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Gregor Candlin Posted on Apr 14, 2011
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Husqvarna 346 xp. Changed brake band and spring, how do i reassemble with chain brake "off" so will fit back over clutch?

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Andrew White

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  • Husqvarna Master 2,239 Answers
  • Posted on Apr 14, 2011
Andrew White
Husqvarna Master
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Joined: Dec 08, 2010
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Re assemble the brake in the actuated mode, remove the clutch and sprocket from the saw, now fit the brake back to the saw and use the hand guard to load the brake, now re fit the clutch and sprocket

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1helpful
1answer

How to reassemble chain brake on an Echo CS-350T that jammed and was pulled apart by someone else?

From what I see you will need assemble thing leaving the main spring and brake cover off. Before attempting to put the main back in install a clutch drum inside the brake band. Then you slip on the main spring and pry the end on with a flat blade screw driver. Now install in the cover for the spring and brake. Reset the chain brake and remove the drum.

Now install the chain brake on the saw and test. Do not trip the chain brake without the clutch drum in place. If these are anything like the Husqvarna version after they get worn they will get where it is nearly impossible to reset.

Echo CS 350T Chainsaw CS350T Parts Diagram Page 7
Jan 12, 2015 • Echo Garden
tip

Replacing brake band on Husqvarna 357/359/340/345/350/346/445 and many others

Before attempting to repair any chain brake, eye protection should always be worn, these machines all have an out board chain brake, known as a knee link brake due to its actuating mechanism, start by makeing sure the brake is off, by pulling the brake handle fully back to the top handle, now remove the bar securing nuts, remove the brake/side cover, the hand guard stays with the saw, so the cover is quite difficult to hold when removing the spring, so take two 8 mm bolts, clamp the hex heads in a vice, spacing them out the same as the fixing holes in the brake, now fit the brake /cover band up onto the up standing bolts, use the two bar nuts to secure the brake to the bolts, now insert special tool part no. 502522202 into the actuating quadrant and turn to activate the brake ( this will remove much of the spring tention ) if you do not have the tool you can remove the hand guard from the saw and use that, or a sturdy pair of long nose pliers, now remove the cross head screws from the spring cover, edge the back of the spring up enough to insert a suitable screw driver into the end, lever the spring up and onto the screw driver shaft ( this will stop it flying out ) remove the c clip securing the actuating quadrant to the brake cover, gently lever out the roll pin in the anchor end of the band, the band will now lift out of the cover, remove the single cross head screw securing the knee link mechanism to the band. Refit the new band into the knee link and re fit the screw, re fit the quadrant onto the post in the cover and re fit the e clip, press the anchor end of the band back into the cover, insert the spring back onto the knee link spigot, compress the spring and push it back into the cover, the best way to compress the spring is to use a good pair of long nose pliers, push the closed jaws into the end of the spring ( this will stop the spring flying out ) now push the pliers in to compress the spring against the knee link, and back into the cover, refit the spring cover screws, you now need to load the brake before it can be put back onto the saw, use the special tool, or the removed hand guard to do this, it will take a fair amount of force to re load the brake, once loaded re fit to the saw.
on May 12, 2011 • Garden
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1answer

Clutch cover assembly 562 Xp auto tune

chain brake has been triggered, must disengage so the brake band will fit over the clutch drum.
0helpful
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Replace a clutch spring on a XP346

The 346 has two claw type springs part no. 537080001, use a pair of external pointed circlip pliers to expand the springs and fit oover the shes.
0helpful
1answer

Chain saw brake on husquvarna model 41

To replace the brake band do as follows, remove the bar nuts and take the brake away from the saw, engae the brake to remove as much tention off the internall spring by pushing the hand guard fully forward, remove the allen screw securing the hand guard, do not remove the e clip and pin from the hand guard, tap out the pivot collers and remove the hand guard, remove the cross head screws securing the spring cover, carefully remove the spring from under neath, tap out the silver pivot pin from the knee link activating arm, use a puch from the other side of the brake to remove the roll pin securing the other end of the band, with the band out remove the screw securing the band to the knee link, install the knee link to a new brake band, re fit the roll pin in the band and re fit into the cover, insert the spring, this will have to be compressed to get it back in, re fit the spring cover, you need now to load the brake, fit the hand guard onto the cover, insert a conical puch through the hand guard and cover to enable you to pivot the hand guard back and load the brake, now fit the hand guard properly onto the cover and re fit the collors and screws.
0helpful
1answer

Unable to get chain break cover back on after putting on new chain

It sounds like the chainbrake has activated, the band is now smaller that the drum, clamp the brake in a vice, be carfull not to damage the cover, remove the two screws holding the hand guard to the machine and remove, now insert the hand guard into the quadrant in the brake, pull the hand guard fully back to de activate the brake, it will take some force as it is compressing a large internal spring, the other way to do it is to remove the clutch and sprocket, re fit the brake onto the saw and use the hand guard to load the brake, pull it fully back toward the rear of the saw until it clicks and loads, now re fit the clutch and sprocket.
4helpful
1answer

How do I get the brake band ,located inside the chain cover, assembled back onto the chain saw. clutch assembly. The band brake diameter seems too small to fit around the clutch housing.

You need to load the brake, clamp it in a vice, be carefull not to damage the cover, if the hand gaurd is connected to the brake pull it fully back until the locks off, this may take a fair amount of force as it is compressing a large spring, if the hand guard is on the machine, remove it and use this as a tool to load the brake, the only other way is to remoce the clutch and sprocket, now refit the brake onto the saw, now pull the hand guard fully back to load the brake.
7helpful
2answers

Cannot reassemble brake band assembly to clutch drum

The brake was engaged when removed. The Illustrated Parts List (IPL) here shows how the majority of components fit together. The brake needs to be released to clear the clutch drum.
Secure the clutch cover (it requires quite a bit of force), with a couple of blocks of wood, in a large vise or a C-clamp on a work surface.

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Use a pair of pliers or a crescent and rotate the spoked part CW until it latches. This one is latched.

If you have more questions or need additional help please reply below and I will get back to you. Good Luck. HTH
Lou
Thank You for using FixYa.
0helpful
1answer

The bar and gear cover will not go back on. The

The metal band is the chain brake . It must be compressed so you need to move the brake handle forward.
27helpful
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I have a Husqvarna 345e chainsaw. Can't get the cover back on.

That metal band you see which is preventing you from putting on the cover is part of the chain break mechanism. You were suppose to disengage the break before taking off the cover (I did the same thing). To get it back together you need to disengage the break by a tricky procedure and that will make the band diameter larger so it fits over the clutch. To force the band open, you need to first place the cover over the two bolts that hold the bar. As you already know, the back of the cover will not be able to fit over the clutch. Now in this angled position, bend (force) the break lever down (gray thing on top) until you can force together the sproket in the cover onto the mating pastic fitting built into the break lever. Now you can use the break lever to force down the internal spring and open the metal band. That will expand the stainless steel band and it will fit around the clutch. If you now push down on the back of the cover it will snap in over the clutch. Once you see how it is done, it is not so hard, but it is tricky because you are forcing some of the parts slightly out of position to get it back together. .
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