Question about Husqvarna Chain Saw 20" Bar
The previous suggestion will work but there is an easier way. Remove the cover over the the chain and remove the chain and bar. Turn the motor over and remove the cover from the opposite side to reveal the cooling fan. This fan is held in place by a nut which attaches the fan to the engine crankshaft and is on the opposite end of the crankshaft to the clutch assembly. To stop the crankshaft from turning as you remove the clutch assembly, either put a socket and ratchet on the nut or jam the fan in position using a screwdriver. If you use a screwdriver take care not to break a fin off the fan. Now simply give one of the three legs of the clutch a sharp rap or two with a suitable sized drift and hammer but remember, and I use capitols to emphasise the point, THE CLUTCH HAS A L/H THREAD AND MUST BE TURNED CLOCKWISE TO REMOVE. Once loosened, the clutch should spin off by hand. Whilst you have the clutch and sprocket off, make sure that you check the serviceability of the oil pump drive and the flimsy (stupid) cover plate which distorts and falls to pieces with heat and where I think most of the oil leaks from when the engine is not running. Re-assembly is simply the reverse procedure. Good luck.
Posted on Aug 27, 2010
The clutch will not just pull off the shaft nor is there a locking grub srew. if you look at the clutch you will see something in the shape of a Y, this is threaded on to the shaft and has to be removed with a special spanner. I couldn't find one for purchase, so made my own out off a short length of 1 3/4 inch pipe with slots removed to fit neatly over the Y, than welded a 3/4 nut on top. Once you have got your self the spanner you then remove the spark plug, put the piston to its lowest point and fill the cylinder with 3/8 rope through the spark plug hole, this will cushion the piston while you undo the clutch (make sure you leave enough rope hanging out so you can remove it again). putting it back together is the same, just make sure you remove the pull starter assembly before you do the clutch back up again. Gently pull the rope back out, replace the spark plug, jobs done. I hope this helps.
Posted on Aug 25, 2010
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Posted on Jan 02, 2017
Mine did this when nearly brand new. You likely have a nasty jam of oil and sawdust stuck between the chain brake and the flywheel. It can be loosened by either careful prying of the case or precise shots of carb cleaner up in the housing. While you are in there look for a buildup of oil around the chain brake connection to the kickback paddle.
Posted on Dec 31, 2008
Most of the rancher models are easy to look at. Take the four screws off that hold the starter cover on.When off have a look to see if the pulley is ok or one of the starter dogs(pawls) is jamed . If dogs ok take the screw out of the centre of pulley and remove it ,check for spring tension. if there is just be carful to leave sring in housing. look at spring if broken or out of shape renew it and rope.check for cracks in pulley. When renewing spring and rope get correct rope length and diameter. don't over tension new spring. hop this helps
Posted on Jan 03, 2009
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