To free a trapped tree
WARNING:
remove a trapped tree and there is a high
accident risk. Keep out of the risk zone and
do not try to fell a trapped tree.
(Fig. 76)
The safest procedure is to use one of the following
winches:
•
Tractor-mounted
(Fig. 77)
•
Portable
(Fig. 78)
To cut trees and branches that are in tension
1. Figure out which side of the tree or branch that is in
tension.
2. Figure out where the point of maximum tension is.
(Fig. 79)
3. Examine which is the safest procedure to release the
tension.
Note:
In some situations the only safe procedure
is to use a winch and not your product.
Introduction
WARNING:
safety chapter before you do maintenance
on the product.
Maintenance schedule
Daily maintenance
Clean the external parts of the prod-
uct and make sure that there is no oil
on the handles.
Do a check of the throttle trigger and
throttle trigger lockout. Refer to
do a check of the throttle trigger and
throttle trigger lockout on page 21 .
Make sure that there is no damage
on the vibration damping units.
Clean and do a check of the chain
To do a check of
brake. Refer to
the chain brake on page 21To do a
check of the front hand guard and the
chain brake activation on page 20 .
930 - 007 - 06.03.2023
It is very dangerous to
Maintenance
Read and understand the
Weekly maintenance
Clean the cooling system. Refer to
To clean the cooling system on page
25 .
Do a check of the starter, starter rope
To
and return spring.
Lubricate the needle bearing. Refer
To do a check of the spur sprocket
to
on page 24 .
Remove burrs from the edges of the
guide bar. Refer to
the guide bar on page 24 .
4. Keep a position where the tree or branch can not hit
you when the tension is released. (Fig. 80)
5. Make one or more cuts of sufficient depth necessary
to decrease the tension. Cut at or near the point of
maximum tension. Make the tree or branch break at
the point of maximum tension. (Fig. 81)
WARNING:
through a tree or branch that is in
tension.
WARNING:
you cut a tree that is in tension. There is
a risk that the tree moves quickly before
or after you cut it. Serious injury can
occur if you are in an incorrect position
or if you cut incorrectly.
6. If you must cut across tree/branch, make 2 to 3 cuts,
1 in. apart and with a depth of 2 in. (Fig. 82)
7. Continue to cut more into the tree until the tree/
branch bends and the tension is released. (Fig. 83)
8. Cut the tree/branch from the opposite side of the
bend, after the tension is released.
Monthly maintenance
Do a check of the brake band. Refer
To do a check of the brake band
to
on page 20 .
Do a check of the clutch centre,
clutch drum and clutch spring.
Clean the spark plug. Refer to
a check of the spark plug on page
22 .
Clean the external parts of the carbu-
To do a check of
rettor.
Do not cut straight
Be very careful when
To do
19