Stihl MSA 300.0 Instruction Manual page 42

English
► If you begin to feel tired: Take a break.
■ The rotating saw chain can cut the operator.
This can result in serious injuries.
► Do not touch the rotating saw chain.
► If the saw chain is blocked by an object:
Switch off the chainsaw, engage the chain
brake and remove the battery. Then
remove the object causing the blockage.
■ The rotating chain becomes hot and expands.
If the chain is not lubricated sufficiently or not
re-tensioned at regular intervals, it may come
off the guide bar or break. This can result in
serious injuries and damage to property.
► Use special chain oil.
► Check oil level in tank regularly during cut‐
ting work. Before the oil tank runs empty:
Fill up with chain oil.
► Check chain tension regularly during cutting
work. If chain tension is insufficient: Ten‐
sion the chain.
■ If the behavior of the saw changes during
operation or feels unusual, it may no longer be
in a safe condition. This can result in serious
injuries and damage to property.
► Stop work, remove the battery and contact
your STIHL servicing dealer for assistance.
■ Saw vibrations may occur during operation.
► Wear gloves.
► Take regular breaks.
► If signs of circulation problems occur: Seek
medical advice.
■ Sparks may occur if the rotating chain makes
contact with a hard object. Sparks may cause
a fire in an easily combustible location. This
can result in serious or fatal injuries and dam‐
age to property.
► Do not work in an easily combustible loca‐
tion.
■ Note that the saw chain continues to rotate for
a short period after you release the trigger.
The rotating saw chain can cut the user. This
can result in serious injuries.
► Wait for the chain to come to a standstill.
WARNING
1
2
■
42
The guide bar can be pinched when cutting
wood that is under tension. The user can lose
control of the saw and be seriously injured.
► Make a relieving cut in the compression
■ Working near live electric cables can result in
accidental contact with the chain and damage
the cables. This can result in serious or fatal
injuries.
► Do not work near live electric cables.
4.7.2
■ If the underside of the felled tree is limbed
first, it will no longer be supported on the
ground by branches. The tree can move dur‐
ing cutting work. This can result in serious or
fatal injuries.
► Cut through large limbs on the underside of
► Do not stand on the log while limbing it.
■ A branch may fall to the ground during limbing.
The user may trip, fall or be seriously injured.
► Limb from the base to the crown of the tree.
4.7.3
■ Inexperienced users cannot assess the dan‐
gers when felling a tree. Persons may be seri‐
ously or fatally injured and property may be
damaged.
► The user needs relevant knowledge of fell‐
► If anything is unclear, consult an experi‐
■ A tree and branches can fall on bystanders or
objects during felling. The larger the falling
parts are, the greater the risk of serious or
fatal injury to people. Damage to property may
occur.
► Determine direction of fall so that the area
2
► Do not allow bystanders, children or ani‐
1
► Remove broken or dead branches from the
side (1) first, then perform bucking cut at
the tension side (2).
DANGER
Limbing
WARNING
the tree only after it has been bucked.
Felling
WARNING
ing technology and experience of felling
work.
enced expert for assistance and to deter‐
mine the appropriate felling technique.
in which the tree falls is clear.
mals within 2.5 tree lengths of the work
area.
tree crown before felling.
4 Safety Precautions
0458-009-9801-A