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▶ Metal Grinding
Grinding wheels should be carefully se-
lected in order to use the grinder most ef-
ficiently. Wheels vary in type of abrasive,
bond, hardness, grit size and structure.
The correct wheel to use is determined by
the job. Use disc grinding wheels for fast
grinding of structural steel, heavy weld
beads, steel casting, stainless steel and
other ferrous metals.
1. Allow the tool to reach full speed be-
fore touching the tool to the work sur-
face.
2. Apply minimum pressure to the work
surface, allowing the tool to operate
at high speed. Grinding rate is greatest
when the tool operates at high speed.
3. Maintain a 10° to 15° angle between
the tool and work surface, (Fig. 18).
▶ Metal Cutting
A Type 1 wheel guard
may not be included
with this tool but is required when using
a cutting wheel. Cutting with a type 27
wheel guard may not provide the operator
sufficient protection in the event of a wheel
burst.
With this grinder it is possible to perform
cutting of limited small stock such as met-
al tubes, piping or rebar. When cutting,
work with moderate feed, adapted to the
material being cut. When cutting profiles
and square bar, it is best to start at the
smallest cross section.
Always follow precautions for kickback.
1. Allow the tool to reach full speed be-
fore touching the tool to the work sur-
face.
2. The tool should always be used in such
way that the sparks are directed away
from user.
3. Apply minimum pressure to the work
surface, allowing the tool to operate
160992A4FH 05-19 GWX18V-50PC.indd 22
Operating Instructions
page heading
Fig. 18
4. Continuously move the tool at a moder-
5. Remove the tool from work surface be-
Tip: When grinding with a new wheel be
certain to grind while pulling tool back-
wards until the wheel becomes rounded
on its edge. New wheels have sharp edges
which tend to "bite" or cut into the work
piece when pushed forward.
Fig. 19
4. Do not exert side pressure onto the
5. Remove the tool from the work sur-
-22-
ate speed to avoid creating gouges in
the work surface.
fore turning tool off. Allow the tool to
stop rotating before laying it down.
at high speed. Cutting rate is greatest
when the tool operates at high speed.
cutting disc. Do not tilt or oscillate the
tool as wheel may burst, (Fig. 19).
face before turning the tool off. Allow
the tool to stop rotating before laying
it down.
6/3/19 7:29 AM
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