chainsaw are used to fell trees , trim limbs , cut firewood and clear brushing . Chainsaws require even maintenance , in the main , keep the chain tooth abrupt using a orotund single file . The teeth must be heighten at the proper slant to keep the Sir Ernst Boris Chain cut effectively and straight .

Chain Components

The Ernst Boris Chain of your chainsaw has three constituent : a left - hand cutter , a proper - hand cutter and a drive connection between the two cutlery . Each cutter factor has dentition with a flat top , an angled film editing edge , a gullet or vale and a depth gauge at the end . These pieces are centre together to make the chain nexus .

Chain Function

cut link alternate on the concatenation , with the sharpened face always facing forward and tilt point to the mall . They are connect with a tie strap . Each private road inter-group communication will have a cutter on one end and a tie strap on the other . These links are not center tightly ; they flex as the chain actuate around the cake . The profundity gauge on each cutter take it into the Ellen Price Wood and determine how heavy a " bite " the cutter will take . Cutting angles are pre - set ; they usually are 30 to 35 grade but will depart slenderly among adage producer .

Filing Guide

Get a filing guide , or gauge , for your particular model of concatenation saw . This guide will enable you to use the correct slant when sharpen each cutter . Most filing guides are adjustable , with a thickening that show the academic degree . The guide fits on the bar and engineer your round file cabinet to the tooth at the right slant . A right size file also must be used . File sizes vary from 5/32 to 7/32 inches . Using the incorrect sizing filing cabinet will destroy your mountain range ’s cutting slant .

Cutting Angles

Each cutter has three angle . The easiest angle to see is the top : the slant of the tooth you see when you look down on it . This slant should be 30 to 35 degrees . The 2d angle is called the top denture cut angle . This is the cant beneath the top plate where the focalise data file goes . Its optimum setting is 60 level . The side collection plate angle is an arc on the side plate , typically 85 degrees or less . All these slant will diverge among manufacturers and even among modeling of saw from the same producer .

Depth Gauges

Check the astuteness gauges every clock time you sharpen the teeth . Most filing guides have a depth measurement . If a depth bore is above that line of credit , use a flat file cabinet to smooth it down , then slimly register the leading bound to keep it round .

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