TM 10-4610-239-24
TM 08580B-24/3
INSPECTION.
a.
Inspect leads and windings of stator for evidence of cracked or burned insulation. Replace as required.
b.
Inspect rotor shaft for loose or burned conducting bars. Replace as required.
c.
Inspect bearings for wear. Replace as required.
d.
Inspect shaft end plate and fanend housing for cracks. Replace as required.
e.
Using multimeter set to OHMS X1 scale, connect test leads to pairs of motor leads in the following order: T1 and
T2, T1 and T3, T2 and T3.
f.
If multimeter indication is not 0 ohm for each pair of windings, replace stator.
g.
Set multimeter to OHMS X1000 scale. Connect one lead to stator housing. Connect other lead to each motor lead
in turn.
h.
If multimeter indication is not infinity for each motor lead, replace stator.
ASSEMBLY.
a.
Install two grease fittings (24).
b.
Install eyebolt (23).
c.
Pack two bearings (20) and (22) and use arbor press to install bearing (23) on short end of rotor shaft (10).
d.
Position bearing retainer plate (18) on rotor (10) and install bearing (20) and sleeve (21) in end plate (15).
e.
Align bearing retainer plate (18) with holes on end plate (15) and install screws (17).
CAUTION
Wiring inside stator can be damaged by rotor shaft if rotor is not installed
carefully.
f.
Install wavy washer (16) in fan end housing(13).
g.
Position end plate (15) on rotor (10) and carefully install rotor (10) in stator (14) and install ring seal (19) in end
plate (15).
h.
Position shaft end plate (15). align mark made during disassembly with mark on stator (14).
i.
While holding shaft end plate (15) aligned on one end of stator (14), position fan end housing (13) on other end.
align mark made on fan end housing during disassembly with mark on stator.
j.
Install four bolts (12) and nuts (11).
k.
Install fan (9).
l.
Install fan cover (8) and three screws (7).
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