DIAQUIP QHS-400 Manuel de l'opérateur - Page 5

Parcourez en ligne ou téléchargez le pdf Manuel de l'opérateur pour {nom_de_la_catégorie} DIAQUIP QHS-400. DIAQUIP QHS-400 18 pages. Electric handsaw

Imprimer la page

SAFETY INSTRUCTIONS FOR

CUTTING-OFF OPERATIONS

Cut-off machine safety warnings (continued)

i. Wear personal protective equipment. Depending on application, use face

shield, safety goggles or safety glasses. As appropriate, wear dust mask,

hearing protectors, gloves and shop apron capable of stopping small

abrasive or workpiece fragments. The eye protection must be capable of

stopping flying debris generated by various operations. The dust mask or respirator

must be capable of filtrating particles generated by your operation. Prolonged

exposure to high intensity noise may cause hearing loss.

j. Keep bystanders a safe distance away from work area. Anyone entering the

work area must wear personal protective equipment. Fragments of workpiece

or of a broken wheel may fly away and cause injury beyond immediate area of

operation.

k. Hold the power tool by insulated gripping surfaces only, when performing an

operation where the cutting accessory may contact hidden wiring or its own

cord. Cutting accessory contacting a "live" wire may make exposed metal parts of

the power tool "live" and could give the operator an electric shock.

l. Position the cord clear of the spinning accessory. If you lose control, the cord

may be cut or snagged and your hand or arm may be pulled into the spinning

wheel.

m. Never lay the power tool down until the accessory has come to a complete

stop. The spinning wheel may grab the surface and pull the power tool out of your

control.

n. Do not run the power tool while carrying it at your side. Accidental contact with

the spinning accessory could snag your clothing, pulling the accessory into

your body.

o. Regularly clean the power tool's air vents. The motor's fan will draw the dust

inside the housing and excessive accumulation of powdered metal may cause

electrical hazards.

p. Do not operate the power tool near flammable materials. Sparks could ignite

these materials.

/08

SAFETY INSTRUCTIONS FOR

CUTTING-OFF OPERATIONS

WWW.DIAQUIP.CO.UK

Cut-Off Machine Safety Warnings -

Kickback and Related Warnings

Kickback is a sudden reaction to a pinched or snagged rotating wheel. Pinching or

snagging causes rapid stalling of the rotating wheel which in turn causes the

uncontrolled power tool to be forced in the direction opposite of the wheel's rotation at

the point of the binding.

For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge

of the wheel that is entering into the pinch point can dig into the surface of the material

causing the wheel to climb out or kick out. The wheel may either jump toward or away

from the operator, depending on direction of the wheel's movement at the point of

pinching. Abrasive wheels may also break under these conditions.

Kickback is the result of power tool misuse and/or incorrect operating procedures or

conditions and can be avoided by taking proper precautions as given below.

a. Maintain a firm grip on the power tool and position your body and arm to allow

you to resist kickback forces. Always use auxiliary handle, if provided, for

maximum control over kickback or torque reaction during start-up. The

operator can control torque reactions or kickback forces, if proper precautions

are taken.

b. Never place your hand near the rotating accessory. Accessory may kickback

over your hand.

c. Do not position your body in line with the rotating wheel. Kickback will propel

the tool in a direction opposite to the wheel's movement at the point of snagging.

d. Use special care when working corners, sharp edges etc. Avoid bouncing and

snagging the accessory. Corners, sharp edges or bouncing have a tendency to

snag the rotating accessory and cause loss of control or kickback.

e. Do not attach a saw chain, woodcarving blade, segmented diamond wheel

with a peripheral gap greater than 10 mm or toothed saw blade. Such blades

create frequent kickback and loss of control.

f. Do not "jam" the wheel or apply excessive pressure. Do not attempt to make

an excessive depth of cut. Overstressing the wheel increases the loading and

susceptibility to twisting or binding of the wheel in the cut and the possibility of

kickback or wheel breakage.

/09