7
3. The power shall be cut off immediately if any abnormal event is found
during the operation.
VII. Maintenance
1. This equipment shall not be exposed in moist environment.
2. Keep the oil cup and the electrodes clean. Fill the cup with fresh
transformer oil for protection during its idle. Check the electrode distance
and check the tightness between the electrode tip and electrode bar screw
thread before the cup is used again.
VIII.Oil Cup Cleaning Method And Common Fault
Clearances
1. Oil Cup Cleaning Method
⑴
Wipe the electrode surfaces and bars again and again with clean silk
cloth.
⑵
Adjust the electrode distance with standard gauge.
⑶
Use petroleum ether (other organic solvents are forbidden) to clean
thrice. Each time shall follow the bellow procedures:
①
Pour the petroleum ether into the oil cup till the cup is 1/4
～
1/3 full.
②
Cover the cup mouth with a piece of glass cleaned by petroleum ether.
Shake the cup evenly for one minute with certain force.
③
Pour away the petroleum ether and dry the cup with a blower for 2~3
minutes.
⑷
Use the oil sample to be tested to clean the cup for 1~3 times.
①
Pour the petroleum ether into the oil cup till the cup is 1/4
～
1/3 full.
②
Cover the cup mouth with a piece of glass cleaned by petroleum ether.
Shake the cup evenly for one minute with certain force.
③
Pour away the left oil sample and then the test starts.
2. Agitating Blade Cleaning Method
⑴
Wipe the agitating blade again and again with clean silk cloth until fine
particles are not found on their surfaces. It is forbidden to touch the
