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Chain saw runs but clutch mechanism is frozen and chain drive doesn't move

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Try working some WD-40 into the clutch shoe pivot points and physically move the shoes until they snap back when pulled to the drum and released. When free to move, oil the pivots with bar oil lightly. Make sure the oiling system is working properly by running the bar tip at speed near some cardboard for a few moments--it should throw off a thin line of oil. Hope this helps!

Posted on Oct 23, 2010

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1 Answer

How does the clutch mechanism work on a champion 2000 chain saw


Every chain saw I have ever seen has a centrifugal clutch. As the engine revs pickup the clutch pads are forced outward to the inside of the clutch basket and moves the chain. As the engine slows down the outward force reduces to the point where the clutch is released.

Feb 11, 2015 | Garden

1 Answer

Craftsman chain saw repair manual


Its not hard! You need to purchase a tool that goes into your spark plug hole. You remove the spark plug, put this tool in the hole. This tool stops the piston from moving so you can remove the nut holding the clutch. The clutch is what the drive sprocket is attached to. The drive sprocket is where the chain fits on at the engine side. remive the bar and chain and you will see the clutch. Use the tool and then use a wrench that fits the nut on the clutch. be sure you know which way removes the nut. It could be opposite of what you think. some are left hand threads some are not. I think these are not. After you replace the clutch be sure to lube the clutch bearings. Most people don't know this! use a grease gun made for saws and insert it into the hole at the end of the shaft that holds the clutch. Also next time your saw cant saw through a piece of wood, do not give it gas to make the chain try and move.This is what burns up the clutch! If your saw stalls out, and you press the throttle and it still doesn't turn. Always allow the chain to move, pull back and lift up on the saw slightly to get the chain moving again.

Jul 09, 2012 | Garden

1 Answer

Chain saw starts and runs chain is moving at high speed but when placed against log it slows to a stop and does not cut, what should I do


Remove the clutch cover, bar, and chain. Wash out the interior of the clutch with spray carburetor cleaner to get rid of oil build-up. Reinstall the bar, chain, and cover after cleaning the bar drive-end small oil passages that run out to the chain groove. Adjust the chain up to the bar, but not so tight that you can't move the chain by hand. Hope this helps!

Jul 29, 2010 | McCulloch 16 Inch Gas Chain Saw MCC1635AK

1 Answer

Chain saw chain stopped moving


Was it running and shut down and was froze or when you went to restart it was frozen? Two things I have seen cause this other than a seized engine. One - chain bound up. Remove side cover and inspect chain mechanism. Two- the pull cord is bound up. Remove the pull cord cover and inspect.

Jun 15, 2010 | McCulloch 16 Inch Gas Chain Saw MCC1635AK

1 Answer

I have a poulan woodshark p 3314wsa it starts and runs, but chain doesn't turn


Does the chainsaw seem to rev up without any resistance, or does it bog down as you push the throttle? If it revs up quickly, then it sounds like the clutch plates may be frozen - usually due to rust. If it boggs down, then the chain and/or clutch housing are frozen or stuck somewhere.

The chain drive uses a centrifugal dry friction clutch with two weighted plates that are spring loaded. The springs keep the plates disengaged from the clutch housing to allow the engine to spin freely at an idle (or slip when the chain slows down due to the blade binding).

When you press the throttle, the engine revs up and the higher RPMs create centrifugal force causing the clutch plates to push outward - fighting against the springs, and begin creating friction on the inside of the clutch housing. If rust prevents the clutch plates from moving out to cause the necessary friction, the clutch housing (and drive gear which is permanently affixed to the housing) won't spin and the chain won't move.

With the engine OFF and cool...first take a thick towel or rag and place it over the chain with the engine switch in the OFF position. Try to move the chain in the normal rotation (top forward, bottom backward) to see if the chain moves freely or if it is stuck in position. If it does move, then take off the chain cover and then get a can of PB Blaster and spray the clutch plates and springs. Give it an hour or so and then take a rag and wipe off the excess and reassemble and try it. The excess PB Blaster will burn off with the heat of the clutch and the rust will no longer be a problem.

If the chain won't move, then somewhere along the drive the chain or clutch housing are stuck. Look for a bend or kink in the bar where the chain rides.

May 29, 2010 | Garden

2 Answers

Chain saw motor runs but chain doesn't


There are a couple of reason the saw blade will not turn.
- Make sure you have bar and chain oil in saw.
-Make sure oil is running on the saw blade and chain.
-Make sure the clutch is not stuck.
- Make sure the bar sprocket is not frozen.
-The safety kick back guard needs to be re-set.
-Shut off saw. Push and pull guard.
Please let me know what you find.

Feb 10, 2010 | Garden

1 Answer

Chain dies under light load, engine running ok


It sounds as though you have abraded away the clutch face. I’d try a local saw seller/mechanic, they may be able to adhere a new face to your existing parts.
I went here:
Homelite/Ryobi.com
https://www.gardnerinc.com/recons/disclaimer-lg.php - Agree; Choose “Product Line”; “Select OEM” & “Select Catalog” both to “Homelite Consumer Products”. A drop down list appears; self explanatory from here.
The numbers Homelite & Ryobi use don't match the numbers everyone posts. A careful inspection of your saw should find something that matches.
Chose “38cc 16" Chain Saw UT-10927” and on the “Clutch – Chain Brake – Drive Case Cover” detail found; item 20, clutch, pn984894001, $15.47; item 21, sprocket and drum assembly, pn984640001, $18.46

Yours is an inboard clutch but it must be removed, the outboard clutch video will help.
R² Drive Link Inboard Clutch
http://www.youtube.com/watch?v=YUbSIHMSSP8&feature=PlayList&p=4A4A1DF66590854E&index=0&playnext=1
The C-clips tend to fly when being removed. Please wear eye protection and exercise care.

R² Drive Link Outboard Clutch
http://www.youtube.com/watch?v=cdqkIuVNUQc
  1. Check at the IPL for your saw to see if any special tools are needed.
  2. A length of starter cord or nylon rope may be used instead of the piston stop (retain 6" ± so you can remove it). Make sure the piston is near the top of the cylinder before feeding the cord or it can fall through the exhaust port and damage the piston as it rises.
  3. It is probably a left handed thread (tighten it to loosen it).
    Let us know how it worked for you. GL
    Lou


Oct 09, 2009 | Homelite Garden

1 Answer

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

Mar 07, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

3 Answers

Mccullough chain saw pm610 chain slips -- maybe clutch issue


have you greased your clutch bearing ever.some times they get dirty and tighten up after running a while.pull your clutch off and clean and grease bearing with a little alex grease,and I mean just a few drops.not meant to have a lot of it,too much will burn the crank shaft and you will have more problems then you started with

Jan 01, 2009 | Garden

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