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Posted by David Croxford on August 19, 2008, 4:09 am
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On Tue, 12 Aug 2008 23:31:56 +0100,
> As per my previous post, I've just rebuilt my Bantam's topslide and I'm not
> 100% certain about adjusting the gib. The Bantam's topslide has an angled
> gib which forms one of the dovetail sides rather than a separate gib strip;
> the gib is attached to the underside of the topslide body by 4 no.10
> capscrews and has 4 grubscrews in the topslide body acting against the gib
> for adjustment. It seems to me that if I tighten the 4 capscrews, the
> adjusters won't work but I'm worried about leaving these screws loose as
> there are no spring washers to prevent the screws loosening further.
> Can anyone tell me the correct procedure for adjusting these (it's not in
> the manual, or at least not on the pages I have)?
FWIW, on my Chipmaster, I used the cap screws to lock the gib after adjusting
it with the grub screws. The clearance holes for the cap screws seemed large
enough to allow for a little adjustment whilst still pulling up square. I've no
good reason for doing this except that it seemed the only thing I could do.
I have a complete Chipmaster manual, and that makes no mention of the correct
procedure either. Of course, tightening up the cap screws affects the
adjustment, so it's necessary to go ever everything a few times until it turns
out right. Rather like tappet locknuts, really.
--
David Croxford GPG key I.D. B49B6C9A
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> 100% certain about adjusting the gib. The Bantam's topslide has an angled
> gib which forms one of the dovetail sides rather than a separate gib strip;
> the gib is attached to the underside of the topslide body by 4 no.10
> capscrews and has 4 grubscrews in the topslide body acting against the gib
> for adjustment. It seems to me that if I tighten the 4 capscrews, the
> adjusters won't work but I'm worried about leaving these screws loose as
> there are no spring washers to prevent the screws loosening further.
> Can anyone tell me the correct procedure for adjusting these (it's not in
> the manual, or at least not on the pages I have)?