Valve Operation

1. Disconnect vacuum hose between shutter solenoid valve and vacuum pipe at vacuum pipe, and disconnect other shutter solenoid valve vacuum hose at valve.
2. Blow air into vacuum hose still attached to shutter solenoid valve and ensure air flows from open port of valve.
3. Disconnect electrical connector of shutter solenoid valve and apply battery voltage to terminals of valve.
4. Blow air into vacuum hose still attached to shutter solenoid valve and ensure air flows from air filter of valve.