DeWalt DW818 Mode D'emploi page 10

392445-02 rev 10/4/02 11:09 AM
5. While depressing spindle lock button, firmly tighten the thread-
ed flange with supplied hex wrench (Fig. 15).
Mounting Backing Pads and Sanding
Flap Discs
Sanding backing pads are available as optional accessories. Before
fitting the pad, unplug the tool from the power supply and follow
instructions provided with the accessory backing pad.
Mounting Hubbed Wheels
Hubbed wheels screw directly on the grinder spindle without the
use of flanges.
Fitting Wire Cup Brushes and Wheels
Wire cup brushes or wire wheels screw directly on the grinder spin-
dle without the use of flanges. A type 27 guard is required when
using wire brushes and wheels.
CAUTION: Accessories must be rated for at least the speed
recommended on the tool warning label. Wheels and other
accessories running over the rated speed can fly apart and cause
injury.
CAUTION: Wire brushes can become sharp. Wear work gloves
when handling wire cup brushes.
OPERATION
Starting and Stopping the Tool (FIG. 16)
1. Before connecting the tool to a power
supply, be sure the switch is in the off
position by pressing the rear part of
the switch and releasing. If the switch
is locked on when the power is con-
nected, the tool will start unexpectedly.
Page 6
FIG. 16
A
2. To start the tool, slide the ON/OFF switch (A) toward the front of
the tool.
2. To stop the tool, release the ON/OFF switch.
3. For continuous operation, slide the switch toward the front of the
tool and press the forward part of the switch inward.
4. To stop the tool while operating in continuous mode, press the
rear part of the switch and release.
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.
Grinding (FIG. 17)
Using a depressed center Type 27 wheel, hold
the tool at an angle of approximately 20˚- 30° to
the work for grinding. Most Type 27 wheels are
not designed for cutting operations.
Wire Brushing (FIG. 18 & 19)
Use wire brushes to clean welds, metal corners, and
angles, and to remove paint.
CAUTION: Use a Type 27 guard with wire
brushes and wheels. Operators and others in the
area should wear appropriate eye , face and body
protection. Strands of wire may break and fly off
when wire wheels and brushes are in use.
Sanding With Abrasive Discs
(FIG. 20)
When using an abrasive disc and rubber backing pad, hold the tool
so that an angle of 5° to 15° exists between the disc and the work,
6
FIG. 17
20˚-30˚
FIG. 18
FIG. 19