-12-
6
8. MAINTENANCE AND SERVICING
【1】 Maintenance
1) Clean the surface of the machine after using.
Regarding the outer frame of the drill head, the part of the gear case is made of aluminum, and the
part of the Motor is made of the sturdy synthetic resin.
If gasoline, thinner, petroleum or kerosene are adhered to the outer frame of the drill head, the
surface of the drill head will be damaged.
When you clean the out frame of the drill head, use the dried cloth or the cloth which is soaked
with the soapy water.
2) Maintenance for motor.
After entire operation is over, secure drill head onto pole base, run motor with no-load and drive
dirt and dust out of motor interior.
【2】 Regular Servicing
1.Checking of carbon brush
1) How to check
Remove carbon brush cap using slotted screw driver
etc., and take carbon brush out. After replacement,
secure carbon cap.
2) Replacement
○ The excessive abrasion of carbon brushes causes
motor failure. Check regularly, when they are worn
up to the wear limit line (6mm), replace with new
ones.
○ Keep them clean for free sliding in brush holder.
CAUTION
Insist on identical carbon brushes in replacement.
Carbon Brush