Bedienungsanleitung Festool HK 85 EB (Seite 19 von 164) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Polnisch, Schwedisch, Norwegisch, Finnisch)

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power cables or the tool's own power ca

ble. Contact with live cables transfers an

electric current to metal components on

the electric power tool and causes electric

shocks.

–When ripping, always use a rip fence or

straight edge guide. This improves the ac

curacy of cut and reduces the chance of

blade binding.

–Always use blades with correct size and

shape (diamond versus round) of arbour

holes. Blades that do not match the mount

ing hardware of the saw will run off-centre,

causing loss of control.

–Never use damaged or incorrect blade

washers or bolt. The blade washers and

bolt were specially designed for your saw,

for optimum performance and safety of op

eration.

Kickback causes and related warnings

– kickback is a sudden reaction to a pinched,

jammed or misaligned saw blade, causing

an uncontrolled saw to lift up and out of the

workpiece toward the operator;

– when the blade is pinched or jammed tight

ly by the kerf closing down, the blade stalls

and the motor reaction drives the unit rap

idly back toward the operator;

– if the blade becomes twisted or misaligned

in the cut, the teeth at the back edge of the

blade can dig into the top surface of the

wood causing the blade to climb out of the

kerf and jump back toward the operator.

Kickback is the result of saw misuse and/or in

correct operating procedures or conditions and

can be avoided by taking proper precautions as

given below.

–Maintain a firm grip with both hands on

the saw and position your arms to resist

kickback forces. Position your body to ei

ther side of the blade, but not in line with

the blade. Kickback could cause the saw to

jump backwards, but kickback forces can

be controlled by the operator, if proper pre

cautions are taken.

–When blade is binding, or when interrupt

ing a cut for any reason, release the trig

ger and hold the saw motionless in the

material until the blade comes to a com

plete stop. Never attempt to remove the

saw from the work or pull the saw back

ward while the blade is in motion or kick

back may occur. Investigate and take cor

rective actions to eliminate the cause of

blade binding.

–When restarting a saw in the workpiece,

centre the saw blade in the kerf so that

the saw teeth are not engaged into the

material. If a saw blade binds, it may walk

up or kickback from the workpiece as the

saw is restarted.

–Support large panels to minimise the risk

of blade pinching and kickback. Large pan

els tend to sag under their own weight.

Supports must be placed under the panel

on both sides, near the line of cut and near

the edge of the panel.

–Do not use dull or damaged blades. Un

sharpened or improperly set blades pro

duce narrow kerf causing excessive fric

tion, blade binding and kickback.

–Blade depth and bevel adjusting locking

levers must be tight and secure before

making the cut. If blade adjustment shifts

while cutting, it may cause binding and

kickback.

–Use extra caution when sawing into exist

ing walls or other blind areas. The pro

truding blade may cut objects that can

cause kickback.

Lower guard function

–Check the lower guard for proper closing

before each use. Do not operate the saw if

the lower guard does not move freely and

close instantly. Never clamp or tie the

lower guard into the open position. If the

saw is accidentally dropped, the lower

guard may be bent. Raise the lower guard

with the retracting handle and make sure it

moves freely and does not touch the blade

or any other part, in all angles and depths

of cut.

–Check the operation of the lower guard

spring. If the guard and the spring are not

operating properly, they must be serviced

before use. Lower guard may operate slug

gishly due to damaged parts, gummy de

posits, or a build-up of debris.

–The lower guard may be retracted man

ually only for special cuts such as "plunge

cuts" and "compound cuts". Raise the low

er guard by the retracting handle and as

soon as the blade enters the material, the

lower guard must be released. For all oth

er sawing, the lower guard should operate

automatically.

English

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Festool HK 85 EB Seite 19

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