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1. To turn the tool on, first press and hold the dual trigger
switch
, push the lock‑off lever
11
tool, then depress the trigger switch
while both switches are depressed.
2. Turn the tool off by releasing either switch.
3. The tool will not restart again until both switches are
released and the start‑up sequence is repeated.
4. If trigger switch is not activated within 2 seconds of
the dual trigger switch, the grinder will not start and the
sequence must be repeated.
Feathering/Grip Adjust Timers (Fig. A)
If only one of the switches, the trigger switch
trigger switch
11
, is released while the tool is running, the
tool can be restarted if it is depressed again within 1 second.
Normal braking operation will occur when the switch
is released.
WARNING: Allow the tool to reach full speed before
touching tool to the work surface. Lift the tool from the work
surface before turning the tool off.
nOTE: This tool has no provision to lock the switch in
the ON position, and should never be locked ON by any
other means.
Spindle Lock (Fig. A)
The spindle lock button
3
from rotating when installing or removing wheels. Operate
the spindle lock only when the tool is turned off, the battery
is removed and the spindle has come to a complete stop.
NOTICE: To reduce the risk of damage to the tool, do not
engage the spindle lock while the tool is operating. Damage
to the tool will result and attached accessory may spin off,
possibly resulting in injury.
To engage the lock, depress the spindle lock button
and rotate the spindle until you are unable to rotate the
spindle further.
Surface Grinding, Sanding and Wire Brushing
(Fig. J)
CAUTION: Always use the correct guard per the
instructions in this manual.
To perform work on the surface of a workpiece:
1. Allow the tool to reach full speed before touching the tool
to the work surface.
2. Apply minimum pressure to the work surface, allowing
the tool to operate at high speed. Material removal rate is
greatest when the tool operates at high speed.
3. Maintain an appropriate angle between the tool and work
surface. Refer to the chart according to particular function.
Function
Grinding
Sanding with Flap Disc
Sanding with Backing Pad
Wire Brushing
4. Maintain contact between the edge of the wheel and the
work surface.
‑ If grinding, sanding with flap discs, or wire brushing, move
the tool continuously in a forward and back motion to avoid
creating gouges in the work surface.
10
toward the back of the
2
. The tool will run
1
1
or the dual
is provided to prevent the spindle
Angle
20˚-30˚
5˚-10˚
5˚-15˚
5˚-10˚
‑ If sanding with a backing pad, move the tool constantly
in a straight line to prevent burning and swirling of
work surface.
nOTE: Allowing the tool to rest on the work surface without
moving will damage the workpiece.
5. Remove the tool from work surface before turning tool
off. Allow the tool to stop rotating before laying it down.
CAUTION: Use extra care when working over an edge, as a
sudden sharp movement of grinder may be experienced.
Precautions To Take When Working on a
Painted Workpiece
1. Sanding or 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 sanding any paint:
Personal safety
1. No children or pregnant women should enter the work
area where the paint sanding or wire brushing 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. Refer to your local
hardware dealer for the proper N.I.O.S.H. approved mask.
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. Sanding 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 sanding
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.
Edge Grinding and Cutting (Fig. K)
WARNING: Do not use edge grinding/cutting wheels for
surface grinding applications because these wheels are not
designed for side pressures encountered with surface grinding.
Wheel breakage and injury may result.
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