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OPERATING THE GRINDER
WARNING
● Keep your face away from the tip tool
during use.
● Wear goggles and a dust mask when using
the grinder. Breakage of the tip tool may
lead to injury.
● Do not operate the grinder at extremely
slow speed. A smooth fi nished surface will
not be achieved and doing so may lead to
damage of the tip tool, breakdown of the
grinder or injury.
CAUTION
Do not touch the tip tool, collet nut or collet
immediately after machining as they will be
very hot and touching them may result in
burns.
1. Remove the battery and attach the tip tool
2. Fix the workpiece so that it does not move
The smaller the workpiece, the more unstable it
is to machine. Fix small workpieces in a vise.
Holding the workpiece by hand may result in
injury.
3. Insert the battery in the grinder
4. Check the balance of the tip tool
Check the tip tool visually at low speed (around
[1] on the switch dial).
Also check for abnormal noise during
operation.
5. Select the machining speed
○ Select the optimal speed for the material while
performing trial grinding with reference to Table
5.
○ If plastic is machined at high speed, it may melt
due to heating. Test it gradually starting from a
low speed.
Table 5 Switch dial settings
Workpiece
material
Tip tool
Softwood
Hardwood
Laminate/
Plastic
Steel
Aluminium,
brass, etc.
Shell/
Stone
Ceramic Glass
Aluminium oxide
point
3-4 3-4 — 2.5 1 1.5 3-4 —
Silicon carbide
point
— — 1.5 3-4 1 1.5 3-4 3-4
High-speed cutter 3-4 3-4 1 1.5 3-4 — — —
Drill 3-4 3-4 1 — 1.5 — — —
Cutting wheel — — 1 3-4 3-4 3-4 3-4 —
Aluminium oxide
grinding wheel
3-4 3-4 — 2.5 1 1.5 3-4 —
Sanding disc 2.5 2.5 1 — 1 — — —
Polishing wheel — — — 1 1 1 1 1
Felt polishing
wheel
———11———
Sanding band 1-4 1-4 1-4 3-4 3-4 1-4 1-4 —