TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY. (Cont)
NOTE
Mark fan end plate, motor casing, and drive end plate to assist in
alignment during assembly.
f.
Remove four bolts (20).
g.
Tap drive end plate (21) with soft-faced mallet to break bond with motor casing (22) and then remove drive end
plate.
h.
Remove four bolts (23).
i.
Tap fan end plate (24) with soft-faced mallet to break bond with motor casing (22) and remove fan end plate.
CAUTION
Stator wiring inside motor casing can be damaged by rotor or rotor shaft
if rotor is not removed carefully. Guide rotor carefully while removing it.
j.
Remove rotor (19) through drive end of motor casing (22).
k.
Remove wavy washer (25) from shaft of rotor (19).
l.
Using arbor press, remove two bearings (26) from shaft of rotor (19).
CLEANING
WARNING
Compressed air can blow dust into the eyes. Wear eye protection. Do
not exceed 30 psi (207 kPa) air pressure.
a.
Using compressed air, blow dust and grit from stator and rotor. Wipe rotor with clean rag.
b.
Clean end plate vent slots with compressed air and wipe with clean rag.
c.
Wipe bearings with clean rag if grease is dry or dirty.
d.
Scrape loose paint from fan cover, motor casing, and drive end plate. Prime and paint as necessary
.
INSPECTION.
a.
Inspect leads and windings of stator for evidence of cracked or burned insulation. Replace as required.
b.
Inspect rotor assembly for loose or burned conducting bars. Replace as required.
c.
Inspect bearings for wear. Replace as required.
d.
Inspect end plates for cracks or plugged vent slots.
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