Cutting Techniques (continued)
33
36
34
Now, make your felling cut on the opposite side of the trunk. Start the cut about
Always leave a hinge (A, Fig. 31 and 32) which allows you to control the direction the tree falls in. Put a wedge into the felling cut, before the tree starts to move, to prevent the chain saw guide bar from getting stuck.
If the diameter of the trunk is greater than the length of the guide bar, make the felling cut as shown in the sequence of Fig. 32.
LIMBING
a)Always start from the larger diameter and move towards the tip to cut off limbs and any secondary branches.
35
BUCKING
When bucking up the trunk to desired lengths, there is a basic rule to follow. Look to see where the trunk is supported, and determine which way the two halves will fall when cut.
Before you begin bucking, check underneath the log and make sure the area is free from obstructions. Also, use extreme caution when performing bucking techniques.
b)Always find the safest and most stable position before accelerating the chain saw. If necessary, keep your balance by resting your knee on the trunk itself. Make sure your knee is positioned far away from the saw chain and cutting area.
c)Keep the chain saw on the trunk so as not to get too tired, turning it onto the left- or
d)When branches are under tension, find a safe position to protect yourself in case the branches whip back. Always start the cut from the opposite side to the bend.
When
Wear eye protection during maintenance.
a)If the trunk is supported at both ends, first make a small cut at the top (1 - Fig. 34), then complete the cut from the bottom (2 - Fig. 34). This will prevent the saw from pinching.
b)If the trunk is supported at one end or near the center, first make a small cut from underneath (1 - Fig. 35), then complete the cut from the top (2 - Fig. 35).
If the saw becomes pinched in the trunk, stop the engine, lift the log and change its position (Fig. 36). Never attempt to free the saw by pulling on it.
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