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TM5-4120-387-14
Figure 4-47. Compressor Motor Start Capacitor
b.
Test
(1) Using a capacitance tester, check capacitance across terminals.
(2) If capacitance does not read between 124 and 149 microfarads, the
capacitor is faulty and must be replaced.
(3) If a capacitance tester is not available, conduct the following test
using a multimeter:
l Set meter to highest OHMS scale.
l Connect positive (+) meter lead to positive (+) capacitor terminal.
l Connect negative (-) meter lead to negative (-) capacitor terminal.
l Engage meter
(4) A good capacitor will be shown by meter quickly registering high
resistance, then slowly backing off to zero resistance.
4-119
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