Stanley Black & Decker CS25/28 manual Tool Operation, Felling Or Topping, Felling Or Back Cut

OPERATION

TOOL OPERATION

WARNING

The following are general woodcutting procedures and techniques. Differences in the terrain, vegetation and type of wood will make this information more or less valid for particular areas. For advice on specific wood cutting problems or techniques for your area, consult you local Stanley representative or your county agent. They can often provide information that will make your work safer and more productive.

WARNING

Watch for falling limbs.

4.Make a diagonal cut down to meet the horizontal cut and remove the wood from the notch.

FELLING OR BACK CUT

5.The felling or back cut is made on the side opposite and at least 2 inches above the horizontal undercut (the felling cut is made higher as the size of the tree increases).

CUTTING TIPS

1.Check the lean of the tree. Tie a weight to a piece of string about 2 feet long. Hang the weight in your line of sight. The string is a good vertical line to help you judge the lean of a tree. The tree should fall the way the string is leaning. Trees that are straight (leaning no more than 5°) generally can be felled in any direction.

2.Check the weight distribution. A tree is heavier on the side with the most limbs. It will try to fall on its heavy side. Trim a few limbs to balance the tree.

3.Clear the work area. You need a clean area all around the tree. Get everything out of the area where the limbs might fall. Do not cut trees near structures. Because of the danger of electrocu­tion, use extreme care when cutting trees near power lines.

4.The chain saw should cut with very little pressure applied to the handle. If you have to force the cut or if the cut is not straight, cease cutting immediately to prevent further saw chain and bar damage. See the MAINTENANCE AND ADJUSTMENTS section in this manual for chain replacement, sharpening or adjustment procedures.

FELLING OR TOPPING

1. Observe safety precautions.

NOTCHING OR UNDERCUTTING

2.The notching or undercutting cut is made on the side you want the tree to fall.

3.Start the cut horizontally. Cut to about one-quarter of the tree’s diameter.

6.Start the cut horizontally parallel to the notch cut. Cut until the saw is about 1 or 2 inches from the notch. DO NOT CUT THROUGH THE NOTCH.

NOTE:

The uncut wood between the felling and notch cuts is called the hinge. The hinge controls the fall of the tree and should be of uniform thickness.

7.As the saw nears the back cut, watch the tree-top and the cut for signs of movement. Be alert as soon as the tree starts to move, turn off the saw, pull it from the tree and move away quickly on your es- cape route.

Figure 2. Felling a Tree

LOGS/LIMBS WITH PRESSURE ON BOTTOM

1.Observe all safety precautions.

2.Begin with a bottom-cut. The depth of the cut should be about one-third of the log diameter.

3.Finish with an upper cut, down from the top. The saw cuts should meet.

14 ► CS25/28 User Manual