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TM 55-1905-223-24-18-1
Replace/Repair Rotary Pump Unit (Fuel 0il Transfer). (FIGURE 2-84)
This task covers:
a. Removal, b. Repair, c. Replacement.
INITIAL SETUP
Equipment Condition
Tools
Tool kit, general mechanic's,
Electrical power to pump unit
turned OFF and tagged "Out of Service
T o o l kit, electrician's,
Do Not Operate."
Valves closed and tagged "Out of
Service - Do Not Operate."
Materials/Parts
Rotary pump unit P/N 20R007001
AC motor P/N S54
Warning tags, Item 1, Appendix C
REMOVAL
NOTE
This procedure may also be used for the
prelubricating oil transfer pump and dirty
lubricating oil pump since all three pumps
are the same.
Tag and disconnect electrical leads at the junction box (15) on motor (16).
a.
Close pump suction (1) and discharge (19) valves.
b.
Disconnect discharge piping at union (20) on outlet side of pump.
C.
Disconnect suction piping at union (2) on inlet side of pump.
d.
Remove eight hex plain nuts (11), lockwashers (12), washers (13) and hexhead
e.
capscrews (14) securing motor (16) on baseplate (17).
Remove two hex plain nuts (6), lockwashers (7) and hexhead capscrews (8)
f.
securing coupling guard (9) on baseplate.  Remove coupling guard.
g . Remove four hex plain nuts (3), lockwashers (4) and hexhead capscrews (5)
securing pump shaft bracket (18) on baseplate.
Separate pump assembly (21) from motor (16) at coupling (10).
h.
Change 1


 


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