Bedienungsanleitung Makita HR2661 (Seite 11 von 22) (Deutsch)

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11 ENGLISH

Installing or removing dust

collection system

Toremovethedustcollectionsystem,pullthetoolwhile

pressingthelock-offbutton.Toinstallit,insertthetool

into the dust collection system all the way until it locks in

place with a little click.

►Fig.19: 1. Lock-off button

Dust cup

Optional accessory

Use the dust cup to prevent dust from falling over the

tool and on yourself when performing overhead drilling

operations.Attachthedustcuptothebitasshownin

thegure.Thesizeofbitswhichthedustcupcanbe

attached to is as follows.

Model Bit diameter

Dust cup 5 6 mm - 14.5 mm

Dust cup 9 12 mm - 16 mm

►Fig.20: 1. Dust cup

Dust cup set

Optional accessory

Before installing the dust cup set, remove the bit from

the tool if installed.

Install the dust cup set on the tool so that the

sym-

bol on the dust cup is aligned with the groove in the tool.

►Fig.21: 1. symbol 2. Groove

NOTE: If you connect a vacuum cleaner to the dust

cup set, remove the dust cap before connecting it.

►Fig.22: 1. Dust cap

Toremovethedustcupset,removethebitwhilepulling

the chuck cover in the direction of the arrow.

►Fig.23: 1. Bit 2. Chuck cover

Hold the root of dust cup and pull it out.

►Fig.24

NOTE: If the cap comes off from the dust cup, attach

it with its printed side facing up so that groove on the

captsintheinsideperipheryoftheattachment.

►Fig.25

OPERATION

CAUTION: Always use the side grip (auxiliary

handle) and rmly hold the tool by both side grip

and switch handle during operations.

CAUTION: Always make sure that the work-

piece is secured before operation.

CAUTION: The dust collection system is

intended for drilling in concrete only. Do not use

the dust collection system for drilling in metal or

wood.

CAUTION: When using the tool with the dust

collection system, be sure to attach the lter

to the dust collection system to prevent dust

inhalation.

CAUTION: Before using the dust collection

system, check that the lter is not damaged.

Failure to do so may cause dust inhalation.

CAUTION: The dust collection system col-

lects the generated dust at a considerable rate,

but not all dust can be collected.

NOTICE: Do not use the dust collection system

for core drilling or chiseling.

NOTICE: Do not use the dust collection system

for drilling in wet concrete or use this system

in wet environment. Failure to do so may cause

malfunction.

►Fig.26

Hammer drilling operation

CAUTION:Thereistremendousandsudden

twistingforceexertedonthetool/drillbitatthetimeof

hole break-through, when the hole becomes clogged

with chips and particles, or when striking reinforcing

rods embedded in the concrete. Always use the side

grip (auxiliary handle) and rmly hold the tool by

both side grip and switch handle during opera-

tions. Failure to do so may result in the loss of control

ofthetoolandpotentiallysevereinjury.

Set the action mode changing knob to the symbol.

Position the drill bit at the desired location for the hole,

then pull the switch trigger. Do not force the tool. Light

pressure gives best results. Keep the tool in position

and prevent it from slipping away from the hole.

Do not apply more pressure when the hole becomes

clogged with chips or particles. Instead, run the tool at

an idle, then remove the drill bit partially from the hole.

By repeating this several times, the hole will be cleaned

out and normal drilling may be resumed.

NOTE: Eccentricity in the drill bit rotation may occur

whileoperatingthetoolwithnoload.Thetoolauto-

maticallycentersitselfduringoperation.Thisdoesnot

affect the drilling precision.

Chipping/Scaling/Demolition

Set the action mode changing knob to the symbol.

Holdthetoolrmlywithbothhands.Turnthetoolon

and apply slight pressure on the tool so that the tool will

not bounce around, uncontrolled.

Pressing very hard on the tool will not increase the

efciency.

►Fig.27

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