Question about Husqvarna "Chain Saw - 16" Bar, 3 Hp
Depending on the model, you adjust the chain tension using the screw that is located either between or below the two nuts that hold the sprocket/bar/chain cover. Loosen the nuts and turn the screw clockwise to tighten, counter-clockwise to loosen. Once you have the tension set, lift up on the bar from underneath and tighten the two nuts. Proper tension should show about half of the chain drive, and should only be done when cold. After 4 to 5 minutes of run time, stop the saw and check the tension again. A little heat in the bar/chain will cause it to loosen up. It will need re-adjusting.
Posted on Jun 13, 2010
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Posted on Jan 02, 2017
i have a 4620 poulan that had the same problem. use it for 10 minutes, spend 15 minutes reinstalling the chain. i sent poulan an email threatening to sue them and they decided to send me the parts to change it over to the old style for free. try poulan.com
Posted on Apr 27, 2009
SOURCE: can't get chain to tighten
This is a very good OM for a Remington. Look at figure 8 on page 8. The adjustment block MUST engage one of the holes in the bar, Then do 1 through 5 as illustrated and you cannot go wrong.
If the block is engaged, the bar nuts are finger tight , and the adjuster will not tighten the chain it must be stripped. If not stripped, follow this example.
If it still causing problems try a local saw shop where someone can see what the problem is. Ask them to demonstrate please.
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.
Posted on May 07, 2010
Tips for a great answer:
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All the saws I use that do not need the cover removed to tighten the chain. If the tightening parts are in the cover you can't adjust the tension with the cover off Other saws the pin is on the saw side To tighten the chain there is a pin that fits into a hole on the bar. Turn the adjusting device to move the bar forward to tighten the chain. If you get it too tight it will not move.
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