I have in my collection of manuals a bunch of Rider schematics I photocopied from a library back in the 90s and noticed I was missing a couple of pages so started looking to see if I could complete my collection. I did find them ALL on archive.org in Vol. 13 of the archived John F. Rider collection - and here is the link to the starting page of that Wurlitzer section:
archive.org
Rider's Perpetual Troubleshooter's Manual, Vol 1-23 with Index : John Rider : Free Download, Borrow, and Streaming : Internet Archive <#>
Rider's schematics and servicing data for most tube radios.
🔗 https://archive.org/details/riders_202008/Vol%2013/page/n1577/mode/2up https://archive.org/details/riders_202008/Vol%2013/page/n1577/mode/2up
at 30GB I'm unlikely to download the entire Rider library just yet, but if other folks want to rummage through the collection and see if Seeburg, AMI (Automatic Music Industry), Rockola, etc, and more Wurlitzer are present I won't stop them - so long as they post the links here. Note the Indexes are on the upper left of the list of volumes. Wurlitzer appears in Vol 4, 5, W6, W7, 8, and 13 according to the first index.
I hope I've helped a few folk with this post today...
John :-#)#