DeWalt DCG405 - Battery Charger Safety Instructions; General Charger Safety; Charging Procedures

ENGLISH
10
Spindle Lock Button (Fig. I)
The spindle lock button
2
is provided to prevent the
spindle from rotating when installing or removing wheels.
Operate the spindle lock only when the tool is turned off,
when the battery has been removed, and 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
2
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 Angle
Grinding 20˚-30˚
Sanding with Flap Disc 5˚-10˚
Sanding with Backing Pad 5˚-15˚
Wire Brushing 5˚-10˚
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.
- 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 workpiece.
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. See your local hardware
dealer for the proper NIOSH-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.

CAUTION: Wheels used for edge grinding and cutting
may break or kick back if they bend or twist while the tool is
being used. In all edge grinding/cutting operations, the open
side of the guard must be positioned away from theoperator.
NOTICE: Edge grinding/cutting with a Type27 wheel must
be limited to shallow cutting and notching—less than
13mm in depth when the wheel is new. Reduce the depth of
cutting/notching equal to the reduction of the wheel radius
as it wears down. Refer to the Accessories Chart for more
information. Edge grinding/cutting with a Type 41 wheel
requires usage of a Type 1guard.
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. Grinding/cutting rate is
greatest when the tool operates at highspeed.
3. Position yourself so that the open-underside of the
wheel is facing away fromyou.
4. 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. Edge grinding wheels are not designed to
withstand side pressures caused bybending.