doodle bug re. hold circuit (resized).JPG
Here is the hold circuit for the D. B. Relay check the contacts ( clean / adjust ) for faults.
The D. B. Rollover activates the pulse relay and releases after it happens ( momentary contact ) and opens the N. C. contacts at the 120 volt D. B. Coil seen here and should go back it's normal state once its pulsed.
1doodle bug coil circuit (resized).JPG
Manual description.Pulse re. (resized).JPG
Trigger circuit for D.B. relay
Activates doodle bg re. (resized).JPG
pulse re. - stop re. (resized).JPG
Stop relay is one that can open the D. B. Hold circuit