Ryobi P542 Manuel d'utilisateur télécharger pdf (Page 5)

5 - English

IN THE CUTTING/WORK AREA

 Do not operate a chain saw in a tree, on a ladder,

rooftop or scaffold; this is extremely dangerous.

 Keep ALL children, bystanders, visitors, and

animals out of the work area while starting or

cutting with the chain saw.

NOTE: The size of the work area depends on the

job being performed as well as the size tree or work

piece involved. For example, felling a tree requires

a larger work area than making bucking cuts.

 Never start cutting until you have a clear work

area, secure footing, and a planned retreat path

from the falling tree. Cluttered area invite injuries.

 Do not expose the chain saw to rain.

 Do not use the chain saw in damp or wet locations.

 Do not use the chain saw near flammable liq-

uids, gases, or in any type of explosive atmo-

sphere.

 Use extreme caution when cutting small size

brush and saplings, because slender mate-

rial may catch the saw chain and be whipped

toward you or pull you off balance.

 When cutting a limb that is under tension, be

alert for spring back so that you will not be

struck when the tension in the wood fibers is

released.

 Do not force the chain saw. The job can be per-

formed better and safer at the rate for which it

was intended.

 Always use the right product for your applica-

tion. The chain saw should be used for cutting

wood only. Never use the chain saw to cut plas-

tic, masonry or non-wood building materials.

 Do not use the chain saw for purposes not

intended.

GENERAL SAFETY RULES

 Store idle chain saw when not in use. Chain saw

should be stored in a dry and high or locked area

out of the reach of children. When storing chain

saw, remove battery and place the scabbard on

the bar and chain or store the chain saw in a

carry case.

 Remove the battery pack from the chain saw

before cleaning, servicing, storing, removing

material from the unit, changing accessories

such as the bar and chain, or when not in use.

UNDERSTANDING YOUR CHAIN SAW

SAFETY DEVICES

LOW KICKBACK SAW CHAIN

The rakers (depth gauges) ahead of each cutter

can minimize the force of a kickback reaction by

preventing the cutters from digging in too deeply at

the kickback zone. Only use replacement chain that

is equivalent to original chain or has been certified

as low kickback chain per ANSI B175.1.

Low kickback saw chain is chain that has met

the kickback performance requirements of ANSI

B175.1 - 1991 (American National Standard for

Power Tools - Gasoline-Powered Chain Saws-

Safety Requirements) when tested on the repre-

sentative sample of chain saws below 3.8 c.i.d.

specified in ANSI B175.1 - 1991.

As saw chains are sharpened during their useful

life, they lose some of the low kickback qualities

and extra caution should be used.

GUIDE BARS

Generally, guide bars with small radius tips have

somewhat lower kickback potentials.

When making a replacement, be sure to order one

of the Ryobi bars listed for the saw in this opera-

tor’s manual.

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Ryobi P542 Manuel d'utilisateur Page 5

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