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I have a porter cable 16' variable scroll saw. the tension knob on the back will not stay in place, hence making the blade loose, how can I fix this.

It is running really rough as well, like running a chain saw

Posted by Sharon Allen on

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john barry

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  • 23 Answers

Try some blue LocTite thread fastener. It's an anaerobic-hardening resin. Remove the knob enough to get a drop onto the threads, then snug it up. Going forward, repeat as necessary. Just a drop.
Better than lock-washers. Scrollsaws basically just vibrate their little blades up & down.

Posted on Jun 11, 2016

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5 Related Answers

Anonymous

  • 52 Answers

SOURCE: poulan Super 1800 16" chainsaw .

Hi dortfran,
My name is Dennis and I hope to be of assistance.
This sounds like a kink in the chain and I would try a new chain because this can be a very small kink and very difficult to find and straighten out. If you must put the chain saw in a vise by clamping the bar and run the chain back and forth from the sprocket to the bar grove under operating tension and locate the misalignment at the bargrove. Now you have located the problem but the fix is still sweat away, and with some luck you may be able to spring the chain straight and have the link flexable to opporate without a hitch.
Glad to be of assistance. Please rate the solution because i can learn from your rating.
Thank you
Dennis

Posted on Nov 09, 2008

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Anonymous

  • 63 Answers

SOURCE: Homelite 16'' chain saw runs rough and backfires

One of two things is wrong. This saw is so old I doubt it has electronic ignition. Pull the flywheel off and clean the points with carb cleaner and sand the contacts very, very lightly with super fine sandpaper or a little file. Second option, the coil is bad, take it to the shop and they should be able to test it for you.

Posted on Mar 16, 2009

firesnake09

Melvin Ramos

  • 2923 Answers

SOURCE: Owners Manual for a Remington 2.5 HP 16 '' Chain saw, Model EL-7

Hello,

Kindly check this link for manual. Please select the correct model:

http://lawnandgarden.owneriq.net/manuals/mfg/remington/remington_chainsaw_product_list.html

Posted on Apr 18, 2009

Anonymous

  • 188 Answers

SOURCE: How do you adjust chain tension?

Here is a link to instructions for EL-8 series saws ... http://www.desatech.com/pdf/115499-01_EL8_Series_Chain_Saw_Tension_Adjustment.pdf. For series LNT-2, LNT-3,EL-1, and EL-7 according to the manufacturer... "WARNING: The cutting edges on the chain are sharp. Protective gloves should be used when touching the chain. Unplug the chain saw from the power supply. Allow chain to cool. Loosen the guide bar nuts until they are finger tight. Ensure the adjusting block is in the adjustment hole in the guide bar. Turn the chain tensioning screw clockwise to increase tension. Turn the chain tensioning screw counterclockwise to decrease tension. Check for proper chain adjustment by pulling down on the chain at the bottom center of the guide bar. You should see no more than a ⅛ inch gap between the chain cutting links and the guide bar. The guide (or drive) links should not come out of the guide bar grooves. The chain should rotate freely around the guide bar. If it does not, chain tension should be decreased. When the chain is properly adjusted, tighten the guide bar nuts securely." On the M series if your chain keeps slipping off your sprocket... The Sprocket cover tab (located on the round part of the sprocket cover) isn’t inserted into the saw body tab slot. I hope this helps you!

Posted on Jul 01, 2009

Anonymous

  • 1 Answer

SOURCE: poulan chain saw will not stay running after i sta...

Hello,
a good starting point is the low speed screw at 1 3/4 turns and the high side at 1 1/2 turns. Hope it helps

Posted on Jun 11, 2010

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