2. analog
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Can any Oracle experts help me?

Hey there,

I picked up a used Delphi Mark V a few weeks ago and man is the set-up getting to me! I finally managed to properly calibrate the suspension as per instructions and everything seems level and balanced - but I can't seem to get the belt to rest in the middle of the motor pulley. No matter what I do it seems to "want" to move to the bottom of the pulley. I hear some pitch instability - most obvious on piano recordings of course. The manual lists "belt not riding in center of pulley" as a potential reason for pitch instability but does NOT explain what to do about this or how to fix it!

Any insights out there?

Thanks for your help!
hfisher3380

Showing 3 responses by hfisher3380

hfisher3380 OP
167 posts
 
I'm located in Toronto.

I'll probably just call Riendeau at Oracle - send an email but haven't heard back - have read that they can be slow responding to emails but can be very helpful over the phone...
hfisher3380 OP
167 posts
 
Belt is brand new - bought a maintenance kit. Bearing properly oiled, new springs etc...
hfisher3380 OP
167 posts
 
I do have the manual and have followed the instructions to a "t". I've tried numerous times to seat the platter and belt but no matter why I do it seem to "want" to ride the bottom of the pulley. I've tried teasing it up with fingers and/or clean chop sticks but it eventually gravitates back to the bottom of the pulley. The top of the pulley is 71mm from the plinth as per instructions. The suspension and levelling seem perfect. Needless to say I'm getting a bit frustrated!

Thanks for all of your suggestions. I do think a phone call to oracle may be in order here...
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