Question about Husqvarna Chain Saw 20" Bar

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Needle bearing maintenance

How to remove the clutch drum to lubricate the clutch drum bearing

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  • pursedog Oct 26, 2008

    How do I remove the clutch on a Husquvarna 353, bar not oiling.


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Use a plastic piston stop and the proper clutch removal toop. Try Baileys on line or Madsens saw shop for the removal tool. Must order for the specific model, but they are rather cheap.

Posted on Nov 02, 2008

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How do you change the clutch?

Remove the side casing. (bar side)
Take off bar and chain.
Remove E-clip holding the clutch drum on.
Remove clutch drum and needle cage bearing.
This should expose the clutch.
Remove spark plug.
Use a piston stop to stop the piston rising, Sometimes a knotted piece of pull cord fed into the cylinder is just as good.
Turn the clutch clockwise with a socket to unscrew.

To put clutch back on turn anticlockwise till piston cycles back and hits the piston stop again and tighten. Replace spark plug and clutch drum, bearing, bar and chain and side casing.

Mar 15, 2013 | Stihl 16" Chainsaw Bar Chain Saw 018 025...


How to remove the clutch & sprocket from Husqvarna chainsaw

The clutch type on Husqvarna chainsaws fall into two types, inboard clutch, this is where the drum is on the outside of the clutch, and held on with a clip, and outboard clutch, where the clutch is on the outside of the drum and holds the drum on. There are a number of reasons as to why you may need to remove the clutch and drum, to replace a broken spring, to replace the whole clutch,to lubricate the drum bearing, or replace the sprocket. On the pro saw range it is possible with outboard clutches to grease the drum bearing through the end of the crankshaft, there is a channel to the bearing from the outside, this is not possible on hobby, and domestic saws.
All Husqvarna clutches are just spun onto the crankshaft, with a left hand thread to make them self tightening, due to this they should NEVER be run with the bar and chain removed,and the clutch in place, or there is a very good chance the clutch will spin off on the over run, and can cause serious injury. Clutches should be jarred off against the compression of the saw, many have a 19mm nut on the outside so as to fit a socket, or the combination spanner supplied with the saw, the quickest way to remove this clutch is with an air impact wrench. If there is no nut on the outside, there will very likley be two cut a ways in the clutch spider, these are designed to take a flat screw driver blade, and with a suitable hammer you can strike the screw driver and jarr the clutch off, there is also a special tool for this type of out board clutch, it fits into the sides of the clutch with a 19mm nut on the outside part no. 502541601 available from Husqvarna dealers. The hobby saws from Husqvarna are produced in America, and as such use the Poulon clutch, this clutch should never be struck with a hammer, it is made from a sintered material and will shatter, there is a special tool to remove this clutch part no. 530031112.
The inboard clutch on the 371/372/365 also has a special tool available so as to use a 19mm socket, part no. 502522201.
The tool for the 357 clutch is part no. 502522202.
As a personal thing i never use piston stops, i have seen too much damage to internal engine parts when useing these, it is far better to jar the clutch off. As a rule of thumb you should not be able to pull the clutch shoes out by hand, if you can, the spring.springs are weak and require replacement, the clutch soes are also shamffered on there edge, the bottom of which is the wear limit.

on Jul 25, 2011 | Garden

1 Answer

Instruction to remove and replace cage bearing on husqvarna 055 chainsaw.

I guess we are talking the bearing in the clutch drum, to replace this you need to remove the side cover nuts and remove the side cover/chainbrake, make sure the brake is de activated by pulling the hand guard fully back to the top handle before removing it, the clutch has a 15mm centre nut, jar the clutch off against the compression of the saw with a suitable socket and speed brace, if you have an impact wrench this will remove the clutch in seconds, the clutch is just spun onto the crank with a left hand thread, turn clockwise to remove, once off the drum and bearing will just come off the crank for replacment.

Oct 05, 2011 | Husqvarna Garden

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Chain revolves when pulling starting cord. Difficult to start and when it goes the chain is permanently engaged. Cluch? What does a worn clutch look like and can I replace it myself?

