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 TM 55-1905-223-24-12
MAINTENANCE OF FIRE PUMP SUBSYSTEM
3-11. Replace Fire Pump Subsystem.
This task covers: a. Removal, b. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, bowthruster
diesel
engine shutdown, tagged "Out of
Lifting sling P/N 3375957
Service, Do not Operate '"
Power shut off to centrifugal pump
unit,
Materials/Parts
tagged "Out of Service, Do not
Operate."
Pump assembly P/N 4-AD-18.5
Pump/motor assembly P/N 2000
Motor assembly P/N 284JP
Pump assembly P/N 3X2X9F
Flexible shaft coupling P/N 1070T10
Out of service tags, Item 13, Appendix C
Rags, Item 5, Appendix C
Lubricating grease, Item 3, Appendix C
Emery cloth, Item 11, Appendix C
0.125 inch spacer bar, Item 12,
Straight edge, Item 14, Appendix C
Casket material, Item 1, Appendix C
Cleaning solvent, Item 2, Appendix C
Lubricating sealant, Item 6, Appendix C
REMOVAL
a. Remove auxiliary fire pump assembly per paragraph 3-13.
b. Remove flexible shaft coupling per paragraph 2-18.
c.
Remove centrifugal (main fire) pump unit per paragraph 3-14.
d. Remove alternating current motor per paragraph 3-16.
e. Remove the centrifugal pump per paragraph 2-24.
3-5
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