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Chain tension How do you adjust the chain tension and how do you know when the tension is correct?

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Pick up on chain and tighten until the teeth that run in bar groove are half way in the groove, to tighten loosen bar nuts on side of saw. There will be a screw either on bottom of saw on bar side or between bar and dawg( three or four pointed thing you see next to bar). Tighten screw as you turn the chain until when you pick up on chain it will raise the teeth that go in the bar groove to about half way. Do not over tighten or will burn up the bar, better a little loose than to tight. Don't forget to re-tighten bar nuts.

Posted on Feb 10, 2014

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Posted on Jan 02, 2017

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SOURCE: chain tension

Hi Sally, I guess you don't have the owners manual. It tells you how to adjust chain tension. If you look around near the motor side of the bar, you should see two nuts that hold a bracket tight against the bar and an adjustment screw or bolt or something to loosen or tighten the chain by moving the bar or making it longer or shorter. Adjust that so that the bar is as short as possible and put the chain back in place. Then tighten that feature till the chain is snug again and tighten the two nuts to hold the bar firmly.

Posted on Sep 11, 2008

  • 475 Answers

SOURCE: the chain adjuster screw is broken

If the housing itself is broken you will probably be better off buying a new or used say. As that part would be very expensive and you will still have a used saw.

Posted on Apr 07, 2009

huffman49
  • 235 Answers

SOURCE: JUST BOUGHT A 20'' POULAN PRO TENSION A CHAIN

the adjustment screw near the end of the bar( next to the engine) needs to be turned in to tighten the chain just don't tighten it to much

Posted on Apr 04, 2010

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2 Answers

Husqvarna 50 chain keeps coming off


Are you adjusting the chain tension correctly?? Make sure the bar in installed correctly with the tension adjustment pin in the appropriate hole. Elevate the tip of the guide bar while adjusting the chain adjustment screw until the chain is snug but not tight. Then tighten the bar bolts without lowering the tip of the bar. Also ensure the drive links are engaging the sprocket correctly.

If the chain is adjusted correctly and the problem still exists, remove the sprocket side cover, bar and chain and inspect the sprocket for extreme wear. Once the sprocket is worn excessively it won't want to engage the drive links of the chain correctly which could be the source of the problem. If so, replace both the sprocket and the chain because the excess wear of the sprocket could have damaged the drive links of the chain and putting an old worn chain back on with a new sprocket will cause the new sprocket to begin wearing prematurely.

Apr 12, 2015 | Husqvarna Garden

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StarTrac NXT Chain Tensioning & Alignment Video


About This Video


Adjusting Chain Tension and Alignment on a StarTrac NXT


  • In this video, we show how to tension and align the chain and flywheel on a StarTrac NXT bike


  • First you see an example of a chain that is way too loose


  • To correct this loosen the flywheel bolt on both sides of the flywheel


  • Loosen the tension nut on the sprocket side of the bike and tighten the tension bolt until you get the proper deflection on the chain



    • A properly tensioned chain will have roughly 3/16" of deflection




  • Tighten the tension nut and the flywheel nut on both sides as shown in the video


Check the Alignment of the Chain and Sprockets after Making a Chain Tension Adjustment


  • Misaligned chains will look like they are walking from side to side where they enter and leave the sprockets



    • This can cause noise, premature wear, as well as making the chain look to be jumping from side to side during use




  • To correct this, loosen the flywheel nut on both sides of the flywheel, then loosen the tension nut and adjust the tension bolt to move the flywheel in the proper direction needed to align the chain with the flywheel sprocket, as seen in the video



    • Note: If you have already achieved proper tension of the chain, adjusting the tension nut on the opposite side from the sprocket will help to keep the same tension on the chain




  • Don't forget to check the chain tension after making an alignment adjustment




Chain Tensioning Alignment Video for StarTrac NXT Bike

on Feb 11, 2015 | Startrac Fitness Products Star Trac 4410HR...

3 Answers

The chain keeps coming lose and falls off


Make sure chain tension on the bar is correct and then the 2 nuts holding the bar is correct, Youtube has alot of videos on how to set chain tension as well as the Oregon website

Aug 27, 2014 | Craftsman sears 18" Chain Saw Chain (...

