A Trio of Teutonic Typers Part I

Tony's Typewriter Toot - Part 1 of 3 - Adler Junior 3

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That screw, held snug by a lock nut, is duplicated at the other end of the carriage. They control how high the carriage lifts when the shift key is pressed.

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Loosen it with a 5,5 mm socket - if you dare ...

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...then hold the lock nut from turning while diddling with the screw. It needed to get loosened (counterclockwise turn) just the right amount to allow the platten to rise to meet the type slug just right. Repeat on the other side. Then test. Then diddle more ... repeat ... and finally H's and I's print clear, top to bottom. But we're not done yet - there is a matching pair of screws underneath. They control the resting position of the carriage, i.e., the lower case position. These screws needed to go in (closkwise turn). I worked with both pairs of adjustments to get the platten raised to the sweet position where the type slugs hit just right. 

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At some point I discovered this adjustment - that black screw in the center controls the downward range of the shift key. It prevents an over-energetic typist from jamming the carriage against the stops. It needs to be set to limit the travel of the shift key just at the point where the carriage rises to meet the height adjustment screws. It has a companion beneath the right hand shift key. So there were three pairs of adjustment screws, and their lock nuts, to deal with.