DeWalt DWE4227 Original Instructions Manual page 51

encountered with surface grinding. Wheel
breakage and injury may result.
1. Allow tool to reach full speed before touching
tool to work surface.
2. Apply minimum pressure to work surface,
allowing tool to operate at high speed. Cutting
rate is greatest when the tool operates at
high speed.
3. Once a cut is begun and a notch is established
in the workpiece, do not change the angle
of the cut. Changing the angle will cause the
wheel to bend and may cause wheel breakage.
4. Remove the tool from work surface before
turning tool off. Allow the tool to stop rotating
before setting it down.
Precautions To Take When Wire
Brushing Paint
1. Wire brushing of lead based paint is NOT
RECOMMENDED due to the difficulty of
controlling the contaminated dust. The greatest
danger of lead poisoning is to children and
pregnant women.
2. Since it is difficult to identify whether or not a
paint contains lead without a chemical analysis,
we recommend the following precautions when
wire brushing any paint:
PERSONAL SAFETY
1. No children or pregnant women should enter
the work area where the paint removal is being
done until all clean up is completed.
2. A dust mask or respirator should be worn by
all persons entering the work area. The filter
should be replaced daily or whenever the
wearer has difficulty breathing.
NOTE: Only those dust masks suitable for
working with lead paint dust and fumes should
be used. Ordinary painting masks do not offer
this protection. See your local hardware dealer
for the proper respiratory protection.
3. NO EATING, DRINKING or SMOKING should
be done in the work area to prevent ingesting
contaminated paint particles. Workers should
wash and clean up BEFORE eating, drinking
or smoking. Articles of food, drink, or smoking
should not be left in the work area where dust
would settle on them.
ENVIRONMENTAL SAFETY
1. Paint should be removed in such a manner as
to minimize the amount of dust generated.
2. Areas where paint removal is occurring
should be sealed with plastic sheeting of
4 mils thickness.
3. Wire brushing should be done in a manner
to reduce tracking of paint dust outside the
work area.
CLEANING AND DISPOSAL
1. All surfaces in the work area should be
vacuumed and thoroughly cleaned daily for the
duration of the wire brushing project. Vacuum
filter bags should be changed frequently.
2. Plastic drop cloths should be gathered up
and disposed of along with any dust chips or
other removal debris. They should be placed
in sealed refuse receptacles and disposed of
through regular trash pick-up procedures.
During clean up, children and pregnant women
should be kept away from the immediate
work area.
3. All toys, washable furniture and utensils used by
children should be washed thoroughly before
being used again.
Metal Applications
When using the tool in metal applications, make
sure that a residual current device (RCD) has
been inserted to avoid residual risks caused by
metal swarf.
If the power supply is shut off by the RCD, take the
tool to an authorised D WALT repair agent.
e
WARNING: In extreme working
conditions, conductive dust can
accumulate inside the machine housing
when working with metal. This can result
in the protective insulation in the machine
becoming degraded with a potential risk
of an electrical shock.
To avoid build-up of metal swarf inside the machine,
we recommend to clear the ventilation slots on a
daily basis. Refer to Maintenance.
Cutting Metal
When cutting, work with moderate feed, adapted to
the material being cut. Do not exert pressure onto
the cutting disc, tilt or oscillate the machine.
Do not reduce the speed of running down cutting
discs by applying sideward pressure.
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