Hi, looking for advice on the proper lubricant to free up a fussy coin mechanism and sticky selector buttons. Also what type of cleaning products are recommeneded for all the various parts? Thanks.

Hi, 448 was working and playing records with good audio. Went to play a tune and after selection played a minute or so, the audio crackled and faded away to no sound and, I caught a hint of electronic malfunction scent. Now all I get is a popping sound I guess every second and a half to two senonds ...