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Figure 3: Fire extinguisher pressure chart
Airman Knowledge Testing Supplement for Aviation Maintenance Technician – General, Airframe, and Powerplant; and Parachute RiggerOfficial PDF AMP
Practice
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900 800 700 600 500 400 300 200 100 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Maximum Gauge Reading Minimum Gauge Reading Temperature (°F) Pressure (PSIG)