Northern Industrial Tools BLACK NICKEL 1/4" AIR ANGLE DIE GRINDER Grinder User Manual


 
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Fig. 1
To Operate as a 1/4" Die Grinder:
1. Always wear ANSI-approved safety glasses, a full face shield, and hearing protection
when operating the tool.
2. Use the two wrenches provided to loosen the collet nut.
3. Insert the 1/4" diameter shank of a grinding drum (not included) fully into the collet. Then,
firmly re-tighten the collet nut to lock both the collet and grinding drum in place.
4. Connect the air supply hose to the quick-connector on the Die Grinder. Turn on the air
compressor, and set its regulator to the recommended 90 PSI for the Die Grinder.
5. IMPORTANT! Grip the appliance firmly with BOTH hands.
6. Trip the safety with your finger. Then slowly apply hand pressure to the trigger until the
desired speed is obtained. NOTE: The tool always turns the Grinding Drum/Drill Chuck
clockwise. (See fig. 2)
Fig. 2
7. With a firm grip on the Die Grinder, lightly apply the Grinding drum to the workpiece, slowly
and steadily moving the grinding drum to the right and left until you have achieved the
desired appearance (finish) on the workpiece.
8. Once the work is completed, release hand pressure on the trigger, the safety will
automatically return to its locked position to prevent the trigger from accidentally being
activated.
9. Turn off the air compressor. Trip the safety with your finger, and slowly squeeze the trigger
to release any remaining air pressure from the die grinder. Then disconnect the air hose
from the tool.
10. Remove the grinding drum from the Die Grinder. Then store the tool in a clean, dry location
out of reach of children and untrained operators.
TRIGGER
SAFETY