Stihl MSA 200 C Instruction Manual page 59

Pushback (B)
Pushback occurs when the chain on the
top of the bar is suddenly pinched,
caught or encounters a foreign object in
the wood. The reaction of the chain
drives the saw straight back toward the
operator. To avoid pushback.
Be alert to situations that may cause
–
the top of the guide bar to be
pinched
Do not twist the guide bar in the cut.
–
Exercise extreme caution
with leaners
–
with trees that have fallen
–
unfavorably between other trees
and are under strain
when working in blowdown areas.
–
Do not work with the chainsaw in such
circumstances. Use block and tackle,
cable winch or tractor.
Pull out exposed and cleared logs.
Select clear area for cutting.
Deadwood (dry, decayed or rotted
wood) represents a considerable risk
that is difficult to assess. Identifying the
extent of the dangers is complicated, if
not impossible. Use aids such as a cable
winch or tractor in such cases.
MSA 200 C
When felling in the vicinity of roads,
railways, power lines, etc., take extra
precautions. If necessary, inform the
police, utility company or railway
authority.
Cutting
Work calmly and carefully – in daylight
B
conditions and only when visibility is
good. Ensure you do not endanger
others – stay alert at all times.
First-time users are advised to practice
cutting logs on a sawhorse – see "When
cutting small logs".
Use the shortest possible guide bar: The
chain, guide bar and chain sprocket
must match each other and your saw.
Position the saw so that your body is
clear of the cutting attachment.
Always pull the saw out of the cut with
the chain running.
Use your chainsaw for cutting only. It is
not designed for prying or shoveling
away limbs, roots or other objects.
Do not underbuck freely hanging limbs.
To reduce the risk of injury, take special
care when cutting shattered wood
because of the risk of injury from slivers
being caught and thrown in your
direction.
Make sure your power tool does not
touch any foreign materials: Stones,
nails, etc. may be flung off, damage the
saw chain or cause the saw to kick back
unexpectedly.
If on a slope, stand on the uphill side of
the log. Watch out for rolling logs.
When working at heights:
Always use a lift bucket
–
Never work on a ladder or in a tree
–
Never work on an insecure support
–
Do not work above shoulder height
–
Never operate your power tool with
–
one hand
Begin cutting with the saw at full throttle
and engage the spiked bumper firmly in
the wood, and then continue cutting.
English
57