1 Answer

I tightened my chain on my 04 r6 and after I tightened everything back up I can barey roll it in neutral when I'm sitting on it. Can you over tighten the rear axle nut?


YES, and you set the chain tension with - Countershaft sprocket centerline, the swingarm bolt centerline, and the rear axle nut centerline - ALL THREE IN A STRAIGHT LINE....Use a yardstick to make sure they are IN LINE!!! Have one of your fat buddies sit on it while you adjust the chain. Make sure the chain runs IN A STRAIGHT LINE regardless of the marks on the chain tensioners!!!!!!!! I have always loosened the chain a lot, kicking the tire forward so when I CORRECTLY adjust the chain it is MUCH EASIER to make sure the chain is in straight line (you should remove the chain guard so you can see the chain), do it slowly, rotating the tire while watching the chain, making sure IT RUNS TRUE!! - Forget the alignment marks!!... then slowly get the tension correct (with your fat buddy sitting on it).. remember what 3 things HAVE to be in a straight line... snug the tensioners good - NOW tighten the axle...do not over tighten. THEN finish snugging down the chain tensioners. reinstall the chain guard. Double check the axle nut!!!!

Chain tension done professionally!!!

Jul 25, 2014 | Motorcycles

2 Answers

Chain keeps poppin off


These are the instructions for adjusting the chain. They are taken directly from the manual available at http://ep.yimg.com/ty/cdn/razorama/e100e200e300manual.pdf

To adjust the chain:
1. Loosen the axle
2. Loosen the brake anchor (this is attached with the small bolt in the long slot on the left side of the rear fork)
3. Tighten the tension adjusters on the axle 1/8 to 1/4 turn to tension the chain. Tighten both adjusters the exact same amount to maintain the wheel alignment.
Note: this system of adjusters is common to motorcycles and BMX
bicycles so I your are not familiar with it, if you know anyone who is,
they would not have a problem adjusting it for you.
Chain tension: The chain should be "just not-quite snug" in other
words, not taut or sloppy loose. BE CAREFUL NOT TO ADJUST TOO TIGHT. The tensioning system can easily impart too much tension and snap the chain or bend the motor output shaft. Turn the adjusters 1/8 to 1/4 turn at a time and recheck the tension each time.
4. Once the tension is good, tighten the axle and brake anchor bolt. Test run the scooter. Readjust as needed.




















Jan 02, 2014 | Razor E100 Electric Scooter

1 Answer

I cannot find my manual to my 18v cordless chainsaw ccs818. I need directions for putting the chain back on. I would like to download a copy of the manual.


Your manual can be found here:

http://www.blackanddecker.com/Manuals.aspx with pop-ups enabled then enter your model number
or
http://www.dewaltservicenet.com/documents/English/Instruction%20Manual/90560838,CCS818.pdf

See the instructions for replacing the chain on page 11. It makes reference to the figures on page 6 so that you know exactly what to remove.

Basically... loosen the bar allen screws. Remove the sprocket cover. Loosen the bar retaining bolts. Use a flat bladed screwdriver on the bar / chain tension screw to shorten the bar enough to install the chain. Then adjust the chain tensioner so that there is just a little slack in the chain at the bottom of bar between the drive sprocket and the bar. Tighten the bar retaining bolts install the cover / tighten all cover fasteners. (see details D and E page 6 of the 2nd link above.)

The steps below are copied from the manual.... I can not undo the formatting and can not post the figures here due to size restrictions..

Thanks for choosing FixYa,
Kelly

Replacing the Saw Chain

CAUTION: Sharp chain. Always wear protective gloves when

handling the chain. The chain is sharp and can cut you when it is

not running.

WARNING: Sharp moving chain. To prevent accidental

operation, insure that battery is disconnected from the tool

before performing the following operations. Failure to do this

could result in serious personal injury.

• Place the saw on a firm surface. Rotate the two allen head screws

(11) counterclockwise with the wrench (13) provided as shown in

figure E.

• To remove the saw chain (9), rotate the tension adjustment screw

(23) in the front of the housing using the flat screwdriver end of the

wrench (13) as shown in figure F. Turning the screw

counterclockwise allows the guide bar to recede and reduces the

tension on the chain so that it may be removed.

• Remove sprocket cover (10) and allen head screws (11).

