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Insert wedges on time to avoid pinching of the saw chain.
●
Fell the tree by driving a wedge rather than cutting through the whole trunk.
●
When felling trees observe all safety rules and do as follows:
When the chain is pinched, switch off the chain saw and release the chain with a wedge. Wedge should be made
●
of wood or plastic. Never use steel or cast iron wedge.
Falling tree may pull other trees.
●
Danger zone radius is 2.5 height of the falling tree (fig. M).
●
If the operator is inexperienced or amateur it is recommended to have a training rather than gaining the
●
experience without supervision.
Do not fell trees when:
Conditions in danger zone cannot be determined due to fog, rain, snow or darkness.
●
Line of tree felling cannot be determined due to wind or wind blows.
●
CUTTING THROUGH TRUNKS
● Press the bumper spike (
19
) against the material and make a cut (
fig. O
).
If the cutting cannot be finished even after the chain saw range is fully utilized, do as follows:
●
Move the guide bar back from the cut material to a certain distance (with cutting chain still operating) and move the main
●
handle (
12
) a little down, support the bumper spike (
19
) and finish the cut by lifting the main handle (
12
) a little.
CUTTING A TRUNK LYING ON THE GROUND
●
Always keep good feet and ground grip. Do not stand on the trunk.
Watch out for possibility of the trunk rotation.
●
Observe manual guidelines related to work safety to avoid the chain saw recoil.
●
Always finish cutting at the side opposite to compressive stress to avoid pinching the chain in kerf.
●
● Before starting to work check the stress direction in the trunk that is to be cut, to avoid pinching chain of the saw.
To eliminate stress, the first cut should be made at the tension side.
●
When cutting a trunk that is lying on the gound, first make a cut deep 1/3 of the trunk diameter, then turn the trunk over
●
and finish cutting at the opposite side.
When cutting a trunk that is lying on the ground, do not allow to sink the cutting chain into the ground under the trunk.
●
Negligence may cause immediate damage to the chain.
When cutting trunk that is lying on the slope, the operator should always be at the slope side above the trunk.
●
CUTTING A TRUNK LIFTED ABOVE THE GROUND
In case the log is supported or placed on stable sawing horse, depending on the place of operation, make the cut 1/3 of the
trunk diameter deep on the side under tension and finish cutting on the opposite side (
fig. P
and
R
).
TRIMMING / CUTTING BUSHES AND TREE BRANCHES
● Start cutting branches of a felled tree at its base and continue towards top of the tree. Do small branches with a single cut.
First, check which way the branch bends. Then make a cut from the inside of the bend and finish cutting on the opposite
●
side. Be careful, the branch being cut may spring back.
When trimming tree branches, always cut downward to enable free fall of cut branch. However, sometimes undercutting
●
the branch from the bottom may be helpful (
fig. S
).
Be very careful when cutting a branch that may be under stress. Such branch may spring aside and hit the operator.
●
Do not cut branches when climbing up the tree. Do not stand on ladder, platforms, logs or positions that may
cause loss of balance and control over the chain saw. Do not cut above level of your shoulders. Always hold the
chain saw with both hands.
OPERATION AND MAINTENANCE
Ensure the engine is switched off and is cold before cleaning, checking or repairing the chain saw. Disconnect
wire from the ignition plug to prevent accidental start up of the engine.
Содержание 58G945
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