2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that they are properly tightened. Any loose
should be tighten immediately, failure to do maybe cause serious hazard.
3. Inspecting the bit retainer
The retainer may become loose due to excessive use. Make sure the bit shank position is hold
securely, if any wear or damage is found, ask the authorized service people to maintenance.
4. Maintenance the motor
The motor is the heart of the machine, please avoid any damage to the winding, or any water
and oil to wet it.
5. Carbon brush replacements
5.1 Carbon brushes are consumable parts, when it becomes worn or "limit worn" it can cause
motor trouble, we use auto-stop carbon brush, it stopped automatically when carbon brush worn out,
at that time, replace a new couple of them as following procedure:
5.2 Use "+" screw drive to loose the bush
holder then use "-" screw drive to loosethe cap,
now you can take out of the worn carbon brush,
change another pair of specified carbon brush.
assembly back the cap and holder correctly
and tightly.
6. Cleaning
Clean the machine regularly with a soft
cloth, preferably after each use. Solvent
such as gasoline, thinner, alcohol etc.. These
kind of chemical materials are not allowed to
use, water or soap are recommended!
7. Warranty
For the condition of warranty, please refer to the separately provided warranty card.
Environment
Faulty and /or discarded electrical or electronic apparatus have to be collected
at the appropriate recycling location.