Yes it could well be the clutch, if the springs are weak, or have broken, however it could also be the drum bearing, if this has not be lubricated it can seize on the crank and will turn the chain all the time, either way you need to remove the clutch and drum, if you can pull the clutch shoes out by hand the springs have gone weak, if the drum does not turn freely on the crank, it may be just a case of lubricating the bearing.

Jul 20, 2011 | McCulloch Garden

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I have a 455 rancher.I take very good care of my equipment but. the manual states to lube the clutch bearing.How can I do this with out tearing the clutch apart.It may also need special tools?Any help...

The passage in the operatore manual is the same in all mauals, it is taken from the pro saw manual, here you can grease the bearing through the end of the crank, you cannot do this on the 455, you do need to remove the clutch and drum, the reality is that the drum bearing is only turning if the saw is idling without the chain rotating, the crank then turns in the drum, unless you leave the saw idling for long periods of time ( this is bad practice ) the bearing is doing very little, there is normally plenty of oil flying around to lubricate it, to remove the cluch there is two cut a ways in the clutch spider, these are designed to take the screw driver from the combi wrench, with a suitable hammer jarr the clutch against the compression of the saw until it un spins from the crank ( left hand thread )

Jul 19, 2011 | Husqvarna , No.455 Rancher, 20" Gas -...

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I was cutting some wood when the chain on the blade stopped turning. i thought i'd done something wrong. when i got home i took the chain and blade off the machine and then reassembled the chainsaw. i...

If the saw was run with the brake on, or with the brake cover pushed on with the brake on, then there could be some damage to the drum, the clutch, or the pump drive gear that is normally driven by the drum, the lack of oil to the chain could be the same issue as the noise, remove the brake, clutch and drum, inspect all of these components for damage or blueing from heat, if you can pull the clutch shoes out with your hands then the spring requires replacement, check the needle bearing for the drum, if this is dry, then re grease it, check the oil pump drive gear for melting or damage.

Jun 24, 2011 | Garden

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It realy depends on wheather it has an internal clutch, or an external clutch, if the clutch is internal it is a straight forward job, start by removing the retaining c clip from the end of the crank, remove the washer, the drum shoud now just slid off, be carful not to lose the needle bearing, assembly is simply the reverse, if your machine has an external clutch you will need to remove the clutch first, there is normally a nut on the outside of the clutch, or two half circle cut-a-ways in the clutch centre, these are to take a special tool ( a cylinder with two pins and a 19mm nut on the top ) the part number of this tool is 530031112, the clutch is a left hand thread, undo clockwise, do not be tempted to use a screw driver or punch on the centre spider as it may snap the legs off.

Jan 28, 2011 | Poulan Genuine Chain Saw Complete Gasket...

1 Answer

How to lubricate needle bearing

Remove the clutch cover by loosening the 2 bar nuts. Lay the saw on it's side with the clutch drum facing upwards. Drip engine oil into the centre of the clutch drum while rotating it. That's all there's to it.

Nov 17, 2010 | Husqvarna Chain Saw 20" Bar

1 Answer

Husky 359 clutch bearing lube tech

Remove the chain brake cover and check the end of the crankshaft to see if there is a small hole for the roller nose lube gun that should have came with the saw. If so, inject a couple of pumps into this hole which will put grease into the bearing.

If no hole exists then you will have to remove the clutch housing from the saw which can only be done easily with an air or electric impact wrench. The nut comes of in the OPPOSITE direction (counterclockwise) that the nut rotates in when in operation - this should be very easy. Then remove the clutch housing which will expose the needle bearing and using your fingers smear the bearing with a small amount of light high pressure grease. Then replace the clutch housing and turn the nut in the opposite direction you used to take it off with your fingers until it is snug - then use the impact wrench in a very short burst to tighten the nut. Finally replace the clutch housing and/or bar and chain.

For a casual user this should only have to be done once a year as good quality chain oil can get into this area and provide some lubrication.

Jan 25, 2009 | Husqvarna Chain Saw 20" Bar

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