STIHL MS 271 Owner's Manual | Page 6

STIHL Chainsaws Owner's Manual - MS 271.
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MS 271, MS 291, MS 291 C

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These conditions reduce the hand's 
ability to feel and regulate temperature, 
produce numbness and burning 
sensations and may cause nerve and 
circulation damage and tissue necrosis.

All factors which contribute to white-
finger disease are not known, but cold 
weather, smoking and diseases or 
physical conditions that affect blood 
vessels and blood transport, as well as 
high vibration levels and long periods of 
exposure to vibration are mentioned as 
factors in the development of whitefinger 
disease. In order to reduce the risk of 
whitefinger disease and carpal tunnel 
syndrome, please note the following:

Most STIHL power tools are 
available with an anti-vibration 
("AV") system designed to reduce 
the transmission of vibrations 
created by the machine to the 
operator's hands. An AV system is 
recommended for those persons 
using power tools on a regular or 
sustained basis.

Wear gloves and keep your hands 
warm. Heated handles, which are 
available on some STIHL 
powerheads, are recommended for 
cold weather use.

Keep the AV system well 
maintained. A power tool with loose 
components or with damaged or 
worn AV elements will tend to have 
higher vibration levels. Keep the 

saw chain sharp. A dull chain will 
increase cutting time, and pressing 
a dull chain through wood will 
increase the vibrations transmitted 
to your hands.

Maintain a firm grip at all times, but 
do not squeeze the handles with 
constant, excessive pressure. Take 
frequent breaks.

All the above-mentioned precautions do 
not guarantee that you will not sustain 
whitefinger disease or carpal tunnel 
syndrome. Therefore, continual and 
regular users should closely monitor the 
condition of their hands and fingers. If 
any of the above symptoms appear, 
seek medical advice immediately.

Proper Clothing

Warning!

The ignition system of the STIHL unit 
produces an electromagnetic field of a 
very low intensity. This field may inter-
fere with some pacemakers. To reduce 
the risk of serious or fatal injury, persons 
with a pacemaker should consult their 
physician and the pacemaker manufac-
turer before operating this tool.

Warning!

To reduce the risk of injury, the operator 
should wear proper protective apparel.

Clothing must be sturdy 
and snug-fitting, but allow 
complete freedom of 
movement. Wear long 
pants made of heavy 
material to help protect 
your legs from contact 
with branches or brush. 
To reduce the risk of cut 
injuries, wear pants or 
chaps that contain pads 
of cut retardant material. 
Avoid loose-fitting jack-
ets, scarfs, neckties, 
jewelry, flared or cuffed 
pants, unconfined long 
hair or anything that 
could become caught on 
branches, brush or the 
moving parts of the unit. 
Secure hair so it is above 
shoulder level.

Good footing is very 
important. Wear sturdy 
boots with nonslip soles. 
Steel-toed safety boots 
are recommended.

Wear an approved safety 
hard hat to reduce the 
risk of injury to your head. 
Chain saw noise may 
damage your hearing. 
Wear sound barriers (ear 
plugs or ear mufflers) to 
help protect your hearing. 
Continual and regular 
users should have their 
hearing checked 
regularly.

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