TM 5-4310-356-14
Table 5-1. Troubleshooting (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Check for a defective motor. Connect leads from the motor direct to the power source. If motor
fails to run remove, repair or replace.
a.
Disconnect main power source.
b.
Remove attaching hardware and remove V-belt guard.
c.
Loosen motor mounting bolts, slide motor towards compressor and remove V-belts.
d.
Tag and disconnect electric leads.
e.
Remove mounting bolts and remove the electric motor and disassemble using figure 5-3
as a guide.
(1) Remove setscrew (1), pulley (2) and key (3).
(2) Remove four bolts (4), rear endbell (5), spring (6), rear bearing (12), baffle (8), front
endbell (7), shim (9), front bearing (10), fan (14), rotor and shaft (13), and stator (15).
1. Set screw, socket
12.
Bearing, rear
2. Pulley
13.
Rotor/shaft assy.
3. Key
14.
Fan
4. Bolt, thru (4)
15.
Frame/stator assy.
5. End bell, rear
16.
Box conduit
6. Spring, wavy
17.
Box, conduit cover
7. Endbell, front
18.
Nut (4)
8. Baffle
19.
Lockwasher (4)
9. Shim
20.
Flat washer (4)
10. Bearing, front
21.
Capscrew (4)
11. Bushing
Figure 5-3. Electric motor assembly.
5-6