Project Squirrel

[Ocracoke]

That is a lot of linkages but even so, I can't see why it would burn out a motor unless it was out of sync...?

[Outlaw]

So I was a bit of a pillock in describing the motor burnout, and I found the proper failure point. The first linkage from the motor didn't have any relief (room for the bolt to move back and forth so the motor can make it's full rotation) so to speak, so the motor pressed against an immovable object. Whiiiich in turn lead to a busted drill motor...

But, I bought some LED and a 24v scooter motor that'll be ran at 18v, so major thanks to you guys for the links and recommendations.

[Ocracoke]

Ah, I see now. When I was prototyping an axe mechanism, I was forever getting it wrong and eating cardboard linkages as result.

[Outlaw]

Maybe when we get to Manchester, I can give you a proper look at the linkages once it's all said and done haha.

[Outlaw]

Well this may be a little annoying, ahaha.

So I took a proper look at the new motor I got, and I figured I could try and get the timing belt... gear, is it? either way, I thought I could get that little piece off and then stick some hdpe to it so I can retry the mechanism and move from there... not so easy, as I have no idea on how I could get it off. It's got little tabs that hold it to the keyed axle of the motor and it refuses to move... any advice on how to get it off there without breaking it all? Or would it be better to bite the bullet and go for a belt driven axe?

[TechAUmNu]

From the ebay link, it has a circlip on the end of the shaft (The little black ring).
circlip-250x250.jpg
You just need to push that bit off with a screwdriver or something and the pulley will slide off the D-shaft.

[Roboteernat]

Post a picture of the motor as this may help in saying how to remove it - cant quite picture the tabs

[Maxamuslead]

Post a picture of the motor as this may help in saying how to remove it - cant quite picture the tabs

IF he got it from THIS ebay link i sent him, then it is a circlip

[Roboteernat]

ah, just seen posting same time

yeah screwdriver in the gap and twist will ping it off. same motor and gear as mine

[Outlaw]

So thanks to you guys, I figured out how to get the circlip off, or e-ring, or whatever it's called haha. But I'm still stumped on how to remove the pulley itself off? Would a pulley remover be a decent shout? And if so, what kind would you recommend?

[Ocracoke]

Are you planning to use the pulley itself? If not, I'd cut a slot into it down to the motor shaft with a Dremel or similar and then slide it off.

[Outlaw]

I do, I plan on using it as the piece to hold the rotating HDPE piece to move the rest of the linkages.

[Outlaw]

So I saw some advice on the internet and I'm not sure how well it works... basically, you take two flathead screwdrivers, put them either side of the underneath of the pulley and slowly press down on the handles to push them up and eventually get the pulley up and off... good idea or no?

[Ocracoke]

I would only do this if there was something supporting the motor, you don't want the screwdrivers flying off and doing you any harm. I would look for a ball joint puller - normally for windscreen wipers but I reckon a small one might do the job here.

[adamclark]

try this, pinion gear removal
https://www.youtube.com/watch?v=7pmiOchcTSc&t=4s