Archer II & III Components - Flight School
Transcript of Archer II & III Components - Flight School
Archer II & III Components
Lycoming O-360-A4M Engine
© 2015 Coast Flight Training. All Rights Reserved.
Piper Archers -Carbureted-4 Cylinders -Horizontally Opposed -Naturally Aspirated
Cylinder
Rubber baffles to redirect airflow for cooling Fins for air
cooling
Magnetos
© 2015 Coast Flight Training. All Rights Reserved.
• 2 Magnetos attached to engine in left and right positions
• Engine driven, provide power to spark plugs
Ignition leads to spark plugs
Spark plugs
© 2015 Coast Flight Training. All Rights Reserved.
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
Vacuum Pump
© 2015 Coast Flight Training. All Rights Reserved.
Provides suction to vacuum powered instruments • Attitude Indicator• Directional Gyro
Suction gauge (Normal Range 4.8-5.2)
Auxiliary Vacuum Pump
© 2015 Coast Flight Training. All Rights Reserved.
• 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
Starter
© 2015 Coast Flight Training. All Rights Reserved.
• Located just behind the prop spinneron the 5 o’clock position in both models
• Turns propeller spinner when starting
Starter Gear
Alternator
© 2015 Coast Flight Training. All Rights Reserved.
• 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
Alternator Belt
Engine Driven Fuel Pump
© 2015 Coast Flight Training. All Rights Reserved.
• Located on back side of Engine • Pressurizes fuel system to keep a
steady flow of fuel to the engine
Electric Fuel Pump
© 2015 Coast Flight Training. All Rights Reserved.
• 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
Fuel Strainer
© 2015 Coast Flight Training. All Rights Reserved.
• Also known as the Gascolator, is the lowest point in the fuel system
• Filters sediments and debris within the fuel system• Fuel is sumped at every preflight to check for contamination
Carburetor
© 2015 Coast Flight Training. All Rights Reserved.
• Float Type Carburetorlocated underneath engine block
• Mixes Air/Fuel before entering engine for combustion
• If needed, hot air can enter from an exhaust shroud utilizing the carb heat lever to prevent or remove any icing build up
Fuel Lines
Air Source
Air Induction
© 2015 Coast Flight Training. All Rights Reserved.
Archer II Intake
Archer III Intake
Air entering the engine is routed through an intake that goes to an air filter prior to entering the carburetor
Cabin Heat
© 2015 Coast Flight Training. All Rights Reserved.
• Lower inlet on front left side of cowling • When turned on, air enters the inlet and is routed into
an exhaust shroud for heating prior to entering cabin
Exhaust Shroud
Alternator Cooling Air Inlet
© 2015 Coast Flight Training. All Rights Reserved.
• Equipped on Archer III’s• Upper inlet on front left portion of lower cowling Archer III’s• Routes air into the back of the alternator for cooling
Air Duct
Pitot-Static Mast
© 2015 Coast Flight Training. All Rights Reserved.
• Provides both ram air and static air inputs for the pitot static instruments
• Front air port provides ram air for airspeed indicator aka pitot tube
• Lower and rear ports provides static air for the static instruments
Ram Air
Static
Static
Static Source on empennage
© 2015 Coast Flight Training. All Rights Reserved.
• This static source only supplies static pressure to the autopilot system on board if equipped
Stall Warning
© 2015 Coast Flight Training. All Rights Reserved.
• Small tab on leading edge of left wing
• Provides warning to the pilots of an impending stall
Ground Power Inputs
© 2015 Coast Flight Training. All Rights Reserved.
Archer II 12 Volt Input
Archer III 24 Volt Input
Refer to Pilots Operating Handbook for Instructions
Fresh Air Inlets
© 2015 Coast Flight Training. All Rights Reserved.
• Brings fresh air from outside into cabin
COMM Antennas
© 2015 Coast Flight Training. All Rights Reserved.
COMM 1
If there is no COMM 2 antenna on top of the aircraft, it will be underneath
GPS Antenna
Transponder Antennas
© 2016 Coast Flight Training. All Rights Reserved.
Type of antenna varies between aircraft regardless if it is Archer II or III
VOR Antenna
© 2016 Coast Flight Training. All Rights Reserved.
• V Shaped antenna on top of vertical stabilizer• Used for VOR navigation
Garmin GPS Antenna
© 2016 Coast Flight Training. All Rights Reserved.
• Flat round shaped antennas located on top of the fuselage• Receive GPS satellite signals for GPS navigation
Marker Beacons Antenna
© 2016 Coast Flight Training. All Rights Reserved.
• Located underneath the empennage of both Archer II’s & III’s• Used during IFR approaches to let pilots know the location
of marker beacons to determine their location on an approach
ELT
© 2016 Coast Flight Training. All Rights Reserved.
ELT Panel
Antenna
• Emergency Locator Transmitter• Located on right side of empennage • In the event of a forced landing, it will
transmit an emergency signal on 121.5 to aid search and rescue efforts
Temperature Probes
© 2015 Coast Flight Training. All Rights Reserved.
• Provides Outside Air Temperature (OAT) indicated on a Temp. Gauge