[GreenKeys] PVC Tube replacment for hammer pad on TTYs

[B Degnan]

Hey all....I noticed that the PVC tube I used to replace the rubber print hammer head of my Teletype ASR 33 about this time last year developed a divot where it makes contact with the print cylinder. Not sure if this ever came up before for anyone else.  I use my 33 pretty often (PDP 11/05 and SWTPc 6800 work). 

As a matter of practice I will be replacing the print hammer pad each time I replace a ribbon. Perhaps I use my teletypes too much ;-) 

Bill 
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