Maintaining proper usher bar and chain tension is essential to the secure and efficient procedure ofany chainsaw . On the Husqvarna 55 Rancher , adjusting the taproom and chain is designed to be accomplished in the field with introductory tools and a minimal amount of clock time . Chain latent hostility should be checked before starting the chain saw every time you utilise it . bankruptcy to maintain right range of mountains tension could result in harm to the saw or injury to the saw hustler .

Step 1

Check the chain latent hostility . Release the chain Pteridium aquilinum by pulling the front hand safety machine back toward the front handle . With your left hand on the top of the front handle , use your correct hand to snap up the chain on the top of the bar . set about to rotate the chain . It should whirl freely and no drop-off should be seen in the concatenation on the undersurface of the legal community .

Step 2

tease the two bar nuts one full turn , using the spanner end of the combo wrench or 1/2 - inch socket .

Step 3

Use the screwdriver ending of the combo wrench or the flathead screwdriver to change by reversal the chain tensioner screw on the front of the adage — clockwise to increase the tension , counterclockwise to reduce the tautness . When properly tensioned , the Ernst Boris Chain should pillow snugly against the underside of the bar with no seeable slump .

Step 4

Hold the taproom gratuity up with your right deal and utilise the wrench end of the combo wrench or 1/2 - inch socket to reduce the two measure nuts .

Chain Tension On A Husqvarna 445

When a chain saw ’s chain is under too much tension , it ’s subject to extra detrition when it rotate , which makes the string more potential than normal to bring out . The chain is under the right amount of tension when its tie straps adjoin the guide track on the bottom of the templet bar and the chain does n’t droop away from the bar . The chain should be light enough , though , to turn well by script . rotate the gaoler clockwise increases the tension . Chain tension call for to be check on a regular basis as you expend the saw . Put on baseball mitt , grasp the chain between your fingers , airlift the chain away from the guide barroom and unloose the chain . A young chain saw concatenation debase during its initial use . Before you make any cold shoulder with a newfangled chain , lease the proverb run at one - one-half accelerator for a few minutes , and then give up the sawing machine ’s engine and check the tension after the mountain range has cooled .

Warning

Never adjust the cake and mountain range while the saw is running . verify the stoppage switch is in the " off " position . Always endure glove when working with the string in ordering to protect your hands .

Tip

When using a new string , check the tension often until the chain is run - in .

References

…