1. The environmental condition is clean and dry
2. Wear gloves, safety shoes, and other protective equipment.
3. Using must be appropriate with capacity: the use of 6 hours, 1 hour off
4. Use the right equipment and accessories
5. Use a clamp/vise to the work piece
6. Turn off the unit when changing accessories
7. Extension-cable in accordance with the capacity of input power
8. Turn off the power when the usage is finished
9. Check power tools before use
10. Repairing in event of damage is done at authorized service center

Periodic Maintenance

1. Daily maintenance: clean with a dry brush or compressed air
2. Three-month maintenance: completely inspection
   • Clean motor housing with a dry brush, compressed air, or with liquid cleaning (if necessary)
   • Check gear box: clean grease/bearings and lubrication
   • Check the temperature of the motor, whether it stays on normal

Lubrication
Using the right grease according to its type and amount

Gear Box and Gear

1. Gear boxes are cleaned with oil/diesel fuel and dry with pressurized air
2. Cleaning the gears with oil/diesel fuel, check for wear, replace if it damaged

Motor Set
Check the rotor:

• Short circuit on field-coil and commutator
• Scraping with other spareparts

Bearings
It must be turned in subtlely, if:
- Dirty: clean bearing with kerosene or diesel fuel and drying it
-Damage: replace the bearing with a new
-It does not exposed to the kerosene

Gasket & Seal
- The surface of the gasket should be flat and should not be wrinkled or damaged
-Check the o-ring resiliency and should not be touching the rough surface
-Check the felt seals
-It does not exposed to kerosene

Carbon Brush
When carbon brush used up, it is replaced with a new (original)
-Counterfeit brushes can destroy commutator and speed up the damage of motor

For information, call:
Power Tools Div, (021) 582-8282 ext. 353