Dewalt DWE4120FN 4-1/2 IN. 5 IN. FLATHEAD PADDLE SWITCH SMALL ANGLE GRINDER WITH NO LOCK-ON

Instruction Manual - Page 11

For DWE4120FN.

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DWE4120FN photo
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ENGLISH
9
Fig. G
5
Paddle Switch (Fig.A)
CAUTION: Hold the side handle and body of the tool
firmly to maintain control of the tool at start up and
during use and until the wheel or accessory stops
rotating. Make sure the wheel has come to a complete
stop be fore laying the tooldown.
NOTE: To reduce unexpected tool movement, do not
switch the tool on or off while under load conditions. Allow
the grinder to run up to full speed before touching the work
surface. Lift the tool from the surface before turning the tool
off. Allow the tool to stop rotating before putting itdown.
1. To turn the tool on, push the lock-off lever
2
toward
the back of the tool, then depress the paddle switch
1
.
The tool will run while the switch isdepressed.
2. Turn the tool off by releasing the paddleswitch.
Spindle Lock Button (Fig.H)
The spindle lock button
3
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
and rotate the spindle until you are unable to rotate the
spindlefurther.
3
Fig. H
Surface Grinding and Sanding (Fig. I)
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.
Fig. I
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˚
4. Maintain contact between the edge of the wheel and
the worksurface.
- If grinding or sanding with flap discs, 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 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 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 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
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