How tight should the blade bolt be on a cut off saw
Hi, Can anyone tell me how tight the blade should be on a Stihl 2 stroke cut off saw?
I know that normal abrasive wheels on bench grinders should only be gently nipped up as they self torque when the machine is run, does this apply to circular diamond or composite blades on these concrete cutting machines or should they be fully tightened up with a spanner?
And if they need to be tight that begs the question, how tight?
Re: How tight should the blade bolt be on a cut off saw
You've answered this yourself. The blade only needs to be nipped up enough to grip. If it slips, it will tighten. Thats why, some machines have a left hand thread, as they always rotate so as to tighten in the event of slippage.
If the blade slips under normal service, suggest you clean both blade and the flanges, and just do it up a little tighter next time.
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When you buy the 5L of unleaded Petrol (the same as a car uses), mix with the recommended amount of 2 stroke Stihl oil as marked on the container that the Stihl 2 stroke oil comes in.
Do not use any make of oil other than Stihl or Husqvarna 2 Stroke. I have come across so many people who have tried to cut corners by buying cheaper oil. If you are asking the question you are obviously not going to use the saw to cut down hundreds of trees so for a few pence/cents more for each fill, give the saw the best chance to last.
I always mix the can with 2 stroke oil as soon as I arrive home from the petrol station and MARK the can very obviously as 2 stroke. If you don't use the mixture within 1 month, it is a good idea to use it up in your garden mower. That is as long as the mower does not have a catalytic converter. It will work fine on the very weak oil mixture that modern saws require.
Dull blades! Lol, or they're not meeting eachother on each reciprocating stroke so there is no shearing action, much like a pair of scissors. Check to see if the blade bolts are too loose or is the blades are warped or if the cutting edges are simply too dull
If it actually binds and stops the motor...... it sounds like the motor is bad, the bearings are bad, or the blade is on backwards. If the motor keeps spinning, but the blade stops then the gears are bad or the blade bolt is not tight.
Racing on a 2 cycle engine is usually a sign of a lean condition. It could be caused by a few different things including a bad crank seal or a torn intake manifold as some are made out of rubber. I would remove the cutter arm then pull the muffler to inspect the cylinder and piston. If they are scored it will be a costly repair.
Hello. No, the oil mix is designed to do all that is necessary. Stihl 50:1 two stroke engine oil or equivalent is recommended for proper operation, cheap oil does not have the additives needed too keep rings free and inhibit carbon build-up. Also do not use BIA or TCW rated oils, or any others with duel purpose ratings.
Actually, I own one of these battery operated Ryobi chain saws too. It is normal for the saw to run slow. Remember it is battery powered, not gas, so its not going to be a high rpm saw. Be patient whit it, and you'll get about 4-6 cuts per battery. I take mine camping. It sure is nice not having to listen to a two-stroke while relaxing in the woods! Dont plan on cutting lots of stuff, either, or you'll burn up the motor. This thing works great for very mild workloads.
Hi, The reason for a down cutting blade is to see your cut on the finished side of laminates ( which include veneers, plywoods, plastics, formica . When using an upcutting blade on laminates the smooth cut is on the bottom, which you can not see till you are done and turn the work over. Reversing the teeth allows that smooth cut to be on the top. This is usually done on smooth flat surfaces as you have found out and does not work with orbital or tight scrolls. As far as the pushing or pulling, smooth cuts in laminates require the saw doing the work at a speed that allows the teeth to cut and remove material with biting. So if you are biting, (This is a much slower process than pushing your jigsaw through regular wood) check that you are not pushing too hard and that your blade is still sharp. Good Luck to you, this should Fixya!