Cessna Skyhawk 172N Pilot Operating Handbook page 53

CESSNA
SECTION 4
MODEL 172N
NORMAL PROCEDURES
2. Seats, Belts, Shoulder Harnesses -- ADJUST and LOCK.
3. Fuel Selector Valve -- BOTH.
4. A vionics Power Switch, Autopilot (if installed), Electrical Equip ­
ment -- OFF.
CAUTION
The avionics power switch must be OFF during engine
start to prevent possible damage to avionics.
5. Brakes -- TEST and SET.
6. Circuit Breakers -- CHECK IN.
STARTING ENGINE
1.
Mixture -- RICH.
2. Carburetor Heat -- COLD.
3. Master Switch -- ON.
4. Prime -- AS REQUIRED (2 to 6 strokes; none if engine is warm).
5. Throttle -- OPEN 1/8 INCH.
6. Propeller Area CLEAR.
7. Ignition Switch -- START (release when engine starts).
8. Oil Pressure -- CHECK.
9. Flashing Beacon and Navigation Lights -- ON as required.
10. Avionics Power Switch -- ON.
U.
Radios -- ON.
BEFORE TAKEOFF
1.
Parking Brake -- SET.
2. Cabin Doors and Window(s) CLOSED and LOCKED.
3. Flight Controls -- FREE and CORRECT.
4. Flight Instruments -- SET.
5. Fuel Selector Valve -- BOTH.
6. Mixture -- RICH (below 3000 feet).
7. Elevator Trim and Rudder Trim (if installed) -- TAKEOFF.
8. Throttle -- 1700 RPM.
a. Magnetos CHECK (RPM drop should not exceed 125 RPM on
either magneto or 50 RPM differential between magnetos).
b. Carburetor Heat -- CHECK (for RPM drop).
c. Engine Instruments and Ammeter -- CHECK.
d. Suction Gage -- CHECK.
e. Throttle -- 1000 RPM or LESS.
1 July 1979
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