October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Throttle Positioner Servo Diaphragm
- Connect tachometer to engine. Bring engine to normal operating temperature. Stop engine. Detach 3-way solenoid-to-servo diaphragm vacuum hose from servo diaphragm.
- Connect intake manifold vacuum hose or hand operated vacuum pump, directly to servo diaphragm. Start engine, run at 2000 RPM, then release throttle. The engine speed should be within 1000-1200 RPM.