9
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.
3.Instrument oil cup box high voltage electromagnetic switches are
oil-filled
insulation,
there
should
be
regular
observation
oil
surface,through transparent switch shell, as oil surface at distances from
the top of more than 10MM, should unscrew the plugs supplemented in
line with the GB2536 25th of transformer oil.
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
three times. Each time shall follow the bellow procedures:
Pour the petroleum ether into the oil cup till the cup is 1/4
～
1/3 full.
Cover the cup mouth with a piece of glass cleaned by petroleum ether.
Shake the cup evenly for one minute with certain force.
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.
Pour the petroleum ether into the oil cup till the cup is 1/4
～
1/3 full.
