Question about Husqvarna Chain Saw 20" Bar

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My chainsaw brake broke. I have a new one, but I am unsure if I have installed the brake activator handle on correctly: I cannot release or open up the brake even though I have hit the handle fairly hard with a rubber mallet.

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Remove it from the machine and secure it in a vice. Attempt to activate/ deactivate it and look to see what is causing it not to release. a bit difficult to advise without being able to see what's been done.

Posted on Jun 24, 2010


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1 Answer

How to release the brake on Ryobi chainsaw

Probably what you are calling the brake is the anti-kickback mechanism (it looks sort of like a hand guard in front of the top handle). Just pull the top of it towards the handle, and it releases the chain.

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What is the chain brake an where

not on the older chainsaws
newer ones it s normally the black lever you hold
Check the Chain Brake
Make sure the chain brake is working properly by putting the chainsaw on a stable surface. Release the chain brake, squeeze the throttle and then activate the chain brake by pushing your left wrist against the kick back protection without releasing the handle. This should cause the chain to stop rotating immediately.


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Problem is you removed side cover with chain brake closed. You must open the chain brake to re-install the cover. You can do it with the handle. Put the side cover into position, put the handle into the fitting on the side cover. push the handle forward until you feel the "3" point connector engage. apply pressure to the handle and pull back until the side chain brake "Pops" open. Your Husqvarna dealer has a tool to open the chain brake if you are unable to get it open. Takes about 5 mins.

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1 Answer

Brakes stuck in closed position cannot open ,and cannot seem to workout how it works ,would like a drawing of the system to help assemble

Pulling the guard handle toward the front handle releases the brake. Pushing it forward locks the chain. This puts the brake on if the saw kicks back and your front hand hits the guard.

Jul 27, 2011 | Garden

2 Answers

Started saw chain moved , now it won't.

Sounds like the chain brake has activated, pull the hand guard fully back to the top handle until you hear the click of the brake loading.

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1 Answer

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Just pull back on the brake handle (safety handle) to release it. It should have a 'toggle' effect where the handle changes position suddenly. If this doesn't help, you may have to remove the bar and chain to clean the brake and other parts of sawdust accumulation. Good luck!

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1 Answer

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You will need to release the brake by applying a very heavy screwdriver to the + shaped part of the brake coupling. Check the action of the brake handle and duplicate it at the the +. Hope this helps!

Jun 25, 2010 | Echo CS400 18" Chain Saw

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How do I release the brake spring with the cover off?

I had this problem once and it was very tough for me to fix. Maybe there's a tool that makes it easier but I struggled with vise grips and pliers for our until I finally got it flipped back. I had to take off the plastic cover that encloses the spring to do it. It's definitely easier for two people.

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The liftgate handle broke

It is possible to open from the outside. Remove the plastic piece that broke off from the outside of the tailgate. Use a penlight and you will see the mechanism. Get a small screwdriver and place into the hold...You can feel it spring when you have it in the right place...Push down on the screwdriver to make the mechanism pull the release cable. Make sure the vehicle is unlocked..It should work...My mechanic can open it in 10 secs with this method.

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You just have to pull the lever back, like it was on the saw, until it clicks/unlocks. It may be hard to do, but thats what has to be done.

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