Flywheel & Baseplate Removal?

[Hugz]

If the flywheel rocks a bit before becoming tight it is your gearbox, if it is tight constantly it is the motor. Personally I don't think it matters where the piston is as there is airspace in all positions on the crank U. I think something bent ie crank. I'm assuming you hit it hard? You could drop the leg off ie two bolts under the motor but I'm not expecting that to free it up.

Hugo.

[John1952]

Thanks hugo,
just followed these instructions, http://www.saving-old-seagulls.co.uk/faq/flywheel.htm,
bloody shame, lovely looking motor, maybe I should have left her alone in the corner behind the others.
Its a strip down I guess,
block first????
John.

[RickUK]

Have to wonder if the problem is in the gearbox (which is unusual) as opposed to the top end.
I haven't gone through all the posts - I take it the engine did rotate at one point as you say the compression is a lot higher than on your other motors - did you measure the compression, or was it just stiff to turn over? if stiff, there might be some light corrosion on the piston rings/ bore - think the only solution at the moment is to pick yor way through the three parts - ie, gearbox (don't necessarily dismantle it fully - take it off the leg as a whole and see if it rotates), check the magneto/flywheel assembly per yesterday's post, and find out if the crank/piston assembly moves freely in isolation. Rick

[John1952]

Thanks for your reply Rick,
just finished putting her back together and yes the crank/piston assembly was the problem, my wife must have hit it too hard on removal of the flywheel and base-plate, to me she didn't seem to be hitting it hard enough, well there's a lesson to learn for me!!
Solved the problem, believe it or not by finding the tight spot and using the hammer in reverse, and a bit at a time releasing the tight spot in the crank, if you know what I mean!!
Put another base-plate and flywheel on and guess what?
NO SPARK!
Ive had enough for today, in fact Ive had enough full stop.
Going to put her to sleep behind the others in the shed and leave her there for a while! serves her right!!
Thanks again for all your help and everyone else for contributing to this nightmare

[Collector Inspector]

This sounds like a real "Quality Drama", stiff to turn even from the prop.

I would think that dropping the gearbox would be a first do and then see how the crankshaft turns, take about 1/2 hour to size that up eh.

If the crankshaft/flywheel improves then the problem is in the lower unit, probably having a bash with the ground when initially doing the wheel bash in the beginning.

All my old dears, no matter what make or model are suspended at least 12" off the ground via a strap around the underside of any flywheeel before a "Tap" or "Belt the Bastard" from above. Yes, completely off the floor!

Anyway, back to it............IF the clamp on the tourque tube slipped UP because of a "On Ground Experience" while the first hit was made.....it would have shortenned any centres for drive shaft float and normal upward force of the crankshaft thru bushes . Gearbox pinion then gets loaded up? Yeh?

As the Old Dear stands now, any crankshaft float? (Up down from the flywheel etc?

Check it out, could not be that hard to suss this.

OH, no reason to actually take the gearbox off..............loosen its clamp and persuade lower by say 1/8" or so? then check eh....

Let us know how you go...

Regards

B

PS: Where the Hell did I put the Spleng ChKa.........

[John1952]

This sounds like a real "Quality Drama", stiff to turn even from the prop.

I would think that dropping the gearbox would be a first do and then see how the crankshaft turns, take about 1/2 hour to size that up eh.

If the crankshaft/flywheel improves then the problem is in the lower unit, probably having a bash with the ground when initially doing the wheel bash in the beginning.

All my old dears, no matter what make or model are suspended at least 12" off the ground via a strap around the underside of any flywheeel before a "Tap" or "Belt the Bastard" from above. Yes, completely off the floor!

Anyway, back to it............IF the clamp on the tourque tube slipped UP because of a "On Ground Experience" while the first hit was made.....it would have shortenned any centres for drive shaft float and normal upward force of the crankshaft thru bushes . Gearbox pinion then gets loaded up? Yeh?

As the Old Dear stands now, any crankshaft float? (Up down from the flywheel etc?

Check it out, could not be that hard to suss this.

OH, no reason to actually take the gearbox off..............loosen its clamp and persuade lower by say 1/8" or so? then check eh....

Let us know how you go...

Regards

B

PS: Where the Hell did I put the Spleng ChKa.........

Thanks for your post Collector Inspector,
have you read my previous post?