Aero Safe Corporation
Guardian I

Standby Vacuum/Pressure Systems

PRE-FLIGHT CHECK LIST

The Guardian I Standby Vacuum/Pressure System 
is designed to provide you with the most reliable
"Standby source of Instrument Air" available today.


:EASY TO PREFLIGHT:
	
:BEFORE EACH FLIGHT CHECK THE SYSTEM
 PRIOR TO STARTING THE ENGINE:
		       1. MASTER SWITCH "ON"
		       2. LOOK AT YOUR VACUUM/PRESSUR GAUGE
          		       3. TURN THE GUARDIAN I "ON"

 THE VACUUM/PRESSURE GAUGE WILL START TO COME UP
        INTO THE GREEN, INDICATING THAT THE ENGINE DRIVEN
 PUMP CHECK VALVE IS WORKING PROPERLY.

               :AFTER STARTING THE ENGINE:
                               1. LOOK AT YOUR VACUUM/PRESSURE GAUGE
               	          2. TURN THE GUARDIAN "I" ON.


THE VACUUM/PRESSURE GAUGE WILL INCREASE
 (USUALLY THE WIDTH OF THE NEEDLE OR SO)
 INDICATING THAT THE GUARDIAN I CHECK VALVE
 IS WORKING PROPERLY. 
	

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