Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Testing Notes

Diagnostic and troubleshooting procedures consist of a series of pinpoint tests designed to locate faults to be serviced in the speed control system. The system can be diagnosed using the Rotunda Speed Control Tester 007-00013 or equivalent.
Refer to Diagrams/Electrical/Wiring Schematic and Component Testing when performing diagnostic procedures.