TM 55-1905-223-24-8
3-12. Repair of Alternating Current Motor. (FIGURE 3-1)
This task covers: a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, electric motor power
secured, tagged "Out of Service -
Tool kit, electrician's,
Do Not Operate."
Refer to the following paragraph in
Digital multimeter 6625-01-139-2512
this maintenance manual:
Bearing driver, P/N 3375138
Electric motor removed (para. 2-12).
Materials/Parts
Rubber slingers P/N P-90-A-213T-37
and P-90-A-213T-26
Lubricating grease, Item 1, Appendix C
Blind end bearing P/N P-90-A-213T-35
Shaft end bearing P/N P-90-A-213T-25
Fine emory cloth, Item 6, Appendix C
Rotor and shaft P/N P-90-A-213T-29
Stator P/N P-90-A-213T-41
DISASSEMBLY
a. Remove four hex nuts (1) from the fan shroud (2).
b. Remove fan shroud (2).
c.
Remove fan (3) and slinger (4). Discard slinger.
d. Remove the blind end bracket (5).
e. Remove spring washer (17) and blind end bearing (18), discard thebearing.
f.
Pull the rotor and shaft (10) from the stator (9).
g. Remove the four hex nuts (16) and the four bolts (8).
h. Remove the slinger (15) and shaft end bracket (14). Discard slinger.
Change 1
3-6
