[GreenKeys] ASR33 Print Cylinder damage photos

John John at tubetestingpros.com
Sat May 22 22:37:10 EDT 2021


Greetings Greenkeys!

My venerable ASR33 accumulated a list of Things to Do - the power supply 
went bad, the ribbon needed replacing, the I/O needed a bit of work, the 
type cylinder got hammered (literally) - so today turned out to be 
auspicious for TeleTypewriterTLC(tm).

The power supply's filter capacitor had dried up and was open; it got 
replaced with a nice new part about 1/4 of the original size. (250uf @ 
75 volts)

Replaced the ribbon, reseated contacts, cleaned, oiled, etc - and 
replaced the type cylinder which had gotten thrashed when the hammer 
element flew off in the middle of a listing while I was in the other 
room....    so I replaced and re-aligned it.

As a cautionary tale, I took a few photos of the damaged cylinder at 
about 8X magnification.  It's interesting to see what happened in about 
30 seconds of running minus the rubber part on the hammer. It has 
certainly wrecked the type cylinder, and of course no fixing it.  I had 
a spare, so it's on the machine and working well.


I'll send these in 2 separate posts so as not to stress the signal lines.

Photos 1 and 2 of 4 are attached.


Cheers

John KB6SCO

Carson City


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