Question about Husqvarna 450 e-series 18" Chain Saw

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Fly wheel seemds locked up on Husqvarna 445

After working fine for hours with my Husqvarna 445 the fly wheel break just engaged and the chain will not spin..... so i opened up the case to give it a good cleaning.. after closing the case it is now very hard to pull the cord ... i am not able to get it started

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The flywheel does not have a brake,the clutch side has the break.if you have the chain side cover off the brake is no longer on the clutch drum.the fly wheel is on the oppiset side (starter rewind).take the starter rewind off and see if the motor will turn.if hte motor turns the problem is in the clutch side.if it doesn't the problem is in the flywheel side.the ignition coil has been known to loosen up.the screws streitch out from heat.check the air gap between the flywheel magnets and the ignition coil.should be .10 to .12 inches.if problem is on clutch side check to make sure that the springs are on between the clutch discs.they have been known to break and that does not let the chain spin on bar.any questions get me an e mail

Posted on Feb 11, 2009

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Firstly, try pulling the chain brake handle back into the running position - you should hear a click if the brake is working correctly. Then try rotating the chain by hand - if it rotates your problem is solved!

If this does not work you should check to see that the chain brake cover is seated properly on the saw. You may be binding the clutch with the chain brake. Remove the chain brake or clutch cover again and attempt to reset the brake by pulling it to the rear - again you should hear a click. Reinstall the cover and ensure it is seating flat to the main body of the saw. Then ensure the chain is loose enough to rotate by using the chain tensioning screw - the nut or nuts that hold the chain brake to the saw will have to be slightly loose. The chain should have a very minor bow to it when you look at the bottom of the bar. Do not forget to snug the nuts down firmly when your a finished.

Should these suggestions fail you might consider going to your chain saw shop and have them look at it as the chain brake is an important safety item and should function correctly at all times.

Good Luck

Posted on Jan 27, 2009


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Verify you have oil in the oil fill tank. Try cleaning inside the drive sprocket cover. Release the chain tension and carefully dislodge the bar and chain assembly. Clean sawdust and debris from behind and inside the housing and behind the bar. Use a wisker wire to clean the through ports and channels on bar( these ports are the path that the oil travels to the drag groove that the drive links on the chain uses to pull the oil to the tip of the bar).
Please refer to this link below for your saw maintenance-

If this does not correct the problem contact Husqvarna customer service or a local service repair.

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A link to an IPL a 2008 Husqvarna 235E follows (may not be your saw):
It includes a good illustration of the brake and its' components. It is likely the chain brake is released and will need to be engaged to enlarge the brake band.
Reset Chain Brake
Immobilize the clutch cover (blocks of wood on a flat surface to protect the finish) in a vise or with a large C-clamp to a work surface.


Use pliers or a crescent wrench and rotate it clockwise until it latches open. This will require some force. A slight modification reported in a testimonial to the above method follows;
" Thanks for the help. I took your answer and modified the fix a little. I placed the cover on loosely and then moved the bar handle into the right position in order to engage the spoked wheel, then rotated the handle back until the cover fit right. Thanks, SG "–NameRemoved
All Husqvarna OMs and IPLs can be found here:
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000; please contact Husqvarna for single digit clarification
15 = week produced – March
00198 = 198th unit Husky produced that week

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

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A model number would have been helpful.
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