Limbing
Limbing a tree is the process of removing the branches from a fallen tree.
Do not remove supporting limbs (A) until after the log is bucked (cut) into
lengths (Fig. 11). Branches under tension should be cut from the bottom
up to avoid binding the chain saw.
Warning! Never cut tree limbs while standing on tree trunk.
Bucking
Bucking is cutting a fallen log into lengths. Make sure you have a good
footing and stand uphill of the log when cutting on sloping ground. If pos-
sible, the log should be supported so that the end to be cut off is not res-
ting on the ground. If the log is supported at both ends and you must cut
in the middle, make a downward cut halfway through the log and then
make the undercut. This will prevent the log from pinching the bar and
chain. Be careful that the chain does not cut into the ground when bucking
as this causes rapid dulling of the chain. When bucking on a slope,
always stand on the uphill side.
1.
Log supported along entire length: Cut from top (overbuck), being
careful to avoid cutting into the ground (Fig. 12A).
2.
Log supported on 1 end: First, cut from bottom (underbuck) 1/3 dia-
meter of log to avoid splintering. Second, cut from above (overbuck)
to meet first cut and avoid pinching (Fig. 12B).
3.
Log supported on both ends: First, overbuck 1/3 diameter of log to
avoid splintering. Second, underbuck to meet first cut and avoid pin-
ching (Fig. 12C).
Note:
The best way to hold a log while bucking is to use a sawhorse.
When this is not possible, the log should be raised and supported by the
limb stumps or by using supporting logs. Be sure the log being cut is
securely supported.
HELPLINE No. UK 0905-1460005
(£ 0,06/min)
• IRELAND 1520-932626
(
E
0,15/min)
WEB SUPPORT: www.heltec.eu
Model Number: GCS-2000
29
Operations instructions
Guide bar/saw chain installation
To install guide bar & saw chain:
1. Place power unit on flat surface.
2. To remove the side cover (A), turn the knob (B) counter-clockwise.(Fig.
3A).
3. Slide the bar on to the saw, and place the chain correctly on the sproc-
ket wheel (Fig. 3B).
4. Spread the chain out with the cutting edges (E) of the chain pointing in
the direction of rotating (Fig. 3C).
5. Place the side cover back in its place and turn the knob (B) clockwise.
6. Turn the tension ring (C) untill the chain tension is correct (Fig. 3D +
4).
7. After running the chain saw for 1 hour, check the chain tension again
and adjust when necessary.
Saw chain tension adjustment
Proper tension of the saw chain is extremely important and must be
checked before starting, as well as during, any cutting operation.
Taking the time to make needed adjustments to the saw chain will
result in improved cutting performance, prolonged chain life and safety.
HELPLINE No. UK 0905-1460005
(£ 0,06/min)
• IRELAND 1520-932626
(
E
0,15/min)
WEB SUPPORT: www.heltec.eu
Model Number: GCS-2000
16
Safety instructions
Fig. 3D
B
C
