Chipper Clutch?

Yuk.

On mine, there is a plate you are supposed to remove and grease what I think is the clutch throw out bearing.

Does yours have a plate that can be removed? It's the size of a business card, maybe a bit bigger. Just an idear!
 
damn that wind.

If it wasn't for that, i think i would know for sure.

but, from that little bit.

It sounds like the throw out bearing. Not costly.

it's the bearing that rides against the clutch pressure plate and this bearing rolls when the cutter wheel is NOT engaged.

important info, if machine is running low rpms like in warming up first in the day or between chippings, keep the cutter wheel engaged and at around 1000 to 1200 rpms.

if cutter wheel is NOT engaged, it's just like you are sitting at a stop light forever in a vehicle with you foot on the clutch.

this wears out the throw out bearing.

also, be sure to grease throw out bearing twice a week. but not every day.

you don't need a new clutch, likely just throw out bearing. not too many bucks.
 
Does not look like my clutch/pto. I know what Brendon is saying...
I had my Morbark make funny noises. Turned out that the spindle was bent and wormed out the main bearing. That cost 3 grand to fix.... 1200 hrs
My Woodsman is now at 1300 hrs and the clutch is getting old. Barely any adjust left. I figure that will wear out this summer, on the hottest day of the year, maybe a pine tree?
My old boss had his slutch replaced last year - cost$1500. Not so bad?
Hopefully something is just loose in there. Like a cotter pin broke off one of the arms that engage clutch?
Does it still work?
I forced my clutch into engage with an ax handle for a week...
 
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Does it still work?

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Yep. Totally fine. It's just like David described. I can only hear the noise when it is off and the cutter wheel is coming to a stop.
 
Go easy on the grease if that is your first plan of attack until you get the part. Too much grease will heat up and spray all over your clutch plates causing it to slip create hot spots and finally deteriorate. A little goes a long way. Good luck shouldn't be too much work and you might find it other than Bandit.
 
If you are going to go to all the trouble of replacing the throw out bearing then change the clutch assembly, have the flywheel resurfaced at a machine shop and get a new input bearing (sits inside the end of the crankshaft. You should be able to get it all in a "clutch kit". Pointless splitting all that apart to only do it again later on. If the bearing is gone or going then there will be corresponding wear on the diaphram "fingers" of the clutch pressure plate.
 
good advice.



Unless, the throw out bearing was never greased or had a defect.

But yeah, if it's gone out under it's normal expected lifespan, then the other components are likely about ready too. Good advice.


And other good advice on the too much grease thing. If you pump too much and too often, grease will get in clutch where it should not be. Too much grease can really cause a clutch to have problems. I might be mistaken, but i think grease and oil actaully cause a clutch to grab too much and can be damaged while engaging. if i remember correctly
 
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If you are going to go to all the trouble of replacing the throw out bearing then change the clutch assembly, have the flywheel resurfaced at a machine shop and get a new input bearing (sits inside the end of the crankshaft. You should be able to get it all in a "clutch kit". Pointless splitting all that apart to only do it again later on. If the bearing is gone or going then there will be corresponding wear on the diaphram "fingers" of the clutch pressure plate.

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Yep. Good point indeed.
 
Does the noise go away when you engage the clutch? If so its most likely the throw out bearing. What Xman said was totally correct on warm up procedures or sitting idle. Also when the machine is not running make sure you engage clutch to relieve the pressure on the diaphram springs. You'll maintain better clutch pressure for the life of the clutch.
On that style clutch I don't think you have the option to grease throw out anyway.
 
Even though I don't know exactly what it is, we're thinking it is a bearing issue (based on our experience and gathering opinions). And hopefully that's all it is.

If we have to go in there twice, then I'm okay with that. The second time will just go faster (and build good character).
wink.gif
 
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Does the noise go away when you engage the clutch? If so its most likely the throw out bearing.

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It does go away.

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On that style clutch I don't think you have the option to grease throw out anyway.

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You're right. No way to do routine greasing on the on I've got. I'll re-pac with grease today.
 
It's just like an automotive throw out. The more you have it disengaged while the engine is running the more the throw out will actually be spinning. Make sure that you have a slight about of play with clutch totally engaged. If there isn't then the throwout will be spinning also.
 
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