DeWalt DWE4157F Manual Del Usuario página 37

See the Grinding and Cutting accessory Chart for
more information.

WARNING: A closed, two-sided cutting wheel guard is
re quired when using cutting wheels.

WARNING: Use of a damaged flange or guard or fail ure
to use proper flange and guard can re sult in injury due
to wheel breakage and wheel contact. See the Grinding
and Cutting accessory Chart for more information.
1. Place the tool on a table, guard up.
2. Install the unthreaded backing flange
the raised centre (pilot) facing the wheel.
3. Place wheel against the backing flange, centreing the
15
wheel on the raised centre (pilot) of the backing flange.
4. While depressing the spindle lock button
hex depressions facing away from the wheel, thread the
threaded locking flange
7
engage the two slots in the spindle.
5. While depressing the spindle lock button, tighten the
threaded locking flange
7
6. To remove the wheel, depress the spindle lock button and
loosen the threaded locking flange.
Mounting Sanding Backing Pads (Fig. A, E)
nOTE: Use of a guard with sanding discs that use backing pads,
often called fiber resin discs, is not required. Since a guard is
not required for these accessories, the guard may or may not fit
correctly if used.

WARNING: Failure to properly seat the flange/ clamp nut/
wheel could result in serious injury (or damage to the tool
or wheel).

WARNING: Proper guard must be reinstalled for grinding
wheel, cutting wheel, sanding flap disc, wire brush or
wire wheel applications after sanding applications
are complete.
1. Place or appropriately thread backing pad
the spindle 4 .
2. Place the sanding disc
17
3. While depressing spindle lock button
nut 18 on spindle, piloting the raised hub on the clamp nut
into the centre of san ding disc and backing pad.
4. Tighten the clamp nut by hand. Then depress the spindle
lock button while turning the sanding disc until the sanding
disc and clamp nut are snug.
5. To remove the wheel, grasp and turn the backing pad and
sanding pad while depressing the spindle lock button.
Mounting Wire Cup Brushes and Wire Wheels
(Fig. A)

WARNING: Failure to properly seat the flange/ clamp nut/
wheel could result in serious injury (or damage to the tool
or wheel).

CAUTION: To reduce the risk of personal injury,
wear work gloves when handling wire brushes and
wheels. They can become sharp.

CAUTION: To reduce the risk of damage to the tool,
wheel or brush must not touch guard when mounted
6 on spindle 4 with
5 and with the
on spindle so that the lugs
using the hex wrench .
11
16 on
on the backing pad .
16
5 , thread clamp
or while in use. Undetectable damage could occur to
the accessory, causing wires to fragment from accessory
wheel or cup.
Wire cup brushes or wire wheels install directly on the threaded
spindle without the use of flanges. Use only wire brushes or
wheels provided with a M14 threaded hub. These accessories
are available at extra cost from your local dealer or authorised
service centre.
1. Place the tool on a table, guard up.
2. Thread the wheel on the spindle by hand.
3. Depress spindle lock button
hub of the wire wheel or brush to tighten the wheel.
4. To remove the wheel, reverse the above procedure.
NOTICE: To reduce the risk of damage to the tool, properly
seat the wheel hub before turning the tool on.
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect tool from power
source before making any adjustments or removing/
installing attachments or accessories. Be sure the
trigger switch is in the OFF position. An accidental start-up
can cause injury.
Proper Hand Position (Fig. F)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.

WARNING: To reduce the risk of serious personal
injury, ALWAYS hold securely in anticipation of a
sudden reaction.
Proper hand position requires one hand on the side handle
with the other hand on the body of the tool, as shown in
Figure F.
Slider Switch (Fig. A)

CAUTION: Hold the side handle and body of the tool
firmly to maintain control of the tool at start up and
during use and until the wheel or accessory stops rotating.
Make sure the wheel has come to a complete stop be fore
laying the tool down.
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.

WARNING: Before connecting the tool to a power supply,
be sure the slider switch is in the off position by pressing
the rear part of the switch and releasing. Ensure the slider
switch is in the off position as described above after any
interruption in power supply to the tool, such as the
activation of a ground fault interrupter, throwing of a
circuit breaker, accidental unplugging, or power failure. If
EnGLIsh
5 and use a wrench on the
3 ,
35