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 TM 55-1905-223-24-18-1
Remove pump assembly.
i.
Remove motor.
j.
REPAIR
Repair of rotary pump unit consists of replacing rotary pump (21) and motor (16).
REPLACEMENT
Position motor (16) on baseplate (17) with mounting screw holes aligned.
a.
Position pump shaft bracket (18) and pump assembly (21) on baseplate.
b.
Connect pump assembly to motor at coupling (10).
C.
Secure pump shaft bracket (18) to baseplate (17) with four hexhead capscrews
d.
(5), lockwashers (4) and plain hex nuts (3).
e.
Position coupling guard (9) over coupling (10) and aligned with mounting
screw holes on baseplate.
Secure coupling guard with two hexhead capscrews (8), lockwashers (7) and
f.
plain hex nuts (6).
Secure motor with four hexhead capscrews (14), washers (13), lockwashers and
g.
plain hex nuts (11).
Connect suction piping at union (2) on inlet side of pump.
h.
Connect discharge piping at union (20) on outlet side of pump.
i.
Open suction (1) and discharge (19) valves.
j.
Remove tags and connect leads to junction box (15) on motor.
k.
Remove tags and restore power to pump unit.
l.
Run pump to test for correct direction of rotation and leaks.
m.
2-422
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