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 TM 55-1905-223-24-13
DISASSEMBLY (FIGURE 4-1)
NOTE
Before disassembling, mark bearing housings and frame
so they can be properly aligned during assembly
procedure.
a.
Remove bearing housing machine bolts (8), (23), threaded plug (25),
bearing housing units, (7), (22) and airflow deflectors (4) and (19) from
motor support.
b.
Remove annular ball bearings (6, 21), shaft machine key (3), thrust
washers (5), (20), and motor rotor shaft assembly (2) from motor stator
(1).
c.
Remove motor stator (1) from frame (11).
d.
Remove cover bolt (15) and cover (14).
e.
Remove gasket (13).
f.
Remove conduit box bolts (16) and gasket (12).
REPAIR
a.
Clean motor rotor (2), and stator (1) using a suitable cleaning solvent.
b.
Repair is by replacement of the machine key (3), annular ball bearings
(6, 21), thrust washers (5, 20), motor rotor (2), motor stator (1), and
gaskets (13, 12).
ASSEMBLY
a.
Install motor stator (1) and wiring into frame (11), install thrust washers
(5), (20), annular ball bearings (6), (21), and shaft key (3) onto motor
rotor shaft assembly (2).
b.
Install motor rotor shaft assembly (2) into motor stator (1) and frame
(11).
c.
Install air flow deflectors (4), (19) onto bearing housing units (7), (22)
and install bearing housing assemblies (7), (22) onto frame (11).
d.
Install threaded plug (25) and machine bolts (8), (23), and tighten bolts
to 25 ft-lb torque.
e.
Install gasket (12), and conduit box (17) with bolt (16).
f.
Install gasket (13), and cover (14) with bolt (15).
4-6
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