The slicers require usually two sources of lubrication. Like the majority of the engines of two-race, the engine is lubricated by its fuel, which contains approximately 2 the oil of the ~ 5% (according to the model) dissolved in the fuel. Since this mixture is strongly flammable, a completely separate oil tank is used for the external lubrication of the blade and the chain. This last oil is exhausted quickly because it tends to being thrown in addition to chain by the centrifugal force.

This tank does not maintain remakes the full one, or by using an oil of incorrect viscosity, a source common of damage to the saws and tends to lead to the chain releasing itself from the bar. With some types of wood, the operator will have from time to time to stop and to disconnect the holes where oil is distributed to the bar of chain and guide the filter of air intake tends to block with the sawdust. This must be cleaned from time to time, but is not a problem during the normal operation.

Many operators of saw clean it with water the gasoline, although the manufacturers recommend to employ the compressed air to blow dust in addition to mesh of filter of the interior, or heat and soapy, and then left to dry with the air. If these resources are not available, pure, the clean gasoline should be employed, otherwise residual oil on the filter will compose blocks it to him still faster. Chains must be maintained very pointed to carry out well. This can be done with a round file or a gauge (without removing the chain of the saw), or with an electric gauge of setting specialized the chain being crossed saw.

The gauges help to make sure that each face of cutting is maintained with the correct angles, which are carefully balanced to maximize the effectiveness of the saw. The suitable hand-setting can produce a better result, but the electric sharpening machines are faster, in particular by sharpening the very matt chains (particularly those which were subjected to dirtiness, metal or the rocks). Blades of carbide slicer cannot be sharpened by the conventional sharpening machines and must be sharpened by a diamond sharpening machine.

By: Jeremy Stone -

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The author, Jeremy Stone, is a recognized American home improvement expert. More at Glueguns.net – Home Improvement Ideas For The True American Homeowner

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The procedure has three points of interrest:

The notch, the hinge and the back cut.

The notch is made with two cuts, the first one being the top one at an angle of approximately 30-45 degrees.

Stand with your left shoulder leaning against the tree, holding your chainsaw against the trunk. The direction the tree will drop in is determined by the angle of this first cut. Most chainsaws have the front handle at a 90 degree angle to the bar, so use the handle to aim.

Make sure you hold the bar horizontal as you start cutting into the tree.

The next cut is made from the same position, also making sure the bar is horizontal. Look through the first cut to see when the two cuts meet. It is important they dont overlap, as this will weaken the hinge.

When you are done, inspect the notch for overlaps and size. The size should be 1 third of the width of the trunk seen from the front of the notch. The bottom surface should be level and flat so the tree doesn’t change direction mid drop.

Next, decide on the thickness of the hinge. The bigger the tree, the bigger the hinge should be to ensure a controlled drop. 1 to 2 inches is normal.

If you decide on 1 inch, you start the back cut 1 inch behind and 1 inch above the hinge. Insert the tip of the bar and drill horizontally into the trunk looking at the bar and into the notch to make sure your direction is correct.

The bar should follow the front of the hinge in order to ensure the hinge is equally thick all the way. Once the bar is as far in as it will go, check again that it is parralel to the front of the notch.
Then start cutting back through the trunk but not all the way. Leave a bit at the back of the trunk to hold the tree untill you are ready to drop it.

Now go to the other side of the tree and repeat the procedure.

The tree is now standing on the hinge and the bit at the back, and should still be safe and stable. If there is no doubt that wind and weight will make the tree drop in the desired direction simply cut the bit at the back away slightly below the back cut level.

You cut approximately at the same level as the bottom of the no 1000 tch, and the tree will split the fibres and fall without throwing your saw away.

If however there is a chance the tree will fall backwards or not at all, you insert a felling lever as far back in the back cut as possible, next to the bit you left. Now, as you cut under the bit, the felling lever keeps the tree standing untill you apply pressure.

If the tree refuses to budge, apply wedges next to the felling lever.

That is how to cut down a tree in a controlled manner. Most forest workers build up the skill to judge a tree and skip some of these steps, but till you get to that level this method will quarantee that you have full control at all times.

By: maxwell thompson

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Maxwell is the owner of Chainsawstock.com, Read more about how to Buy cheap stihl chainsaw parts online.

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This saw has a chain tip guard to prevent kickback and extend chain life.  The electric brake stops within ½ second of releasing the trigger.  It also has hand safeguards.  A hex wrench allows for rapid blade changes and adjustments.

The chain guard allows fast entry to the blade and motor housing area.  The 12 Volt NiMH (nickel metal hydride) battery gives you a longer operating time. You’ll be able to buy an optional handle if you’ll need a longer reach.  This 4.6 pound dynamo cuts through a variety of PVC piping diameters.

We found two other brands of battery powered chainsaws.  One made in China has a 12 volt battery and a shock absorption system. The other brand has an 18 volt battery and a 10 inch chain.  There is little information currently available on these saws and most of what is available is anecdotal.

On one bulletin board we found a discussion thread on cordless battery operated chainsaws.  One participant said he made 12 cuts and took down a five inch sugar maple.
Another said he got one and it wouldn’t cut a two inch twig – he had the chain on backwards. Overall it looks like the ideal chainsaw for the occasional user who wants to do some light pruning or to take down small trees.

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