Archer II & III Components PDF
Preview Archer II & III Components
Archer II & III Components Lycoming O-360-A4M Engine Piper Archers -Carbureted -4 Cylinders -Horizontally Opposed -Naturally Aspirated Cylinder Rubber baffles to redirect airflow for cooling Fins for air cooling © 2015 Coast Flight Training. All Rights Reserved. Magnetos • 2 Magnetos attached to engine in left and right positions • Engine driven, provide power to spark plugs Ignition leads to spark plugs © 2015 Coast Flight Training. All Rights Reserved. Spark plugs There are 8 spark Plugs • Provides spark to the cylinders for combustion • 2 per cylinder • Each spark plug is powered by a different magneto for redundancy © 2015 Coast Flight Training. All Rights Reserved. Vacuum Pump Provides suction to vacuum powered instruments • Attitude Indicator • Directional Gyro Suction gauge (Normal Range 4.8-5.2) © 2015 Coast Flight Training. All Rights Reserved. Auxiliary Vacuum Pump • Equipped on Archer III’s • Located on right upper side of firewall behind engine • Electrically driven backup vacuum source in the event of engine driven vacuum pump failure • Activated by an “Aux Vac” Button on left hand side of panel next to vacuum gauge © 2015 Coast Flight Training. All Rights Reserved. Starter • Located just behind the prop spinner on the 5 o’clock position in both models • Turns propeller spinner when starting Starter Gear © 2015 Coast Flight Training. All Rights Reserved. Alternator Alternator Belt • Provides electrical power to the aircraft • Recharges battery • Belt driven • Archer II - 14Vt 60 Amp Alternator • Archer III - 28Vt 70 Amp Alternator • Archer II – Located on 7 O’clock position behind prop • Archer III – Located on 5 O’clock position © 2015 Coast Flight Training. All Rights Reserved. Engine Driven Fuel Pump • Located on back side of Engine • Pressurizes fuel system to keep a steady flow of fuel to the engine © 2015 Coast Flight Training. All Rights Reserved. Electric Fuel Pump • Auxiliary source of fuel pressure for added redundancy so that fuel flow continues in the event of engine driven fuel pump failure • Used during takeoff & landing © 2015 Coast Flight Training. All Rights Reserved.
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