Altitude Compensator: Testing and Inspection

Fig. 8 Solenoid valve check:

1. Disconnect the three rubber hoses from carburetor.
2. Blow air into inlet pipe A, Fig. 8.
3. Apply voltage to valve. Ensure valve opens and air blows through the three hoses. Switch off voltage to valve, and ensure valve is closed. If valve does not operate as specified, replace valve.