20 – EnglishSAFETY INSTRUCTIONSTwo factors decide whether the chain will jam or the log willsplit. The first is how the log is supported and the second iswhether it is in tension.In most cases you can avoid these problems by cutting in twostages; from the top and from the bottom of the log. You needto support the log so that it will not trap the chain or split duringcutting.If the chain jams in the cut:STOP THE ENGINE! Don’t try to pull the sawfree. If you do you may damage the chainwhen the saw suddenly breaks free. Use alever to open up the cut and free the bar.The following instructions describe how to handle most types ofsituation that you will be faced with when using a chain saw.Cutting1 The log is lying on theground. There is little riskof the chain jamming orthe log splitting. Howeverthere is a risk that thechain will touch theground when you finishthe cut.Cut all the way throughthe log from above. Trynot to touch the ground asyou finish the cut.Maintain full throttle butbe prepared in case thechain snatches.A If it is possible to turnthe log you should stopcutting about 2/3 of theway through.B Turn the log and finishthe cut from theopposite side.2 Basic cutting techniqueGeneral• Always use full throttle when cutting!• Reduce the speed to idle after every cut (running theengine for too long at full throttle without any load can lead toserious engine damage).• Cutting from above = Cutting on the pull stroke.• Cutting from below = Cutting on the push stroke.See the section on”How to avoid kickback” to find out whycutting on the push stroke increases the risk of kickback.Terms:Cutting = General term for cutting through wood.Limbing = Cutting limbs off a felled tree.Splitting = When the object you are cutting breaks offbefore the cut is complete.There are five important factors you should considerbefore making a cut:1 Make sure the bar will notjam in the cut.2 Make sure the log will notsplit.3 Make sure the chain willnot strike the ground orany other object during orafter cutting.4 Is there a risk of kick-back?5 Do the conditions andsurrounding terrain affectyour safety whenworking?