Symptom 1:  Record trips, plays again, over and over
 

    The mechanism includes a �Safety Plunger�, to insure that damage to the record or the mechanism does not occur from a warped record. The Safety Plunger is mounted at the rear of the carriage, on the side facing the record magazine. When the record is in the process of being transferred back into the magazine, the Safety Plunger is released to move into the area formerly occupied by the record. A warped record will prevent this from happening, so the clutch cannot shift back into scan, resulting in the record being transferred into play again. Another possibility is a worn on poorly-lubricated clutch shifting lever.  This will repeat until the obstruction is removed or the power is turned off. Years of inattention, no cleaning and no lubrication will result in what lubrication is left turning into a sticky mass which prevents free movement of the Safety Plunger, duplicating the action of a warped record. The solution is to dis-assemble that portion of the mechanism (usually requiring that the magazine be removed to gain access), clean away the �gunk�, lubricate and re-adjust whatever was dis-assembled. The mechanism Operation and Adjustments manual for your jukebox does a very good job of detailing which adjustments affect others, and which adjustments must be correct before making another. Before attempting to clean up your mechanism, get a copy of this manual. It's available from:  Always Jukin'Victory Glass, or Stamann Musicboxen for those in Europe.  Before cleaning the mechanism, remove the motor, trip solenoid, cartridge, trip switch, and memory unit. Use a water-based degreaser followed by plenty of fresh water, and make sure it dries completely before doing anything else.

 
A few words of advice:  DO NOT  use 3-in-1 household oil to lubricate the mechanism, since it contains paraffin which will turn into a solid mass over time.  Use 3-in-1 light machine oil instead, which does not contain paraffin.  Also, the lubrication chart in your mechanism manual says to use Lubriplate.  Instead, use Lubrex (calcium Stearate grease), made by GC/Waldon Electronics.  To find a local source for Lubrex, go to the GC website
 
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