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shut down, the trigger switch needs to be cycled (depress the
trigger switch, release, then depress again) to restart the tool.
Speed Control Wheel (Fig. A)
The maximum speed of your tool can be changed by rotating
the speed control wheel
3
to the desired setting. For added
versatility, the trigger switch
4
position and tool speed changed by means of the speed control
wheel alone.
The speed control wheel can be set for any speed between
2000 and 5500 RPM and the variable speed trigger switch
will then control tool speed from zero to the wheel setting.
For example: A control wheel setting of 2200 RPM will allow
the variable speed trigger switch to operate the tool between
zero and 2200 RPM, depending on how far the trigger switch
is depressed.
Electronic Speed Control
The electronic speed control feature functions whenever the
trigger switch is fully depressed and the tool is running at the
selected speed determined by the setting of the control wheel.
As you load the tool by pushing it down on the work surface,
the tool will compensate for the loading and maintain the
selected speed. If the speed selected by the control wheel is
2200 RPM, the tool will maintain 2200 RPM, as it is loaded.
•
The electronic speed control operates only when the trigger
switch
is fully depressed.
4
•
The effect of electronic speed control is much easier to
observe at lower speed settings (2600 RPM and below), than
at high speeds.
A conventional polisher running at a typical no-load speed of
2400 RPM slows down to about 2000 RPM under a polishing
load. Your DCM848 will continue to run at 2400 RPM (or any
speed you select with the control wheel) as a load is applied.
If the speed is too great, slow the tool down with either the
trigger switch or the control wheel.
Polishing (Fig. D)
1. Without turning the tool on, grasp the handles of the tool
and pick it up.
2. Keep the tool away from your body and depress the
trigger switch.
3. Make sure you have a firm grip on the handles.
4. Move the tool evenly over the surface of the workpiece,
without applying pressure.
5. Switch off the machine before taking the tool from
the surface.
6. Check your work at short intervals.
The auxiliary handle
5
can be easily changed to either side of
the tool for left-handed or right-handed operation.
Use utmost care when power polishing around or over sharp
objects and contours. It is very important to use the correct
pressure while polishing various sections of an automobile
body. For example, light pressure should be applied when
polishing over sharp edges of body panels, or over edges of the
rain gutter along the top.
12
may be locked in its full on
WARNING: High-speed rubbing action of the polishing
bonnet upon the workpiece surface can build a static
charge on the metal portions of this tool resulting in a
static shock when touched.
MAINTENANCE
Your power tool has been designed to operate over a long
period of time with a minimum of maintenance. Continuous
satisfactory operation depends upon proper tool care and
regular cleaning.
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start-up can cause injury.
The charger and battery pack are not serviceable.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
WARNING: Blow dirt and dust out of the main housing
with dry air as often as dirt is seen collecting in and around
the air vents. Wear approved eye protection and approved
dust mask when performing this procedure.
WARNING: Never use solvents or other harsh chemicals
for cleaning the non-metallic parts of the tool. These
chemicals may weaken the materials used in these parts.
Use a cloth dampened only with water and mild soap.
Never let any liquid get inside the tool; never immerse any
part of the tool into a liquid.
Optional Accessories
WARNING: Since accessories, other than those offered
by D
WALT, have not been tested with this product, use
e
of such accessories with this tool could be hazardous.
To reduce the risk of injury, only D
accessories should be used with this product.
Consult your dealer for further information on the
appropriate accessories.
WALT recommended
e
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