TM 10-4610-241-24
TO 40W4-13-42
3-17. CENTRIFUGAL PUMP MOTOR (DISTRIBUTION PUMP)
REPAIR - continued.
(5)
Remove four bolts (5).
(6)
Tap plate (6) with soft-faced mallet to break bond with stator assembly (15) and remove plate.
(7)
Remove wavy washer (7) and flat washer (8) from shaft of rotor assembly (14).
CAUTION
Wiring in stator assembly can be damaged by rotor assembly if it is not removed
carefully. Guide rotor assembly carefully while removing it.
(8)
Tap plate (10) with soft-faced mallet to break bond with stator assembly (14) and remove plate with rotor
assembly (14) attached.
(9)
Remove two screws (9) and plate (10).
(10) Using arbor press, remove bearing (11) from shaft of rotor assembly (14).
(11) Using arbor press, remove bearing (12) from shaft of rotor assembly (14).
(12) Remove retaining plate (13).
b.
Cleaning.
WARNING
Compressed air can blow dust into the eyes. Wear goggles. Do not exceed 30 psi (207
kPa) air pressure.
(1)
Using compressed air, blow dust and grit from stator assembly (15) and from rotor assembly (14). Wipe
rotor assembly with clean rag.
(2)
Clean vent slots on fan cover (2) with compressed air and wipe with clean rag.
(3)
Wipe bearings (11 and 12) with clean rag.
(4)
Scrape loose paint from fan cover (2), stator assembly (15), and pump end plate (6 and 10).
c.
Inspection.
(1)
Inspect leads and windings of stator assembly (15) for evidence of cracked or burned insulation.
(2)
Inspect stator assembly (15) for visible damage.
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