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 TM 5-4120-393-14
4-56. Evaporator Fan Motors (B3A and B3B) (cont)
(d) Use a multimeter set on high OHMS scale to test stator insulation by checking between each pin in connector (A,
B, and C) and the motor housing. A reading of less than 500,000 ohms indicates insulation failure. Replace
motor.
NOTE
If all the above inspections and tests are satisfactory, but the motor will still not
operate properly, notify Intermediate Direct Support Maintenance, who may desire
to make further tests before it is removed.
REMOVAL/INSTALLATION
Go to para 4-55 for installation and removal of motors and fans.
NOTE
FOLLOW ON MAINTENANCE:
1.
Install top panel. See para 4-25.
2.
Install conditioned air filters. See para 4-30.
3.
Install conditioned air inlet grilles. See para 4-22.
4-130
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