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use, perform the following adjustment. With the guard latch in the
closed position tighten or loosen the adjustment screw (Fig. 2B).
REMOVING GUARD
1. Open the guard latch (A) and align the arrow on the guard with
the arrow on the gear case.
2. Pull the guard up until the guard lugs engage and rotate freely
in the groove on the gear case.
3. With the guard latch open, rotate the guard until the arrows are
aligned. (Fig. 2).
4. Remove the guard.
CAUTION: Do not tighten adjusting screw with guard latch in
open position. Undetectable damage to the guard or the mount-
ing hub may result.
Fitting and Removing the Guard DW840
(Fig. 3)
CAUTION: Unplug the tool before mounting or removing the
guard. Guards must be used with all grinding wheels and sand-
ing flap discs, wire brushes and wire wheels. The tool may be
used without the guard only when sanding with conventional
sanding discs. Before reconnecting the tool, depress and release
the rear part of the switch to ensure that the tool is off.
FITTING GUARD
CAUTION: Do not operate grinder with a loose
guard or the guard latch in the open position.
1. Place the angle grinder on a table, spindle up.
2. Press the guard down.
3. Position the guard between your body and
the work piece.
4. Tighten the screw holding the cinch collar
firmly around the neck of the spindle.
REMOVING GUARD
1. Loosen the screw holding the cinch collar around the neck of
the spindle.
2. Lift up on the guard.
CAUTION: Do not tighten adjusting screw with guard latch in
open position. Undetectable damage to the guard or the mount-
ing hub may result.
Fitting a Backing Pad and Sanding Disc
Backing pads are available as optional accessories. To fit the pad,
follow instructions provided with the accessory.
CAUTION: Proper guard must be re-installed for grinding wheel
applications after sanding applications are complete.
CAUTION: Accessories must be rated for at least the speed
recommended on the tool warning label. Wheels and other acces-
sories running over rated speed can fly apart and cause injury.
Accessory ratings must always be above tool speed as shown on
tool nameplate.
Mounting Grinding Wheels (Fig. 4–7)
Grinding wheels are available as optional accessories.
1. Place the backing flange on the grinder spindle (Fig. 4).
2. Place the wheel against the flange, centering the grinding
wheel on the backing flange pilot.
FIG. 3
FIG. 4
FIG. 5
FIG. 6