Hi all,  After several years of silently enjoying all your postings
I finally have something to contribute.  Timothy L'Amoureux wrote that
the splicing ring in the round leather belt "ticks" as the pump runs.
Grainger ( www.grainger.com ) sells a synthetic (rubber or plastic?)
belting material which is used for heavy-duty applications.  You don't
glue it but heat-weld the ends together.

I worked at a typesetting company (a "few" years ago!) and the endless
drive belt on a phototypesetter broke.  The repair technician cut a
piece of this belting material, ran it around the pulleys and used a
tool with a flat heating element to melt both ends of the belt which he
then slipped off the edge of the splicer and pressed together until the
weld hardened only a few minutes later.

I found that a soldering iron did the same thing: melt the belt ends on
the body of the soldering iron, join them together and hold.  You would
also need to trim the "flash" off, but an X-Acto knife works.

Hope this helps.

Pneumatically yours,
Austin Matlow