire Pump Subsystem.
This task covers: a. Disassembly, b. Repair, c. Assembly, d. Replace.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Refer to the following paragraphs in
this maintenance manual.
Lifting sling P/N 3375957
Auxiliary fire pump removed, (para.
Bearing puller P/N 5120-00-288-7710
Flexible shaft coupling removed,
Materials/Parts
Centrifugal pump unit removed, (para.
Shaft sleeve P/N 2677382
Alternating current motor removed,
Preformed packing P/N 2673291
Preformed packing P/N 2669940
Centrifugal pump removed, (para. 2-
24).
Preformed packing P/N 2669942
Casket P/N 2669833
Impeller P/N 2669112
Ball bearing P/N 2669989
Ball bearing P/N 1104454
Casket P/N 40F76Y56-70930
Annular ball bearing
P/N 40F76Y56-72053
Thrust washer bearing
P/N 40F76Y56-72013
Stator Motor P/N 40F76Y56-71000
Rotor P/N 40F76Y56-70520
Shouldered shaft
P/N 40F76Y56-70510
Machine key P/N 40F76Y56-70660
Annual ball bearing P/N 40F76Y56-
72054
Thrust washer bearing P/N 4OF76Y56-
72014
Machine key P/N 871-60836-4-911-0
Seal assembly P/N 871-60836-6-400-0
Preformed 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
Graphite, Item 10, Appendix C
Cleaning solvent, Item 2, Appendix C
4-6
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