Why does the chain on my chainsaw keep coming loose?

5 Reasons Why Your Chainsaw Chain Keeps Coming Loose. One of the most common reasons why your chain might be coming loose is because it was not set properly. When you don’t have the clutch cover nuts tightened securely to the bolts, the position of the bar can shift and wreak havoc on the tension of your chain.

How do you adjust a Jonsered carburetor?

Turn the “H” screw clockwise until it won’t turn any more then rotate it counterclockwise 1/4-turn. Press the trigger for the chainsaw to engage the high setting. If it sputters or cuts out, turn the “H” screw counterclockwise to increase the fuel supply.

Can you over tighten a chainsaw chain?

This simple maintenance task is easy to perform and necessary to keep your chainsaw running safely. There is a tension screw located near the base of the bar on the chainsaw. To tighten the chain, turn it clockwise, and to loosen turn it counterclockwise. Don’t over-tighten the chain as this could cause it to break.

How tight is a chainsaw blade supposed to be?

The chainsaw chain should feel snug but still pull freely. Finally, perform a “snap” test to ensure proper saw chain tension. Simply pull the chain on the underside of the guide bar down so one or two drive links are out of the guide bar rails and release it. The chain should snap directly into position.

What size chain does a Jonsered CS2255 take?

20″
375 Pitch) Chainsaws – (20 inch, 3/8″ Pitch, 0.050″ Gauge, 72 Drive Links, CSC-D72)

Why does my chainsaw dull so fast?

With a single contact with the ground while running, a chainsaw can become very dull. This is because the ground contains sand and dust which is abrasive and contains a lot of tiny rocks. To avoid such occurrences, avoid cutting wood placed on the ground.

How much tension should be on a chainsaw chain?

A properly-tensioned chainsaw chain should still be just a little loose on the chainsaw guide bar, but the chain needs to be tight enough that you can’t pull the drive links out of the bar nose.