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Chain gear stripped

1800W. The gear that pulls the chain, is worn out. THE CHAIN DOESN'T MOVE.

Posted by Anonymous on

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  • Expert
  • 76 Answers

If it's a gas saw, the centrifugal clutch must be bad

Posted on Oct 05, 2016

6 Suggested Answers

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Posted on Jan 02, 2017

  • 152 Answers

SOURCE: Poulan chain saw. After starting, chain drive won't move

If equipped, the chain brake may be engaged. Its the lever just ahead of the fore handle. (pull back on it)

If the clutch assy. were frozen, then the chain would move all the time.

Good luck
Aduz

Posted on Mar 11, 2009

  • 2 Answers

SOURCE: My chain saw starts but won't move the chain, and shuts off when

Make sure the chain brake is not engaged.Pull it toward the handle until it latches.Also check for sawdust under the chain sprocket cover.Adjust the chain to remove slack but make sure you can still move it by hand.

Posted on Apr 09, 2009

  • 2 Answers

SOURCE: Ryobi 40cc chain saw, pull cord won't turn engine

If it has ball bearings in the rachet mechanism they may be sticking and need cleaning so they move freely.!

Posted on Aug 14, 2009

rwvanlue
  • 486 Answers

SOURCE: Chain sprocket worn out

Outboard drums (drums on the outside of the clutch) are held on by a nut or e-clip.

Inboard drums are held on by the clutch which is threaded onto the crankshaft. And there is the challange.
***NOTE all chain saw clutches have LEFT hand threads, so, rightey loosey, lefty tightey. (just backwards from everything else)

*** NOTE #2: DO NOT USE AN IMPACT GUN
this will most certainly shear the flywheel key or damage the flywheel !!!!! (after 35 years, you can ask me how I know that, LOL)

1) Use a piston stop to hold piston from moving: THIS IS A MUST !!!
Ok, so you do not have one, let's make one.
a) remove the spark plug
b) insert a piece of recoil rope into the cylinder hole, leaving a tail to remove it by. (rope, large shoe string, anything that is soft, that is aprox 1/4 to 5/16 in diameter to place into the spark plug hole to help the piston to stop it's travel by filling up the empty space. Just make sure you can remove it later)
c) secure the saw (extra set of hands may be needed) and with a suitable wrench on the clutch center, rotate the clutch to the right until piston comes to a stop. With a hammer, tap the wrench to aid in rotation. This can be very difficult, and may take several taps.
d) after removed, inspect and grease the drum bearing before re-assemlby.
e) upon re-assembly of clutch, tighten by hand only, NO hammer required. The force of the chain will tighten the clutch.
f) remove the rope, and re-install the spark plug.

Posted on Nov 22, 2009

  • 4088 Answers

SOURCE: chain brake is jammed, chain will not move when cranked

Take the side cover off of the clutch area and watch while you try to move the brake. Something may be broken or out of place. If the brake band which is fitted around the clutch drum is damaged, it may be causing non-release.

Posted on May 14, 2010

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1 Answer

Cover won't go on.round metal strip won't fit on round spindle that turns chain.E-235.Do I need the break bar?It doesn't line up either. DB


Sounds like the chain brake was set when you took the cover off. You need to disengage the chain brake (release it) so the round spindle will fit inside. Look for the two parts (one on cover, one on saw) that match up at the base of the chain brake. You won't be able to fit the whole cover on, but if you can line up where the metal triangular gear engages the chain brake, you can give it a snap to disengage it. What I have done in the past is to line up the two parts and push down on the top of the cover where they meet so as much of the gear is in the chain brake release as possible ( I put a knee on it ) and then give a snap to release it. Be careful though, because the cover part is plastic and you don't want to strip that part of the chain brake assembly. Good luck.

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Chain broke, I reconnected the chain, udjusted it so it was tight and now the short side is loose hanging low and the longer side from gear to gear is extremely tight, under tension. HOW DO I REMOVE THE...


Release the door from the opener by pulling down on the rope. It will be very hard to pull. This should release the tension on the chain but I think you need professional help with this opener. It sounds like it is badly out of adjustment. The chain coming off is an indication of a worn bearing that will have to be replaced.

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I can't tighten the chain. I turn the wheel to tighten it, but the little catch that fits in the hole on the bar does not move. the wheel turns but the chain remains loose


If this is the tooless chain tentioner, i would suggest the small gear arrangment in the cover has stripped, many of the gears were only plastic, remove the screws holding the cover over the mechanism and check what has striped

Feb 21, 2011 | Poulan Pro Chain Saw 46cc 20"

2 Answers

Chain keeps falling off


Have you stripped the studs that hold the guide bar in position? It is the only thing I can think of unless the guide bar has worn down so much there isn't a deep enough groove to guide the chain

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The motor on my Genie Chain Glide garage door operator runs but the chain does not run or move.


If the chain does not move but the motor runs then you have stripped the internal gears. I would replace here. These chain glide units are not very strong. There might be a chance the chain is telescoping down the rail but the trolley is not hooked up. Pull the red cord back toward the motor to engage. Thanks BB

Dec 29, 2009 | Genie Company Genie PowerLift Excelerator...

1 Answer

I have put on a new bar and chain but chain is jamming/loosening


with the chain on the saw and the saw not running, pull the chain around the bar, does the chain mesh with the drive gear correctly? If not, you got the wrong chain or the gear is worn out.

Oct 27, 2009 | Garden

1 Answer

Ryobi 40cc chain saw, pull cord won't turn engine


If it has ball bearings in the rachet mechanism they may be sticking and need cleaning so they move freely.!

Aug 14, 2009 | Ryobi Factory Reconditioned 18" 40cc...

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Gear slippage -drive gear to chain bar grates -chain doesn`t move.


Driver won't slip, your chain brake is probably on, pull break handle backwards to dis-engage the break. Is there chain oil in the oiler ? If saw has been run long enough without chain oil this would cause this to happen as well

Aug 14, 2009 | Garden

1 Answer

Internal gear slipping ,seems like rart of gear


you may be able to fix your problem by tightening up the chain a bit more. other wise, you may have to have that gear replaced because as you indicate it may have had it's teeth worn down. i would begin by tightening the chain.

Aug 14, 2009 | Ryobi 18-inch Electric Chainsaw Chain Saws

1 Answer

The chain wants to jump off while trying to change gears


There are several things that could be wrong:

Shifter out of adjustment

Chain worn

Chain and gear(s) worn

Shifter out of adjustment:
Try adjusting the cable tension by turning the barrel (the part between the cable and the shifter). Count the number of turns and reset it to its original position if this doesn't solve it.

Chain worn:
Chains wear out. hold a ruler up to it, with one end centered on a pin. 12" away, another pin should like up very very very close to the 12" mark. If not, it's probably worn out and needs to be replaced. No way around it. Some say chains are good for 500 miles only. Your mileage may vary. (keep reading...)

Chain worn and gear(s) worn:
If the bike has been ridden witha worn chain for a while, it will make the gears in the back wear faster too, and a new chain alone will not work. If this is the case, you need a new chain and new gears in the back. Often, gears in the back are replaced all at once in a 'cassette'. You'll have to make sure your front gears aren't worn out too!


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