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6. Maintenance
6.1 Change battery
1
Remove the battery cover
Remove the battery cover by sliding it toward the charging
terminal.
2
Remove the old battery
Pull out the battery a little part, and then pull out the battery plug
from central unit by hand carefully.
3
Replace with new battery
Put in the new battery.
4
Close the battery cover
Slide the cover from the button to the top with a little force by
the finger.
6.2 Lubricating contra angle
Insert the spray nozzle into the contra angle head (insert to the part connect to the central unit).
Insert the lubricants spray nozzle to the provided spray nozzle loop, inject the lubricants for
1-2 seconds till the outlet liquid from the head of the contra angle clean.
WARNING:
Do not lubricate the micromotor in the central unit for any reason, because lubricant
contamination of the micromotor can have a strong negative effect on its safe operation.
When lubricating the contra angle, check that no lubricant penetrates the micromotor.
Never introduce any foreign objects into the micromotor.
Do not disassemble or alter the central unit.
