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I'm going to replace the drive washer and am wondering about the repair procedure.  Seems like you remove the screw that retains the pendulum and remove the pendulum.  I'm thinking at that point the rotating cup slides off exposing the drive washer which is glued to the coil.  Remove the old drive washer and old adhesive.  Attached the new drive washer with contact cement, clean cup surfaces and reassemble.   Maybe graphic or talc inside the cup ?  Sound right ?

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According to the Lionel service manual your disassembly process is correct.   There is an adhesive washer,  p/n 140-37 used to attach the driving washer p/n 140-42. (not sure if the replacement driving washer is self adhesive)  It also says to make sure the inside of the cup is clean and dry.  They suggest using talcum powder as a lubricant inside the cup and on the washer. 

Last edited by CSXJOE

Interesting thread. There is one thing that I’m not quite clear on; is the drive washer (the washer with the three little “teeth”) glued to the brass washer that is in front of the coil or is the brass washer glued to the front of the coil? In other words, are the drive and “brass” washer glued together so they spin freely in front of the coil? Thank you in advance for your response(s).

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