Owner's Manual

CS-310 OPERATION

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Begin the cut on the side to which the tree is to fall. Cut a notch

about 1/3 of the way into the tree. The position of this notch is

important since the tree will try to fall “into” the notch. The

felling cut is made on the side opposite the notch and at a level

about 5 cm (2 in.) above the bottom of the notch. Do not try to

cut through to the notch with the felling cut. The remaining

wood between the notch cut and felling cut about 5 cm (2 in.)

will act as a hinge when the tree falls, guiding it in the desired

direction. When the tree starts to fall, kill the engine, place the

saw on the ground and make your retreat quickly.

To fell big trees with a diameter exceeding twice the bar length,

start the notching cuts from one side and draw the saw through

to the other side of the notch. Start the back cut on one side of

the tree, pivoting the saw through to form the desired hinge on

that side. Then remove the saw for the second cut. Insert the

saw in the first cut, very carefully so as not to cause kickback.

The final cut is made by drawing the saw forward in the cut to

reach the hinge.

Limbing

Limbing a fallen tree is much the same as bucking. Never stand

on the tree that you are limbing. When limbing, caution is the

word. Be careful of the tip touching other limbs. Always use

both hands.

Don’t cut with the saw overhead or aligned vertically with your

body. If the saw should kickback, you may not have enough

control to prevent possible injury.

Direction of fall

First cut

Notch

Second cut

One-third tree diameter

5 cm (2 in.)

Felling cut

Hinge

5 cm (2 in.)