(3) M easurement of insulation resistance.
A WARNING ELECTRIC SHOCK can kill.
* Measurement should be made after the machine stops.
- Using a 500V megger, make a check once a month to ensure that the insulation
resistance is more than 1M Q .
Measurement:
Disconnect the load side cable from the output terminal as shown at below. Turn ON
the circuit breaker and measure the insulation resistance between the output terminal
bolt and the bonnet.
— If the measured resistance is less than 1M 0 , it may cause electric leakage or fire
accident. Wipe off dirt and oil on the output terminals, circuit breakers and generator
leads (cables) and dry them thoroughly.
If the insulation resistance is not recovered after cleaning, contact distributor or our
office.
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