Bedienungsanleitung DeWalt DC 411 (Seite 49 von 220) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Spanisch, Polnisch, Türkisch, Schwedisch, Norwegisch)

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Mounting and Using Depressed

Center Grinding Wheels

MOUNTING AND REMOVING HUBBED WHEELS (FIG. 1, 7)

WARNING: To reduce the risk of

serious personal injury, turn tool off and

remove battery pack before making

any adjustments or removing/installing

attachments or accessories.

Hubbed wheels install directly on the M14 threaded

spindle.

1. Thread the wheel on the spindle by hand.

2. Depress the spindle lock button and use a

wrench to tighten the hub of the wheel.

3. Reverse the above procedure to remove the

wheel.

CAUTION: Failure to properly seat

the wheel before turning the tool on

may result in damage to the tool or the

wheel.

MOUNTING NON-HUBBED WHEELS (FIG. 8)

WARNING: To reduce the risk of

serious personal injury, turn tool off and

remove battery pack before making

any adjustments or removing/installing

attachments or accessories.

Depressed center Type 27 grinding wheels must be

used with included flanges.

1. Install the anti-lockup backing flange (g) on

spindle (d) with the raised centre against the

wheel. Be sure the backing flange recess is

seated onto the flats of the spindle by pushing

and twisting the flange before placing the

wheel.

2. Place wheel against the backing flange,

centering the wheel on the raised centre of the

backing flange.

3. While depressing the spindle lock button, thread

the clamp nut (h) on spindle. If the wheel you

are installing is more than 3.17 mm (1/8") thick,

place the threaded clamp nut on the spindle so

that the raised centre fits into the center of the

wheel (Fig. 8A). If the wheel you are installing is

3.17 mm (1/8") thick or less, place the threaded

clamp nut on the spindle so that the raised

centre is not against the wheel (Fig. 8B).

4. While depressing the spindle lock button,

tighten the clamp nut with a wrench.

5. To remove the wheel, depress the spindle lock

button and loosen the threaded clamp nut with

a wrench.

NOTE: If the wheel spins after the clamp nut is

tightened, check the orientation of the threaded

clamp nut. If a thin wheel is installed with the pilot on

the clamp nut against the wheel, it will spin because

the height of the pilot prevents the clamp nut from

holding the wheel.

SURFACE GRINDING WITH GRINDING WHEELS

1. Allow the tool to reach full speed before

touching the tool to the work surface.

2. Apply minimum pressure to the work surface,

allowing the tool to operate at high speed.

Grinding rate is greatest when the tool operates

at high speed.

3. Maintain a 20˚ to 30˚ angle between the

tool and work surface.

4. Continuously move the tool in a forward and

back motion to avoid creating gouges in the

work surface.

5. Remove the tool from work surface before

turning tool off. Allow the tool to stop rotating

before laying it down.

EDGE GRINDING WITH GRINDING WHEELS

WARNING: Wheels used for cutting

and edge grinding may break or kick

back if they bend or twist while the tool

is being used to do cut-off work or deep

grinding. To reduce the risk of serious

injury, limit the use of these wheels with

a standard Type 27 guard to shallow

cutting and notching [less than 13 mm

(1/2") in depth]. The open side of the

guard must be positioned away from

the operator.

1. Allow the tool to reach full speed before

touching the tool to the work surface.

2. Apply minimum pressure to the work surface,

allowing the tool to operate at high speed.

Grinding rate is greatest when the tool operates

at high speed.

3. Position yourself so that the open-underside of

the wheel is facing away from you.

4. Once a cut is begun and a notch is established

in the workpiece, do not change the angle of

the cut. Changing the angle will cause the wheel

to bend and may cause wheel breakage. Edge

grinding wheels are not designed to withstand

side pressures caused by bending.

5. Remove the tool from the work surface before

turning the tool off. Allow the tool to stop

rotating before laying it down.

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DeWalt DC 411 Seite 49

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