Stihl 036 Instruction Manual - Page 19

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Felling is cutting down a tree. 001BA037 LÄ 001BA038 LÄ Before felling a tree, consider carefully all conditions which may affect the direction of fall, including: The intended direction of the fall. Pull-in occurs when the chain on the bottom of the bar is suddenly stopped when it is pinched, caught or encounters a foreign object in the wood. The reaction of the chain pulls the saw forward and may cause the operator to lose control. Pull-in frequently occurs when the bumper spike of the saw is not held securely against the tree or limb and when the chain is not rotating at full speed before it contacts the wood. Use extreme caution when cutting small size brush and saplings which may easily catch the chain and pull you off balance. 1. Always start a cut with the chain rotating at full speed and the bumper spike in contact with the wood. 2. Pull-in may also be prevented by using wedges to open the kerf or cut. Pushback occurs when the chain on the top of the bar is suddenly stopped when it is pinched, caught or encounters a foreign object in the wood. The reaction of the chain drives the saw straight back toward the operator and may cause loss of saw control. Pushback frequently occurs when the top of the bar is used for cutting. 1. Be alert to forces or situations that may cause material to pinch the top of the chain. 2. Do not cut more than one log at a time. 3. Do not twist the saw when withdrawing the bar from a plunge cut or underbuck cut because the chain can pinch. The natural lean of the tree. Any unusually heavy limb structure. Surrounding trees and obstacles. The wind direction and speed. Always observe the general condition of the tree. Inexperienced users should never attempt to cut trees which are decayed or rotted inside or which are leaning or otherwise under tension. There is an increased risk that such trees could snap or split while being cut and cause serious or fatal injury to the operator or bystanders. Also look for broken or dead branches which could vibrate loose and fall on the operator. When felling on a slope, the operator should stand on the uphill side if possible.

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$²°²3XOO¿LQµ
Pull-in occurs when the chain on the
bottom of the bar is suddenly stopped
when it is pinched, caught or encounters
a foreign object in the wood. The reaction
of the chain pulls the saw forward and
may cause the operator to lose control.
Pull-in frequently occurs when the
bumper spike of the saw is not held
securely against the tree or limb and
when the chain is not rotating at full
speed before it contacts the wood.
±
:DUQLQJ±²
Use extreme caution when cutting small
size brush and saplings which may easily
catch the chain and pull you off balance.
7R²DYRLG²SXOO¿LQ
1.
Always start a cut with the chain
rotating at full speed and the bumper
spike in contact with the wood.
2.
Pull-in may also be prevented by using
wedges to open the kerf or cut.
%²°²3XVKEDFNµ
Pushback occurs when the chain on the
top of the bar is suddenly stopped when
it is pinched, caught or encounters a
foreign object in the wood. The reaction
of the chain drives the saw straight back
toward the operator and may cause loss
of saw control. Pushback frequently
occurs when the top of the bar is used for
cutting.
7R²DYRLG²SXVKEDFN
1.
Be alert to forces or situations that
may cause material to pinch the top
of the chain.
2.
Do not cut more than one log at a time.
3.
Do not twist the saw when
withdrawing the bar from a plunge
cut or underbuck cut because the
chain can pinch.
&XWWLQJ²7HFKQLTXHV
)HOOLQJ
Felling is cutting down a tree.
Before felling a tree, consider carefully all
conditions which may affect the direction
of fall, including:
The intended direction of the fall.
The natural lean of the tree.
Any unusually heavy limb structure.
Surrounding trees and obstacles.
The wind direction and speed.
±
:DUQLQJ±²
Always observe the general condition of
the tree. Inexperienced users should
never attempt to cut trees which are
decayed or rotted inside or which are
leaning or otherwise under tension.
There is an increased risk that such trees
could snap or split while being cut and
cause serious or fatal injury to the
operator or bystanders. Also look for
broken or dead branches which could
vibrate loose and fall on the operator.
When felling on a slope, the operator
should stand on the uphill side if
possible.
001BA037 L
Ä
001BA038 L
Ä
»·