Dismantling a Meddings M4 quill activator gear shaft

I have the exploded parts diagram for the M4 series but cannot make out what is involved in getting to the activating gear bush which I suspect needs replacing - operating the Star Wheel is not quite as silky smooth/stable as I would like it and something in there is a little bit worn (in relation to my other MF4). I have already stripped the gearbox to replace a tufnol driven gear (shredded by some eager owner trying to change gear with the motor running) so I might as well get the activating gear working as it should. With the star wheel hub Nut removed, the hub does not want to pull out to the right. Does everything in fact pull out to the left (attached to the return spring box) ? I can of course explore that, but first I thought it would be very nice to hear some advice from anyone with some experience replacing this gear bush. Thanks in advance, Adam

Edited By Adam Harris on 18/03/2015 21:24:46

Hi, Can I ask you you removed the input pulley. Is it on a taper bush? Mine looks like it is but I can't for the life of me get the taper bush out of the pulley. The half hole in the pulley doesn't line up with half threaded hole in the pulley, it is approx 45 degrees out. I have drilled and threaded 2 M4 holes into the top face of the bush and made up a little pulley to pull up on the bush and push down on the pulley, but all it has done is bend the mild still bar that I used. Am I doing something very wrong?

Apologies for posting this in multiple Medding drill threads, I'm desperate to get some advice from someone who has removed one of these pulleys.

Send him a PM? More likely to get a reply if he has set up for email notification of PMs.