Seeburg USC1 Bandshell STOPPED!

After another CLOSE inspection I could see that the retaining ring was in place, but I couldn't see the bottom spacer, so I had no choice but to remove the record rack and complete clutch assembly.

Once the clutch was out I could see that both retaining rings were in place, with two spacer above the worm, but no spacers below the worm.

One of the spacers above the worm measured the 031 thickness needed below the worm so I moved it down and reassembled the clutch.

Now for the fun of getting it all back together and working again.

Keith,
Wish you would have asked first ( or read my Mech Guide)--there is no reason to remove the record rack, just to remove the clutch--
As far as the spacers go, they are not always factory assembled as shown in the manual. All that needs to be done is determine that there is no less then .002, or,more then .005 in "free play" in the worm gear. Also check the free play in the top bearing--I think you might find the problem there, as it sounds as if the clutch shaft is "jumping" up-- Ron Rich

Since you have the clutch out let me ask you a question - have you removed the horizontal yoke pin (e clips on both ends) and relubricated it?

Sorry Mark, by the time I read your post I had everything back together.

I'm not sure what the "yoke pin" is, so the answer would be no I didn't remove it, but I did give everything a good oil, and to be fair the clutch was in very good condition and already well soaked with oil and running freely.

It was a lot simpler to put back together and line-up than I was expecting. A couple of hours and it was running great. I followed all the alignments in the manual and now it's like new - rejecting problem solved.

The only problem I can see now, and which I have just discovered was a problem before I started working on it, is that after pressing the first number 1 or 2, if you press 3 as your second number the "press the reset" light comes on. Therefore, no selections can be made from the 30's bank. It only happens with the 3, all other numbers work okay.

Keith - Glad you were successful with the clutch. Glad yours was in better shape than mine as I literally had to pry off chunks of rock hard stuff attached to the gears.

Service manual 30-30 covers the DES1. My bandshell had a problem with the numbers 3 and 4 which apparently had some dirt on the internal contacts. Four or 6 screws hold the DES1 in. Easy to get at and remove, as the top just pivots towards you. On the back side of the DES1 are a few small openings that a "plastic safe" spray contact cleaner can with a straw fits into. I just sprayed it in and let it drip the dirt out. After it dried all the selection buttons worked fine. I didn't want to take the DES1 all apart as I hear there are many little parts and springs that can fly off when opened.

Just running the final tests and noticed that selections 109, 119, 129, 139 and 149 don't work. All the 200s work fine and all the other 100s, it is just these 5 numbers. The entry from the keypad works okay, they are just not being selected when the mech moves to look for them. What is the most likely problem here?

Keith,
What happens if you set the Toroids with a D cell?
Ron Rich

Sorry Ron, that was way over my head. What are the Toroids? and what do I have to do to set them with a D cell (I'll have to look if I even have a D cell)?

Also, there is a bulb out on the Selection Playing read-out. What type of bulbs are they and where would I get one? I'm guessing there not going to be available at Lowes.

Keith,
To set the torrids, merely, take a "flashlight battery" ( the D Cell size), pull the "Tormat (RCA type) plug" from the DCC, ground the + side of the cell on bare metal, and touch the tip of the RCA plug to the back of the cell. Re-install plug and start a scan.
It should now play all selections, one after the other.
Lamps are bi-pin # 19's in the selection now playing section--use caution in the other section, as wrong lamps will destroy the circuit in the DTP-1 !! Available from normal jukebox supply sources, as well as mini lamp sellers.
Ron Rich

Thanks Ron,

Yes, every record was selected except for the five I mentioned.

Keith,
OK--then you have some "marginal" settings in the read out section (or the record rack/TMU is slightly "off")--dirty/ mis-adjusted contact points on the detent switch and/or, the "fingers" that ride under the TMU. Ron Rich

Thanks Ron for pointing me in the right direction. It turned out to be the actuator screw on the left side which needed adjusting.

It always baffles me how such a small adjustment can cause such a fault.

Thanks again for all your help.... You too Mark.

Glad you got it--glad to help--Ron Rich