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 TM 55-1905-223-24-18-1
Replace/Repair Rotary Pump Unit (Dirty Lubricate Oil).
This task covers:
a. Removal, b. Repair, c. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Electrical power to pump unit turned
OFF and tagged "Out of Service - Do
T o o l kit, electrician's,
Not Operate."
Appropriate valved closed and tagged
"Out of Service - Do Not Operate."
Materials/Parts
Rotary pump unit
P/N 20R007003
Alternating current motor
P/N S55
Warning tags, Item 1, Appendix C
a.
Tag and disconnect electrical leads at junction box on motor (12).
b.
Close pump suction (3) and discharge (18) valves.
c.
Close pump relief valve (1).
d.
Disconnect discharge piping at union (17) on outlet side of pump.
e.
Disconnect suction piping at union (4) on inlet side of pump.
Disconnect pump relief piping at connector (2).
f.
Position pipe wrench on elbow (20) for counterclockwise rotation to remove-
g.
nipple (22) and valve (1) section from pump.
h.
Remove four plain hex nuts (7) lockwashers (8), and hexhead capscrews (9)
securing motor (10) to baseplate (13).
i.
Remove two plain hex nuts (7), lockwashers (8) and hexhead capscrews (9)
securing coupling guard (10) to baseplate. Remove coupling guard.
Remove four plain hex nuts (14), lockwashers (15) and hexhead capscrews (16)
j.
securing shaft bracket (6) to baseplate.
Change 1
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