Model 313 Jam

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1 year 5 months ago #3099 by PlaneGuy
Model 313 Jam was created by PlaneGuy
I need some help with a model 313 I have been working on. I know I have either read about this jam or watched it on Dick's video but for some reason I can't remember the fix. A few days ago the machine was working fine before I started putting the brass covers back on. Now the whole machine is jammed, the key arms are not partially depressed and none of the keys will move. I can't tell if it is out of time or what?? Any ideas on how to unjam it?

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1 year 5 months ago #3100 by dep
Replied by dep on topic Model 313 Jam
For starters if it has the red "flash", grab a hold of it ,pull it up and let it go..that will correct if the mech is in mid cycle.
dep

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1 year 5 months ago #3101 by NAV
Replied by NAV on topic Model 313 Jam
Is the drawer in the machine or out?

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1 year 5 months ago - 8 months 1 week ago #3104 by Lombard Illinois
Replied by Lombard Illinois on topic Model 313 Jam
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1 year 5 months ago #3110 by PlaneGuy
Replied by PlaneGuy on topic Model 313 Jam
I dug back into the machine and what I found out was the counter was jamming up the mechanism. This is the counter for the dollars and cents. I would take it out, the machine would work, then I would re-install it and the machine would jam up again. I thought that it must be the counter itself but that mechanism worked fine. What I found was this lever that was installed on the left hand side of the counter. I included a picture of it installed and then after I took it out. The end of the lever touched the shaft at the back of the machine and the best I can tell is that it was unused in the machine because the machine did not have a cam in that location. Once I took it out, I got no more jams. Does anyone know what this piece is for?
Thanks again for all of the insight. As someone who is just starting to collect, it is nice to know if I get stuck I have plenty of very knowledgeable people that can help me out!!
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1 year 5 months ago - 8 months 1 week ago #3111 by Lombard Illinois
Replied by Lombard Illinois on topic Model 313 Jam
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1 year 5 months ago #3112 by rvkapp1
Replied by rvkapp1 on topic Model 313 Jam
You kinda need that part. It locks the mechanism by pressing on the key coupler while the counters are in mid reset. I have attached a picture of the counter and that part on a model 312. You need to make sure that your counters are completely reset. When installed properly the machine will operate when the counters are reset to zero.

If you remove this part and the counters are in partial reset, this will allow the keys to be pressed and you take the chance of damaging the counters.

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1 year 5 months ago #3113 by Dick Witcher
Replied by Dick Witcher on topic Model 313 Jam
When you reset the counter back to zero the whole center shaft of the counter turns & has a spline that picks up the counter wheel pawls & carries them back to zero. You don't want to be able to operate the machine while you are resetting the counter. On the left side of the center shaft, you will see a round cam with a notch in it. There is an arm that sits behind the cam with a rolling stud in the notch. As the counter turns the stud is forced out of the notch & up on the high part of the cam. The tail of this arm will move out of the way of turned portion of the counter turn back lock pawl allowing it to fall forward putting the foot over the key coupler preventing any key to be pressed. After the counter comes to the home position a big spring drops the stud back in the cam & the aux. co. throwout lever comes back up in the back moving the lock pawl out of the way of the coupler. The tail of the lever will also prevent you from trying to reset the machine when a key is pressed. The counter has to be real free & working correctly. Their is a section in the DVD that show how to rebuilt the counter etc.

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