If you can hear the clack from the solenoid (as opposed to the much softer
click from the relay), then it pretty much can't be an
electrical problem. A tiny chance it might be solenoid adjustment, but IMO a
sticking clutch is much more likely. (Usually when
the solenoid adjustment is right on the edge, it won't engage reliably but
still disengages.)
Another possibility is a partially plugged relief port in the valve stem (red
arrow in this photo
http://s258.photobucket.com/user/TR3driver/media/A-type%20OD/A-TYPEODOPERATINGVALVEANDDRAINHOLE.jpg.html
But I'd suggest you call John and ask him about it before doing anything to the
unit (including readjusting the solenoid).
PS, I believe thumping the brake ring (the black ring visible between the main
OD housing and the tail housing) with a hide hammer
is the recommended cure for a stuck clutch. It should stop sticking after a
few cycles.
-- Randall
** triumphs@autox.team.net **
Archive: http://www.team.net/archive
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