International Harvester Tractor Heavy Equipment Service Manual

International Harvester Tractor Heavy Equipment Service Manual

The harvester is a type of heavy equipment that isemployed in cut to length logging operations forfelling, buckling, and cutting up trees. Generally, a harvester is utilized alongside a forward thatwill haul the trees and logs to a roadside landing.

Harvesters were established in Sweden and Finland, and today they do almost all of the commercialfelling in these countries. They work very well forless difficult surface for the clear cutting areaof forest.

The leading manufacturers of harvesters consist of
Timberjack (which is had by John Deere) and
Valmet, which is had by Komatsu.

Generally, harvesters are developed on a robust allterrain car, which can either be wheeled ortracked. Sometimes, the automobile can be articulatedto offer tight reversing barriers. A diesel engine will supply power for both thevehicle and the gathering mechanism through ahydraulic drive. International, Harvester, Tractor, Heavy Equipment, Service, Manual

International Harvester Tractor Heavy Equipment Service Manual

An articulated, extensible boom that is similiarto that of an excavator, will connect from thevehicle to carry the head of the harvester. Thereare even some commercial harvesters that areadaptations of excavators with a brand-new harvesterhead, while the others are function constructed automobiles.

The regular harvester head might consist of:
A chain saw to cut the tree at thebase and also to cut it to length. It offers a morerobust chain and a higher output power than anysaw carried by guy.
2. Two curved de-limbing knives that canreach around the trunk to eliminate branches.
3. 2 feed rollers to connect and graspthe tree. The wheels will pivot apart to allowthe tree to be accepted by the head of the harvester, and pivot together to hug the tree tight.
4. 2 more rounded knives for de-limbing.

All this is controlled by an operator who sitsin the taxi of the car. A control computer isused to streamline mechanical movements and keep thelength and size of trees that have actually been cut.

The length is calculated by counting the rotationsof the gripping wheels. The size is computedfrom the pivot angle of the gripping wheels thathug the tree.

Harvesters are usually offered for cutting treesup to 900 mm in size, constructed on automobiles thatweight as much as 20 t, with a boom that reaches up toa 10m radius. The larger, more heavier vehiclesdo more damage to the forest, although a longerreach will help by permitting more trees to beharvested with less motions required by thevehicle.
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Harvesters were established in Sweden and Finland, and today they do nearly all of the commercialfelling in these nations. Usually, harvesters are built on a robust allterrain vehicle, which can either be wheeled ortracked. A chain saw to cut the tree at thebase and also to cut it to length. 2 feed rollers to reach out and graspthe tree. The wheels will pivot apart to allowthe tree to be embraced by the head of the harvester, and pivot together to hug the tree tight.

International Harvester Tractor Heavy Equipment Service Manual