cut with the chain saw above shoulder height. Limbing the bottom of small trees allows the sawyer to move in closer to the bole when felling trees and will help the sawyer watch the tip of the bar to prevent kickbacks.
Chapter 4- Chain Saw Tasks and Techniques Figure 4–4- Hazard trees, such as leaners, need to be removed toFile Size: 1MB. Some trees present special problems in felling: 1. Trees that side scar easily (such as ash) 2. Larger trees light leaners or heavy tops 3. Heavy leaners 4.
Felling trees against the natural lean NOTE: Several of the following techniques any or may not require shallow side-cutting at the corners of the notch when cutting grade logs. Felling Mechanics Height Of Holding Wood -- Stump Shot Or Anti-kickback Device (Perform Experiment) – Prevents Kickback From Tree Rotating About Its Center Of Mass – Prevents Kickback When Striking Another Tree In Standing Timber Width Of Holding Wood –Tree Hinged To The Stump While Falling – Controls The Direction And Fall Of The Tree – Without Holding Wood The Tree Is.
A chainsaw's performance during wood-cutting 14 Techniques in minimising chainsaw performance during cutting 15 Basic principles of cross-cutting 16 Points to note 16 Assessment of internal stress 16 Top bind and Bottom bind 17 4. FELLING TECHNIQUES Tree felling can be dangerous. The best way to stay safe is to be prepared. So before you start felling a tree, learn about chainsaw safety, the right equipment and how to carefully and accurately plan the felling.
If you’re inexperienced or feel unsure – get help and guidance from a professional. Choosing the right directional notch. Aug 10, Then, use one of the appropriate chainsaw techniques listed above to perform the correct and safest cut. 9. Chainsaw Stump Cutting Techniques. There are several techniques to cut a tree stump; however, this method is the easiest and most fool-proof.
To remove as much of the stump from the ground as possible, follow these steps.