TM 5-4310-384-13
3-33.
ELECTRIC MOTOR. This task covers:
a.
Continuity Test.
b.
Short Circuit Test.
c.
Capacitor Test.
d.
Removal.
e.
Installation.
INITIAL SETUP.
a.
Tools. General Mechanic Automotive Tool Kit, T1 5180-00-177-7033; Automotive Maintenance Repair Shop
Equipment, T3 4910-00-754-0654, Capacitor Tester.
b.
Equipment Condition. Main power disconnected; Compressor unit OFF.
c.
General Safety Requirements.
WARNING
Observe all Warnings and Cautions.
Never wear loose clothing or jewelry while inspecting or servicing equipment.
Beware of rotating shafts, pulleys and fans which could entrap personnel and cause serious injury.
CONTINUITY TEST.
WARNING
Disconnect main power and turn compressor unit off before performing maintenance services.
a.
Disconnect main power and turn compressor switch OFF.
b.
Tag and disconnect motor leads (T1 and T2).
c.
Set multimeter to OHMS x 1 scale.
d.
Connect test leads between motor leads:
e.
Multimeter readings should be zero or near zero. If meter reading is infinity (), windings are open. Notify direct
support.
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