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Partner 370 how to replace worn sprocket drive on clutch drum

How do i replace clutch drum sprocket drive on partner 370 chainsaw

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You need to remove the clutch there is a special tool that fits into the two cut a ways in the sides of the clutch centre, the tool then has a 19mm nut on the other end this allows you to jar the clutch off against the compression of the saw, the clutch is just spun onto the crank with a left hand thread so it needs to be jarred off clockwise, an impact gun with a 19mm socket will work very well, the tool is part no. 530031112, should be available on the web.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: need to replace clutch & drive sprocket

The threads are left-handed. Remove the spark plug and with the piston high enough to prevent entry into the exhaust/transfer ports, stuff some pull rope into the cylinder head and upper cylinder to block the piston from rising much further. You may need to get a special tool to remove the clutch core assembly--don't use an impact wrench as it will shear the flywheel key. If the clutch won't drive the chain and is full of oil, try washing the clutch drum out with spray carburetor cleaner and let dry. This might save the expense and trouble of replacing it. Hope this helps!

Posted on May 28, 2010

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SOURCE: homelite chainsaw sprocket and clutch for chain

You can get the parts at your local tool rental store.. They should be able to do the service themselves to if you dont want to do it.. Let me know how you make out..

Posted on Jul 10, 2009

dennisgladx
  • 52 Answers

SOURCE: Poulan Wildthing 18" chainsaw 2375 sprocket/drum replacement

mso 9]> Normal 0 false false false MicrosoftInternetExplorer4 mso 9]> mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} --> mso 10]> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Hi tchild,
my name is Dennis Gladx and I can assist you with the problem of getting the sprocket off of the crankshaft of your chainsaw.

To remove the centrifugal clutch and sprocket you unscrew it from the crankshaft and it has a left hand thread. Also a little trick to remove anything from a crankshaft that could turn while you want to unscrew the item, Remove the spark plug and insert some rope into the cylinder for the piston to squeeze against and you will jam the piston without damage.

Glad to be of assistance Please rate this solution because I can learn from your rating. Thank you



Posted on Nov 08, 2008

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Mulcher repair


follow this steps and fix it. God bless you

Clutch

If the chainsaw chain does not engage the clutch assembly might be worn out. The clutch is similar to an automotive clutch. The chain sprocket is attached to the clutch drum and there are clutch pads underneath. As the pads wear out the clutch assembly no longer engages with the motor and the chain does not engage either.

Clutch Band kit

Chainsaws are equipped with a clutch band, a steel band that wraps around the clutch drum and is activated by the emergency stop lever. If the lever does not disengage the chain does not engage. Check to be sure the stop lever is disengaged. Adjust the clutch band if necessary.
Enter your model number to see parts for your chainsaw.
Help me find my model number picunavailable175.jpg

Drum Brake

Chainsaws are equipped with a clutch band drum brake, a steel band that wraps around the clutch drum and is activated by the emergency stop lever. If the lever does not disengage the chain does not engage. Check to be sure the stop lever is disengaged. If necessary, adjust the clutch band drum brake.5bf7a198-4466-44ee-8866-ccfc5b95f0ac.jpg

Nov 24, 2013 | Garden

Tip

Ok, great advice. My sprocket is worn out and I ordered a replacement. It came,...


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.

on Jan 06, 2010 | Garden

1 Answer

Chain does not move on the ms170 stihl chainsaw


I assume you have the correct chain for the bar and that the sprocket on the end of the chain bar goes around. Check the bar for any defects like pinches where the bar has been caught. Check the chain drive cogs for any burs on the edges - often happens if the chain has been run too slack and then come off!

Check the chain drive teeth thickness which should be the same as the chain bar can accept. Check also you have the right pitch chain for the drive teeth on the clutch sprocket. Assuming the chain brake is not on then you should be able to move the chain around the bar when all the slack has been taken out. If the chain and bar checks are all ok then there is a problem with the clutch. With the chain brake off the clutch with the chain drive sprocket on should spin reasonably freely. If not then you need to remove the 'E' shaped circlip in the centre of the clutch drum , remove the washer behind it and slide off the clutch drum. Then remove the roller bearing and be prepared to replace it if it will not run freely. Clean out all the muck in the clutch housing and check for anything obviously broken. If all appears ok then put a few drops of 2 stroke oil on the roller bearing and replace it on the shaft. Clean the clutch drum and replace it on the shaft. Then the washer and 'E' clip and re-fit the bar and chain. Re-fit the cover and tension the chain and try again. If that does not do it then there has to be a problem with the chain bar.

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Probably the shaft on the sprocket has sheared off.

Knox Knolls Outdoor Power Equipment
Springfield, IL 62704
www.knoxknollsope.com

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1 Answer

Chain on partner 370 chainsaw is permanently engaged so when I start it it is spinning. I think it may be a clutch problem?


Iether the clutch spring has broken, or become weak, or simply the sprocket bearing is dry and need greasing, either way you need to remove the clutch and sprocket, there is a special tool to remove the clutch part no. 530031112, this is a pin spanner that fits into the two cut a ways in the clutch centre so as to jar it off against compression with a 19mm spanner.

Oct 29, 2011 | Garden

1 Answer

On my petrol chainsaw the cog that turns the chain is not moveing


The sprocket should be fixed to the outer clutch drum. With the engine off, and the bar and chain off, hold the sprocket with channel lock pliers and turn the outer clutch drum by hand. If the sprocket does not turn, but the drum does, then the clutch must be replaced. (Left hand threads) To keep the engine from turning while trying to remove the clutch internals, stuff starter cord into the upper cylinder head area so that the piston cannot rise above the top of the exhaust port. If you have a saw service shop near you, you might farm out the clutch replacement. It usually requires a special tool to turn the clutch internals. Good luck!

Jul 23, 2010 | Homelite Consumer Products 9.0 Amp, 14 In....

1 Answer

Need to replace clutch & drive sprocket


The threads are left-handed. Remove the spark plug and with the piston high enough to prevent entry into the exhaust/transfer ports, stuff some pull rope into the cylinder head and upper cylinder to block the piston from rising much further. You may need to get a special tool to remove the clutch core assembly--don't use an impact wrench as it will shear the flywheel key. If the clutch won't drive the chain and is full of oil, try washing the clutch drum out with spray carburetor cleaner and let dry. This might save the expense and trouble of replacing it. Hope this helps!

May 25, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

My ryobi chainsaw rcs 2040 keeps stopping but motor is still running, chain not moving!


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1 Answer

Homelite chainsaw sprocket and clutch for chain


You can get the parts at your local tool rental store.. They should be able to do the service themselves to if you dont want to do it.. Let me know how you make out..

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