[GreenKeys] M28 typing unit typebox adjustment

[til128 at juno.com]

Go to:

https://www.navy-radio.com/manuals/tty/217B-5903.pdf

Scroll down to page I-63.

Tom WB2TTY

---------- Original Message ----------
From: Ken LoCasale via GreenKeys <greenkeys at mailman.qth.net>
To: greenkeys at mailman.qth.net
Subject: [GreenKeys] M28 typing unit typebox adjustment
Date: Fri, 17 Apr 2026 20:00:17 -0700

Gang,

I would like to fine tune the vertical relationship between the typebox 
and the curvature of the platen. All the characters print heavy on the 
top of the character, and the lower portion of the characters are much 
lighter, like the type box must be raised in relation to the curvature 
of the platen. Is there an adjustment to raise the type box and hammer 
mechanism simultaneously? A document and page number would be very 
helpful. I am loathe to start adjusting the wrong mechanism. Thanks in 
advance.

ken - wa4mnt
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