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WORKING TECHNIQUES
26 – English
In most cases you can avoid these problems by cutting in
two stages; from the top and from the bottom. You need to
support the object so that it will not trap the chain or split
during cutting.
The following instructions describe how to handle the
common situations you are likely to encounter when using
a chain saw.
Cutting
The log is lying on the ground. There is little risk of the
chain jamming or the object splitting. However there is a
risk that the chain will touch the ground when you finish
the cut.
Cut all the way through the log from above. Avoid letting
the chain touch the ground as you finish the cut. Maintain
full throttle but be prepared for what might happen.
- If it is possible (can you turn the log?) stop cutting
about 2/3 of the way through the log.
- Turn the log and finish the cut from the opposite side.
The log is supported at one end. There is a high risk
that it will split.
Start by cutting from below (about 1/3 of the way through).
- Finish by cutting from above so that the two cuts meet.
The log is supported at both ends. There is a high risk
that the chain will jam.
- Start by cutting from above (about 1/3 of the way
through).
- Finish by cutting from below so that the two cuts meet.
Limbing
When limbing thick branches you should use the same
approach as for cutting.
Cut difficult branches piece by piece.
!
WARNING! If the chain jams in the cut:
stop the engine! Don’t try to pull the
chain saw free. If you do you may be
injured by the chain when the chain saw
suddenly breaks free. Use a lever to
open up the cut and free the chain saw.