I just used a plastic tube cut to fit overtop the hammer, in place of a rubber hammer
On Tue, Jun 3, 2025 at 3:38 PM Frank Smith via cctalk <[email protected]> wrote: > Also, don’t try to print without the rubber print hammer, the typeface > metal is softer than the metal of the print hammer, and without the rubber > hammer in place you will quickly flatten out the letters. A small piece of > vinyl tubing can work as a temporary substitute. > > Frank > > > On Jun 3, 2025, at 2:03 PM, Frank Smith via cctalk < > [email protected]> wrote: > > > > You might want to try asking on the greenkeys mailing list on qth.net > that specializes in old teleprinter gear. I know a few years ago someone > there made a mold and reproduced the rubber print hammers for the 33, and > there were also many other collectors and former Teletype service engineers > on the list that would help with troubleshooting and providing pointers to > parts sources. > > > > Good luck, > > Frank > > > >> On Jun 3, 2025, at 1:33 PM, Mike Katz via cctalk <[email protected]> > wrote: > >> > >> The reader issue is that the reader power pack board is missing. > >> > >> Do any of you have a spare power pack board (183087) . > >> > >> If I can figure out the voltages I may try to reproduce it. > >> > >> I don't know if the reader power pack board for automatic reader > operation (183079) will work or not. > >> > >> I'm still looking for the following items for the ASR-33 > >> > >> rubber hammer (180502) > >> paper spindle (181043) > >> paper tape spindle (183918) > >> paper tape ends (182935) > >> chad box (182924 or 182965) > >> > >> Thank you, > >> > >> Mike > >> > >> > >>>> On 6/2/2025 11:29 PM, Mike Katz via cctalk wrote: > >>> I was given an ASR-33 complete with stand, read & punch. > >>> > >>> This ASR-33 has been modified for RS-232 though a blue perfboard > mounted in the connection enclosure (under the cover place where the dialer > would be. > >>> > >>> Is has a DB25 ribbon cable coming off of this board. The perfboard > does not have a label on it that I can find. > >>> > >>> The ASR-33 also has a 3 x 5 conductor rectangular connector coming out > of the read of the unit with 6 female contacts installed. > >>> > >>> I was able to connect the ARS-33 to a VT-330+ at 110B 8-N-2 and send > and receive on the teletype. > >>> > >>> The punch seems to work as well. > >>> > >>> The reader will "chatter" then the reader is put in the stop position > and the tape out sensor is pressed but the sprocket does not advance and > the reader pins to not move. > >>> > >>> Questions: > >>> > >>> 1. Why the reader is not advancing and the pins are not activating? > >>> Could this be a read enable contact not being in the active position? > >>> 2. What are the outs of the RS-232 DB-25. Other than TX, RX and GND > >>> 3. What are the pin outs of the 3 x 5 rectangular connector. I think > >>> this is the current loop and other control signals. > >>> > >>> Does any any of the items below for sale or have a 3D model I can > print: > >>> > >>> 1. Roll Paper spindle (the spindle that the roll paper spins on) > >>> 2. Paper Tape Punch Spindle (the spindle that the paper tape spins on) > >>> 3. Paper Tape Chad feed tube > >>> 4. Paper Tape Chad Box > >>> > >>> I will be connecting this to either a PiDP-8/I or a PDP-8/E for now > and eventually a PDP-8/L > >>> > >>> Thank you, > >>> > >>> Mike > >>> > >>> > >>> > >>> > >> >
