Clean And Maintenance; Replacing The Wheel - Promac JDG-0332 Operating Instructions Manual

6.4. Grind the lip relief angle
Put the chuck set into the lip relief angle grinding shelf. The
slot of clamping nut must fit with the pin of the grinding shelf.
Insert the drill gently into grinding shelf until reach the
grinding wheel. Grind the drill by moving left and right until
the grinding sound disappears. And then turn to the other
side, do the same to grind the drill.
6.5. Point grinding point splitting
Put the chuck set into the point splitting shelf. The slot of
clamping nut must fit with the pin(B) of the grinding shelf.
Insert the drill gently into grinding shelf until reach the
grinding wheel. Grind the drill by moving left and right until
the grinding sound disappears. Turn back to the center of
pin(B) and take out, then turn to the other side, do the same
to grind the drill.
Notice: Use the 3mm wrench to do the step A if it is necessary.
The nearer to the grinding wheel, the more grinding will be,
and the pin far away from the wheel, the less grinding will be.

7.0 CLEAN AND MAINTENANCE

Please clean the whole unit with an air blow gun, especially the
holes before and after use.

8.0 REPLACING THE WHEEL

8.1. Open the wheel cover
8.1.1. Make sure it is safe that the power cord is unplugged.
8.1.2. Then use the 4mm hex wrench to lose the screw to
open the cover.
8.2. Take out the grinding wheel
8.2.1. Use the brush to clean the machine, then use dry cloth
to clean the surface.
8.2.2. If you just use the machine, please wait 3 minutes
after the grinding temperature is fall.
8.2.3. Use the left hand to hold the wheel, then use the 4mm
hex wrench to lose the screw counter-clockwise by right hand.
8.2.4. Take out the diamond grinding wheel on the machine.
8.2.5. Replace the new grinding wheel.
8.2.6. Put the wheel into the principal axis of motor, and
tighten the screw and the wheel cover to complete.
Notice: motor principal axis is very precise, if wrong work may
be leading to the damage, thus affecting grinding wheel
position.
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