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TM 55-1905-223-24-18-1
2-102.
Replace Rotary Pump (Fuel 0il Transfer). ( FIGURE 2-85)
This task covers:
a. Removal, b. Replacement.
INITIAL SETUP
Equipment Condition
Tools
Electrical power to pump unit
Tool kit, general mechanic's,
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 20DR
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.
a.
Close pump suction (1) and discharge (14) valves.
b.
Disconnect discharge piping at union (15) on outlet side of pump.
C.
Disconnect suction piping at union (2) on inlet side of pump.
Remove two hex plain nuts (6), lockwashers (7) and hexhead capscrews (8)
d.
securing coupling guard (9) on baseplate (12). Remove coupling guard.
e.
Remove four hex plain nuts (3), lockwashers (4) and hexhead capscrews (5)
securing pump shaft bracket (13) on baseplate.
f.
Separate pump assembly (16) from motor (11) at coupling (10).
Remove pump assembly.
g.
Change 1
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