koban KRD-01 Manual Del Usaurio página 26

EN
② Cover the oil cup mouth with a piece of glass cleaned . Shake the cup evenly for
one to two minute with certain force.
③ Pour away the left oil sample and then can do the suppress experiment.
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 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.
Oil strenght dielectric meter
KRD-01