DeWalt DWE4150 Manual page 40

english
When using the DWE4050, DWE4051, DWE4120,
DWE4150 or the DWE4151 grinder for cutting metal
or masonry, a Type 1 guard MUST be used. Type 1
guards are available at extra cost from D
distributors.
NOTE: Please refer to the Grinding and Cutting
Accessory Chart at the end of this section to
see other accessories that can be used with these
grinders.
MOUNTING AND REMOVING (TYPE 27)
ONE-TOUCH GUARD (FIG. 2A)
NOTE: If your grinder is supplied with a keyless
One-Touch guard, ensure the screw, lever, and
spring are fitted correctly before mounting the
guard.
1. Press the guard release lever (J).
2. While holding the guard release lever open,
align the lugs (K) on the guard with the slots (L)
on the gear case.
3. Keeping the guard release lever open, push the
guard down until the lugs engage then rotate
them into the groove on the gear case hub.
Release the guard release lever.
4. With the spindle facing the operator, rotate
the guard clockwise into the desired working
position. The guard body should be positioned
between the spindle and the operator to
provide maximum operator protection.
5. For easy adjustment, the guard can be rotated
in the clockwise direction. NOTE: The guard
release lever should snap into one of the
alignment holes (M) on the guard collar. This
ensures that the guard is secure. The guard
can be repositioned the opposite direction by
depressing the guard release lever.
6. To remove the guard, follow steps 1–3 of these
instructions in reverse.
GUARD WITH FIXING SCREW (FIG. 2B)
1. Place the angle grinder on a table,
spindle (B) up.
2. Align the lugs (K) with the notches (L).
3. Press the guard (F) down and rotate it to the
required position.)
4. Securely tighten the screw (N).
5. To remove the guard, slacken the screw.
CAUTION: If the guard cannot be
tightened by the adjusting screw, do
not use the tool. To reduce the risk of
personal injury, take the tool and guard to
a service centre to repair or replace the
guard.
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MOUNTING CLOSED (TYPE 1) GUARD
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1. Open the guard latch. Align the lugs (K) on the
guard with the slots (L) on the gear case.
2. Push the guard down until the guard lug
engages and rotates freely in the groove on the
gear case hub.
3. Rotate guard into desired working position.
The guard body should be positioned between
the spindle and the operator to provide
maximum operator protection.
4. Close the guard latch to secure the guard on
the gear case cover. You should be unable to
rotate the guard by hand when the latch is in
closed position. If rotation is possible, tighten
the adjusting screw with the clamp lever in the
closed position. Do not operate grinder with a
loose guard or clamp lever in open position.
5. To remove the guard, open the guard latch,
rotate the guard so that the arrows are aligned
and pull up on the guard.
NOTE: If, after a period of time the closed (Type 1)
guard becomes loose, tighten the adjusting screw
with the clamp lever in the closed position.
Fitting and Removing a Grinding or
Cutting Disc (fig. 1, 4, 5)
1. Place the tool on a table, guard up.
2. Fit the backing flange (D) correctly onto the
spindle (B) (fig. 4).
WARNING: If present, the One-Touch
guard screw, lever, and spring must be
removed before attempting to mount
the closed (Type 1) guard. The removed
parts must be retained and reinstalled
to use the One-Touch guard. Noting
the position of these parts before
disassembly will aid in reassembly.
CAUTION: If the guard cannot be
tightened by the adjusting screw, do
not use the tool. To reduce the risk of
personal injury, take the tool and guard
to authorized repair agent to repair or
replace the guard.
NOTICE: Do not tighten adjusting
screw with clamp lever in open position.
Undetectable damage to guard or
mounting hub may result.
WARNING: Do not use a damaged
disc.