8
surfaces with hands.
⑵
Use forceps to clamp the blade; put them into petroleum ether and wash.
⑶
Use forceps to clamp the blade and dry them with a blower.
⑷
Use forceps to clamp the blade; put them into the oil sample to be tested
and wash.
3. Oil Cup Storage
Method 1 Fill the cup with good insulating oil after the test is finished and
place it stable.
Method 2 Clean and dry the cup under the above procedures and then put it
into a vacuum dryer.
Note: The oil cup and agitating blade shall be cleaned under the above
procedures after the first test and tests with poor oil.
4
、
Common Fault Clearances
⑴
Power light off, screen display off
①
Check the plugging of power plug.
②
Check the condition of the protector tube inside the power plug.
③
Check the socket electricity.
⑵
No punch through oil cup
①
Check inserting of connectors on circuit board.
②
Check contacting of cap high-voltage switch.
③
Check attracting of high-voltage contacts.
④
Check break of high-voltage line.
⑶
Light display contrast
①
Adjust the potentiometer on the circuit board.
⑷
Printer failure
①
Check plugging of printer power line.
②
Check plugging of printer data line.
