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22
OPERATION
WARNING: Never use the machine without a guard or
with a defective guard.
WARNING:The complete clutch cover and shaft must
be fitted before the machine is started, otherwise the
clutch can come loose and cause personal injury.
Ensure the cutting attachment cannot come into
contact with any object. Make sure no unauthorised
persons are in the working area, otherwise there is a
risk of serious personal injury.The safety distance is
50 ft (15 metres).
Working methods
WARNING: Avoid cutting with the area of the blade
between the 12 o’clock and 3 o’clock positions.
Because of the speed of rotation of the blade kickout
can occur if you attempt to cut thick stems with this
area of the blade.
Forestry clearing
• Before you start clearing, check the clearing area, the type of
terrain, the slope of the ground, whether there are stones,
hollows etc.
• Start at whichever end of the area is easiest, and clear an open
space from which to work.
• Work systematically to and fro across the area, clearing a width
of around 13-16 ft (4-5 m) on each pass. This exploits the full
reach of the machine in both directions and gives the operator
a convenient and varied working area to work in.
• Clear a strip around 250 ft (75 m) long. Move your fuel can as
work progresses.
• On sloping ground you should work along the slope. It is much
easier to work along a slope than it is to work up and down it.
• You should plan the strip so that you avoid going over ditches
or other obstacles on the ground. You should also orient the
strip to take advantage of wind conditions, so that cleared
stems fall in the cleared area of the stand.
Forestry clearing using a saw blade.
• The risk of kickout increases with increasing stem size. You
should therefore avoid cutting with the area of the blade
between 12 o’clock and 3 o’clock. (Fig. 50)
• To fell to the left, the bottom of the tree should be pushed to the
right. Tilt the blade and bring it diagonally down to the right,
exerting firm pressure. At the same time push the stem using
the blade guard. Cut with the area of the blade between 3 o’clock
and 5 o’clock. Apply full throttle before advancing the blade.
(Fig. 51)
• To fell to the right, the bottom of the tree should be pushed to
the left. Tilt the blade and bring it diagonally up to the right. Cut
with the area of the blade between 3 o’clock and 5 o’clock so
that the direction of rotation of the blade pushes the bottom of
the tree to the left. (Fig. 52)
• To fell a tree forwards, the bottom of the tree should be pulled
backwards. Pull the blade backwards with a quick, firm movement.
(Fig. 53)
• If the stems are tightly packed, adapt your walking pace to suit.
• If the blade jams in a stem, never jerk the machine free. If you
do this the blade, bevel gear, shaft or handlebar may be
52
53
50
51
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