English
Disposal
Observe all country-specific waste
disposal rules and regulations.
STIHL products must not be thrown in
the garbage can. Take the product,
accessories and packaging to an
approved disposal site for environment-
friendly recycling.
Contact your STIHL servicing dealer for
the latest information on waste disposal.
50
Important Safety Instructions
1
Fatigue causes carelessness. Be
more cautious before rest periods
and before the end of your shift.
2
Personal protective clothing
required by your safety
organizations, government
regulations, or your employer
should be used. At all times when
using a chain saw, snug-fitting
clothing, protective eyewear, safety
footwear, and hand, leg, and
hearing protection should be worn.
3
Before fuelling, servicing, or trans-
porting your chain saw, switch off
the engine. To help prevent fire,
restart your chain saw at least 3 m
from the fuelling area.
4
When using a chain saw, a fire
extinguisher should be available.
5
When felling, keep at least 2 1/2 tree
lengths between yourself and your
fellow workers.
6
Plan your work, assure yourself of
an obstacle-free work area and, in
the case of felling, of an escape
path from the falling tree.
7
Follow instructions in your
operator's manual for starting the
chain saw and control the chain saw
with a firm grip on both handles
when it is in operation. Keep
handles dry, clean and free of oil. A
chain saw should never be carried
with the engine running.
8
When transporting your chain saw,
use the appropriate transportation
covers that should be available for
the guide bar and saw chain.
9
Never operate a chain saw that is
damaged or improperly adjusted or
that is not completely and securely
assembled. Be sure that the saw
chain stops moving when the
throttle control trigger is released.
Never adjust the guide bar or saw
chain when the engine is operating.
10 Beware of carbon monoxide
poisoning. Operate the chain saw in
well ventilated areas only.
11 Do not attempt a pruning or limbing
operation in a standing tree unless
specifically trained to do so.
12 Guard against kickback. Kickback is
the upward motion of the guide bar
that occurs when the saw chain, at
the nose of the guide bar, contacts
an object. Kickback can lead to
dangerous loss of control of the
chain saw.
13 The chain saw is intended for two-
handed use. Serious injury to the
operator, helpers, and/or
bystanders can result from one-
handed operation.
14 When carrying the chain saw with
the engine running, engage the
chain brake.
15 Allow your chain saw to cool before
fuelling, and do not smoke.
16 Don't allow other persons or
animals close to a running chain
saw or close to where a tree is being
felled.
MS 231, MS 231 C, MS 251, MS 251 C