Handleiding DeWalt dw 934 k2 (pagina 37 van 184) (Nederlands, Duits, Engels, Frans, Italiaans, Portugees, Spaans, Spaans, Pools, Turks, Deens, Zweeds, Noors)

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the blade teeth should be visible below the

workpiece.

d) Never hold piece being cut in your hands

or across your leg. Secure the workpiece

to a stable platform. It is important to

support the work properly to minimize body

exposure, blade binding, or loss of control.

e) Hold power tool by insulated gripping

surfaces when performing an operation

where the cutting tool may contact hidden

wiring. Contact with a “live” wire will also

make exposed metal parts of the power tool

“live” and shock the operator.

f) When ripping always use a rip fence or

straight edge guide. This improves the

accuracy of cut and reduces the chance of

blade binding.

g) Always use blades with correct size

and shape (diamond versus round) of

arbour holes. Blades that do not match

the mounting hardware of the saw will run

eccentrically, causing loss of control.

h) 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

operation.

i) Keep your body positioned to either

side of the blade, but not in line with the

saw blade. KICKBACK could cause the

saw to jump backwards (see Causes and

Operator Prevention of Kickback).

j) CAUTION: Blades coast after turn off.

Serious personal injury may result.

k) Avoid cutting nails. Inspect for and

remove all nails from lumber before

cutting.

Causes and Operator Prevention

of Kickback

– Kickback is a sudden reaction to a pinched,

bound 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 bound tightly

by the kerf closing down, the blade stalls and

the motor reaction drives the unit rapidly 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 incorrect

operating procedures or conditions and can be

avoided by taking proper precautions as given

below:

a) Maintain a firm grip with both hands on

the saw and position your arms to resist

kickback forces. Position your body to

either 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

precautions are taken.

b) When blade is binding, or when

interrupting a cut for any reason, release

the trigger and hold the saw motionless

in the material until the blade comes to a

complete stop. Never attempt to remove

the saw from the work or pull the saw

backward while the blade is in motion or

kickback may occur. Investigate and take

corrective actions to eliminate the cause of

blade binding.

c) When restarting a saw in the workpiece,

centre the saw blade in the kerf and

check that saw teeth are not engaged into

the material. If saw blade is binding, it may

walk up or kickback from the workpiece as

the saw is restarted.

d) Support large panels to minimise the risk

of blade pinching and kickback. Large

panels 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.

e) Do not use dull or damaged blades.

Unsharpened or improperly set blades

produce narrow kerf causing excessive

friction, blade binding and kickback.

f) Blade depth and bevel adjusting locking

levers must be tight and secure before

making cut. If blade adjustment shifts while

cutting, it may cause binding and kickback.

g) Use extra caution when making a “plunge

cut” into existing walls or other blind

areas. The protruding blade may cut objects

that can cause kickback.

Lower Guard Safety Instructions

a) Check lower guard for proper closing

before each use. Do not operate the

saw if lower guard does not move freely

and close instantly. Never clamp or tie

the lower guard into the open position.

If saw is accidentally dropped, 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.

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