After refurbishing both air pin blocks and replacing the paper tower air connector on my Monotype, I tried another dry run with the ribbon I had. I was finding that there still seemed to be substantial air leaks, which sounded…
Category: Letterpress
A Monotype aftermarket mod
Up until recently I have used my Monotype without its paper tower for font and sorts casting. What I found frustrating in doing so was manually positioning the matcase. This is a minor setup nuisance when casting from display mats…
Monotype Pneumatics – Front Pin Block R&R Part 3
All the parts from the front pin block have been cleaned and repaired, and so it is time to reinstall them.
Another home-made Monotype part
While refurbishing the front pin block on my Monotype caster I observed the wear on both the jaw pin guide rod and its support caused by having the rod fitting loosely in the support. The end of the rod is…
Monotype Pneumatics: Paper Tower air connection completed
I added two spacers made from 0.015″ brass shim stock to the collar on the paper clamp shaft, so that the collar would be flush with the step in the shaft and thus provide good support to the inner O-ring…
Monotype Pneumatics: Paper Tower Air Supply Connector
I have now installed my new Paper Tower Air Supply line to replace the leaky one that was on the caster. I made a top connector from brass, giving it counterbores at either end to accept standard O-rings for sealing…
Monotype Pneumatics: Front Pin Block R&R Part 2
After disassembling and cleaning the front pin block parts, I noted wear on the Pin Jaw Guide Rod Support, as well as on the guide rod itself. Furthermore, there were several holes in the cover plate that seemed to have…
Asymmetric Tong Washers on Monotype
Refurbishing the front air pin block on my Monotype caster required, among other things, removing the two sets of tongs that operate the matrix and air pin jaws. Each of these tongs has a pivoted mounting post that is…
Monotype Pneumatics: Front Pin Block R&R
After refurbishing the rear air pin block on my Monotype caster, I am now doing the same to the front pin block. Disassembly is a bit different from the rear block, because the front buffer must be removed in pieces:…
Monotype Pneumatics: Rear Pin Block R&R
As I mentioned in an earlier post, I have found that the air pins on my caster are somewhat sluggish, and in some cases stuck completely. To diagnose this and get the pins on the rear pin block moving freely,…
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