• Lift the worn saw chain (9) out of the groove in the guide bar (8).

• Place new chain in groove of guide bar making sure saw teeth are

facing correct direction by matching arrow on chain with graphic on

housing shown in figure G.

• Place the saw chain and guide bar assembly around the sprocket

(19). Check to make sure that the slot (20) in the guide bar (8) is

over the two location pins (21) shown in figure E and that the hole

below the slot is located over the adjustment pin (22).

• Replace sprocket cover (10) and thread allen head screws (11) in

with wrench until snug, then back wrench off one full turn.

• Pull bar nose up and keep it up as you adjust tension.

• Rotate the tension adjustment screw (23) in the front of the housing

clockwise to increase the chain tension as in Figure F.

Follow instructions in "Adjusting Chain Tension" section.

• While still holding the bar nose up, securely tighten the rear allen

screw (11) first, then tighten the front allen screw.

• When the chain is new check the tension frequently (after

disconnecting battery) during the first 2 hours of use as a new chain

stretches slightly.

Adjusting Chain Tension

CAUTION: Sharp chain. Always wear protective gloves when

handling the chain. The chain is sharp and can cut you when it is

not running.

WARNING: Sharp moving chain. To prevent accidental

operation, insure that battery is disconnected from the tool

before performing the following operations. Failure to do this

could result in serious personal injury.

• With the saw still on a firm surface check the chain tension. The
tension is correct when the chain snaps back after being pulled

1/8 inch (3mm) away from the guide bar (8) with light force from the

middle finger and thumb as shown in figure H. There should be no

"sag" between the guide bar and the chain on the underside as

shown in figure I.

• To adjust saw chain tension, loosen the allen head screws (11).

• Rotate the tension adjustment screw (23) in the front of the housing

using the flat screwdriver end of the wrench (13) as shown in

figure F.

• Do not over-tension the chain as this will lead to excessive wear

and will reduce the life of the bar and chain. Overtensioning also

reduces the amount of cuts you will get per battery charge.

• Once chain tension is correct, tighten allen head screws (11).

• When the chain is new check the tension frequently (after

disconnecting battery) during the first 2 hours of use as a new chain
stretches slightly.

Nov 08, 2010 | Black & Decker Garden

1 Answer

Purchased a york hydraulic primary chain tensioner for my 2005 HD vtwin and it came with no instructions. Believe I have it installed correctly but any particulars for adjustments I need to know about....


Once they're installed, they usually self adjust from what I've been told. It works hydraulically. As the spring pushes up on the bottom side of the primary, the sucks oil in to keep the tension on the chain.

I've heard from some that they have noticed a bit more noise from the primary due to the added tension on the primary chain. Personally, I guess I'm just "old school". It ain't too much trouble to check the chain tension every two or three thousand miles. But, then again, I work on the things for a hobby.

Jan 24, 2010 | 2003 Harley Davidson FLHTC Electra Glide...

1 Answer

Timming chain adjustment


Most likely you have anautomatic cam chain tensioner, which cannot be tensioned, and the only remedy is to replace the cam chain (if it's stretched). If, however, you have a manualy adjusted cam chain tensioner (highly unlikely), you have to look up the tensioning value in your workshop manual.

Jun 13, 2009 | 1986 Yamaha FZ 600

1 Answer

Chain keeps jumping off


when you adjust the tension of the chain, ensure the tip of the bar has upward pressure applied to it. This ensures the tension is correct while in use. Improper tension adjustment can cause the chain to loosen in use and "jump" off the bar. Improper adjustment can also stretch the chain leading to the same result.

please take the time to give this solution a fix ya rated

clarkco

Mar 19, 2009 | Remington Polesaw Wizard

1 Answer

Chain tension


Hi Sally, I guess you don't have the owners manual. It tells you how to adjust chain tension. If you look around near the motor side of the bar, you should see two nuts that hold a bracket tight against the bar and an adjustment screw or bolt or something to loosen or tighten the chain by moving the bar or making it longer or shorter. Adjust that so that the bar is as short as possible and put the chain back in place. Then tighten that feature till the chain is snug again and tighten the two nuts to hold the bar firmly.

Sep 07, 2008 | Remington Electric Pole Saw

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