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22-1-2017 16:45:26  #1


Remington 30 backspace problems

The backspace on my Remington 30 pushes the carriage back but the carriage does not engage and goes back to its original position.

Pushing the backspace key operates a lever pivoted on the back of the machine which pulls down a rod which rotates a shaft which <there be dragons here> actuates something which pushes on what looks like a small water wheel in front of the escapement gear which pushes over the carriage. By careful observation of the scale I see the button pushes the carriage over about a space but the carriage has to be pushed over around 1.5 spaces before it will engage and hold that position. I looked for something limiting the range of motion - the lever does not seem to be bottoming out anywhere so it must stop when the rod can't be pulled down anymore, but I don't know where the hold up is. The rod is attached to the shaft via an arm on a collar which conceivably could be adjusted, but it would be difficult to apply leverage to the set screws.

Is there anything easy I might be missing? The 30 is said to be a 12 with a decimal tabulator but it's possible there is a modification in the back space mechanism as there is a substantial difference in the entire tabulator mechanism which occupies nearby real estate inside the typewriter.


"Damn the torpedoes! Four bells, Captain Drayton".
 

22-1-2017 17:52:32  #2


Re: Remington 30 backspace problems

First of all, the tabulator and the backspacer, last I checked on most of my own machines, have absolutely nothing to do with one another.  Their functions are mutually exclusive.  At least I have not seen a typewriter equipped with a ten key decimal tabulator with a specially modified backspace.  Now, you have one of two routes to take.  The first one would be if there were an adjustment in a link going up to where the pawl pulls back the escapement wheel.  It doesn't seem to be pulling far enough.  It could also be that the escapement mechanism might need attention.  Be sure to clean and lightly oil it so it would stand a better chance at catching after the backspace was actuated.  If it still doesn't, an adjustment or two might be needed.  There should be a way to shorten one of the links (I'll have to examine one of my own Remington 30s to be exactly sure.  If you're still having trouble by the time I have had a look, I might be able to give a more accurate account of what I see.  But anyway, this should get you in the ballpark.  Also, you can try bending one of the linkages a little bit to shorten it so it will pull the escapement wheel further.  Let me know how you come out.


Underwood--Speeds the World's Bidness
 

22-1-2017 21:08:20  #3


Re: Remington 30 backspace problems

Right.  I know there is no direct link between tab and backspace (lousy pun unintentional), but I was just remarking that compared to the more common 12 it may have been necessary to redesign the backspace components to accommodate the different nearby tabulator components -- as you know the 12 has the traditional manually movable stops but the 30 not only has the multiple tabulator keys but the more modern complete row of tab stops set from the keyboard - though an odd tab clear mechanism that requires you to reach around to the back of the machine.

In terms of access to the mechanism I did remove the back panel but that does not give me a clear view of the parts of the mechanism near the escapement -- I'm not sure I want to attempt additional disassembly, I mean, it's a relatively minor problem as you can always push the carriage back a few spaces by hand and space forward!  If it's not an easy fix I will probably let it go.

By the way, one of the blades on the turbine looking thing engaged by the pawl is broken off. I'm afraid that happened on my watch  -- there is some separate issue that locks the carriage very occasionally, and the first time it happened I was jiggling it back and forth perhaps with a few more grams force (pedants begone, I know a gram is a mass) than strictly advisable on an older machine, and there was that gear slipping sound you never want to hear. I think it broke then because when I first saw the break it was bright but a few days later is was dull.  Next time the carriage locked (only two times so far and I've typed twenty or thirty single spaced sheets on the thing) I was more gentle and squirted some solvent around the escapement and jiggled delicately.

This means in some positions of the carriage the thing will not backspace at all, but does not seem to be related to the failure to catch when it does backspace. Thank the god of typewriters I broke a tooth which only is involved with backspacing and not one on the main escapement gear - and those things look pretty darn fragile! 


"Damn the torpedoes! Four bells, Captain Drayton".
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25-1-2017 17:14:25  #4


Re: Remington 30 backspace problems

If you are a TWDB member there is a repair manual under the repairs section under resources.
It is titled DE Fox typewriter repair or something similar. It has a whole section on the Remington 12-series machines with illustrated diagrams.


My blog - Just Typewriters
 
 

26-1-2017 18:40:50  #5


Re: Remington 30 backspace problems

mre12ax7 wrote:

If you are a TWDB member there is a repair manual under the repairs section under resources.
It is titled DE Fox typewriter repair or something similar. It has a whole section on the Remington 12-series machines with illustrated diagrams.

Thank you for that. I don't know if you have to register to see that one but some you don't and I started reading one and it was a very humbling experience.  It made me feel like a damn fool for thinking I knew something about typewriters and it also made me aware just how high the standards (pun unintentional) were for machines in daily commercial use. There are a few pros out there now but many gradations of amateur, and most of the machines we drool over would probably be considered badly in need of servicing while some which prompt encomiums over their endurance would be considered overdue for rebuilding or junking. But what are you going to do - typewriters now for most of us are like cars in Cuba during the long drought: no new ones but a lot of creative repair work to keep the old ones running. A '56 Chevy kept running by jury rigging as personal transportation in '06 was not up to factory spec either.

The reason I did not register immediately for TWDB is that gmail need not apply! Bunch of damn spammers, we are.


"Damn the torpedoes! Four bells, Captain Drayton".
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