Working With The Chain Saw; Pruning Trees - Makita BUC250 Manuel D'instruction

completely emptied, add oil up to the bottom edge
of the filler neck. The oil delivery may otherwise be
impaired.
As a saw chain oil, use oil exclusively for Makita
•
chain saws or oil available in market.
Never use oil including dust and particles or volatile
•
oil.
When pruning trees, use botanical oil. Mineral oil
•
may harm trees.
Never force the chain saw when pruning trees.
•
Before cutting out, make sure that the provided oil
•
tank cap is screwed in place.
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Hold the chain saw away from the tree. Start it and wait
until lubrication on saw chain is adequate.
Bring the lower guide into contact with the branch to be
cut before switching on. Cutting without bringing the
lower guide into contact with the branch may cause the
guide bar to wobble, resulting in injury to operator.
Saw the wood to be cut by just moving it down.

WORKING WITH THE CHAIN SAW

The first time user should, as a minimum practice, do
cutting logs on a saw-horse or cradle.

Pruning trees

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CAUTION:
Keep all parts of the body away from the saw chain
•
when the motor is operating.
Hold the chain saw firmly with both hands when the
•
motor is running.
Do not overreach. Keep proper footing and balance
•
at all times.
Bring the lower guide into contact with the branch to be
cut before switching on. Cutting without bringing the
lower guide into contact with the branch may cause the
guide bar to wobble, resulting in injury to operator.
1. Lower guide
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008576
When cutting thick branches, first make a shallow
undercut and then make the finish cut from the top.
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If you try to cut off thick branches from the bottom, the
branch may close in and pinch the saw chain in the cut.
If you try to cut off thick branches from the top without a
shallow undercut, the branch may splinter.
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If you cannot cut the timber right through with a single
stroke:
Apply light pressure to the handle and continue sawing
and draw the chain saw back a little; then apply the spike
a little lower and finish the cut by raising the handle.
Bucking
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For bucking cuts, rest the serrated rail shown in the figure
on the wood to be cut.
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