Husq 365 Clutch dilemma

[MartyJ76]

Can anyone add any light on the following please?

 

Rebuilt a 365 that had been crawled over by a tracked chipper. Included new bearing seals as split crank to replace clutch side.

 

Ok. all back together with new rear handle to boot (non OEM but it seems reasonably rugged). Fired it up but chain is turning over with every pull. It ticks over and idle and Low adjust as they should hence discounted leak around new seals yet chain is turning no matter what.

 

Looked a little deeper thought clutch was shot thus engaging with every pull, but springs not that weak. Pulled apart clutch side, I discover clutch appears to be binding with oiler worm gear (this after looking without sprocket on).

 

The order things are reassembled according to diagrams are thin washer (so this sits virtually next to bearing seal) then oiler torx screwed, then worm gear with metal insert which houses above thin washer below. then clutch directly on top (reverse thread).

 

But even if i sit clutch only lightly tightened on it still binds with and turns oiler worm gear. This obviously then turns sprocket and hence chain.

 

I prob should post pictures but there are so few parts involved, I cant seem to seat clutch without it tightening on to oiler and spinning it, there's plenty of play elsewhere and am used to tightening clutch down reasonably firmly and not catching on other models? even with a thin washer inserted in there its still going to pick the oiler up. Driving me mad, am wondering if crank has been bent (even only a microscopic amount) encouraging the clutch to bind?

 

The way it should work is sprocket should turn oiler worm gear, however the way it currently spins, clutch is driving worm gear> worm gear is the single 'arm' black plastic type, its in good condition. can anyone maybe redefine the order they have reassembled the above?