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3. Reinstall screws to attach the gear case to the
motor housing. Tighten screws to 28 in‑lbs. torque.
Overtightening could cause screws to strip.
Guards
CAUTION: Guards must be used with all grinding
wheels, cutting wheels, sanding flap discs, wire
brushes, and wire wheels. The tool may be used
without a guard only when sanding with conventional
sanding discs. Refer to Figure A to see guards provided
with the unit. Some applications may require
purchasing the correct guard from your local dealer or
authorized service center.
•
Surface grinding with a Type 1/41/A guard may cause
the guard to interfere with the workpiece resulting in
poor control.
•
Using a Type 27/B guard for cutting-off operations with
bonded abrasive wheels will increase the risk of exposure to
emitted sparks and particles, including exposure to wheel
fragments in the event of wheel burst.
•
Using incorrect guards for cutting-off and facial operations
in concrete or masonry can increase the risk of exposure to
dust and loss of control resulting in kickback.
•
Using an oversized wire-wheel with any guard may
cause the wires to catch on the guard leading to breaking
of wires.
•
Always use appropriate guards for the specific task.
NoTE: Edge grinding and cutting can be performed with
Type 27 wheels designed and specified for this purpose; 1/4"
(6.35 mm) thick wheels are designed for surface grinding
while thinner Type 27 wheels need to be examined for
the manufacturer's label to see if they can be used for
surface grinding or only edge grinding/cutting. A Type 1/41
guard must be used for any wheel where surface grinding
is forbidden. Cutting can also be performed by using a
Type 1/41 wheel and a Type 1/41 guard.
NoTE: See the Accessories Chart to select the proper guard
/ accessory combination.
Mounting and Removing Guard (Fig. F)
CAUTION: Guards must be used with all grinding
wheels, cut-off wheels, diamond coated wheels,
sanding flap discs, wire brushes, and wire wheels.
The tool may be used without a guard only when
sanding with conventional sanding discs. Some
D
WALT models are provided with a guard intended
e
for use with depressed center wheels (Type 27) and
hubbed grinding wheels (Type 27). The same guard is
designed for use with sanding flap discs (Type 27 and
29) and wire brushes. Grinding and cutting with
wheels other than Type 27 and 29 require different
accessory guards not included with tool. Mounting
instructions for these accessory guards are included in
the accessory package.
1. Open the guard release lever
the guard with the slots
2. Push the guard down until the guard lugs engage and
rotate freely in the groove on the gear case hub.
. Align the lugs
9
14
on the gear case.
15
3. With the guard latch open, rotate the guard
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. You should not be able to rotate the guard by hand
when the latch is closed. Do not operate the grinder with
a loose guard or the 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: The guard is pre‑adjusted to the diameter of the gear
case hub at the factory. If, after a period of time, the guard
becomes loose, tighten the adjusting screw
lever in the closed position.
CAUTION: Do not tighten the adjusting screw with the
clamp lever in open position. Undetectable damage to
the guard or the mounting hub may result.
CAUTION: If guard cannot be tightened by adjusting
clamp, do not use tool and take the tool and guard to a
service center to repair or replace the guard.
Flanges and Wheels
WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An
accidental start-up can cause injury.
Mounting Non‑Hubbed Wheels (Fig. H, I)
WARNING: Failure to properly seat the flanges and/or
wheel could result in serious injury (or damage to the
tool or wheel).
CAUTION: Included flanges must be used with
depressed center Type 27/42 grinding wheels and
Type 1/41 cutting wheels. Refer to the accessories
Chart for more information.
WARNING: A closed, two-sided cutting wheel guard
is required when using abrasive cutting wheels or
diamond-coated cutting wheels.
WARNING: Use of a damaged flange or guard or
failure to use proper flange and guard can re sult in
injury due to wheel breakage and wheel contact. Refer
to the accessories Chart for more information.
Mounting non‑hubbed wheels (Fig. H)
1. Place the tool on a table, guard up.
2. Place wheel
centering the wheel on the raised center (pilot) of the
backing flange.
3. While depressing the spindle lock button and with the
circular depressions facing away from the wheel, thread
the threaded locking flange
lugs engage the two slots in the spindle.
on
4. While depressing the spindle lock button, tighten the
threaded locking flange
5. To remove the wheel, depress the spindle lock button
and loosen the threaded locking flange.
16
against the backing flange
on spindle so that the
7
7
using a spanner wrench.
ENGlIsH
8
into the
with clamp
17
6
,
47
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