DR-29B Solenoid Kicker Operation With A/C on

This test must be performed with engine at normal operating temperature.
1. Run the engine at idle over five minutes, then turn on the A/C unit.
2. With the A/C clutch engaged, the vacuum diaphragm plunger should move out and hold the throttle open. If plunger movement is satisfactory, proceed to Test 30.
3. If plunger movement is unsatisfactory, proceed to Step C.