Stihl MS 290 Instruction Manual page 14

English
On trees that are difficult to fell (oak,
–
beech), to prevent heartwood
splintering and maintain planned
direction of fall.
On soft deciduous trees to relieve
–
tension in lying log and prevent
slivers in the center of the hinge
being torn out of the log.
Make the plunge cut in the center of
N
the felling notch – there is a danger
of pushback at this point – then
swing the bar in the direction of the
arrow.
Limbing
Do not attempt limbing unless you have
been trained in the necessary
techniques. To reduce the risk of
accidents and injury, do not attempt
felling or limbing if you are not an
experienced chain saw user.
Use a low kickback chain.
–
Work with the saw supported
–
wherever possible.
Do not stand on the log while
–
limbing it.
Do not cut with the bar nose.
–
Watch for limbs which are under
–
tension.
Never cut several limbs at once.
–
12
When cutting small logs
Use a sturdy and stable support –
–
sawhorse.
Never hold the log with your leg or
–
foot.
Never allow another person to hold
–
the log or help in any other way.
Lying or standing logs under tension
Always make cuts in the correct
sequence (first at the compression
side (1), then at the tension side (2), the
saw may otherwise pinch or kick back–
risk of injury.
1
2
2
1
Make relieving cut at the
N
compression side (1)
Make bucking cut at the tension
N
side (2)
Be wary of pushback when making
bucking cut from the bottom upwards
(underbuck).
Do not cut a lying log at a point where it
is touching the ground because the saw
chain will otherwise be damaged.
Ripping cut
Cutting technique in which the bumper
spike is not used – risk of pull-in – start
the cut with the guide bar at the
shallowest possible angle – take extra
care since there is an increased danger
of kickback.
MS 290, MS 310, MS 390