Before Starting Engine; Starting Engine; Before Takeoff - Cessna Hawk XP R172K Pilot Operating Handbook

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(1) Main Wheel Tire -- CHECK for proper inflation.
(2) Before first flight of the day and after each refueling, use
sampler cup and drain small quantity of fuel from fuel tank sump
quick-drain valve to check for water, sediment and proper fuel
grade.
(3) Fuel Quantity -- CHECK VISUALLY for desired level.
(4) Fuel Filler Cap -- SECURE.
(]) LEFT WING Leading Edge
(1) Pitot Tube Cover -- REMOVE and check opening for stoppage.
(2) Fuel Tank Vent Opening -- CHECK for stoppage.
(3) Stall Warning Opening -- CHECK for stoppage. To check the
system, place a clean handkerchief over the vent opening and apply
suction; a sound from the warning horn will confirm system opera-
tion.
(4) Wing Tie-Down -- .QISCONNECT.
C!';SSNA
MODEL R172K
SECTION 4
NORMAL PROCEDURES
CESSNA
MODEL R172K
SECTION 4
NORMAL PROCm>UJU}S
(7) Cowl Flap -- OPEN (move lever inboard out of locking hole to
reposition).
(8) Circuit Breakers -- CHECK IN.
STARTING ENGINE
(1) Mixture -- RICH.
(2) Propeller -- HIGH RPM.
(3) Throttle - - CLOSED.
(4) Master Switch -- ON.
(5) Auxiliary Fuel Pump Switch -- HIGH.
(6) Throttle -- ADVANCE to obtain 8-10 GPH fuel flow then return
to CLOSED position.
(7) Auxiliary Fuel Pump Switch -- OFF.
(8) Propeller Area -- CLEAR.
(9) Ignition Switch -- START (release to BOTH when engine
starts).
NOTE
The engine should start in two to three revolutions. If it
does not continue running, start again at step (3) above.
If the" engine does not start, leave the auxiliary fuel
pump switch off, set the mixture to idle cut-off, open the
throttle, and crank until the engine fires (or for approxi-
mately 15 seconds). If still unsuccessful, start again
using the normal starting procedure after allowing the
starter motor to cool.
(10) Throttle -- 800 to 1000 RPM.
(11) Oil Pressure -- CHECK.
BEFORE TAKEOFF
(1) Parking Brake -- SET.
(2) Cabin Doors -- CLOSED and LOCKED.
(3) Flight Controls -- FREE and CORRECT.
(4) Flight Instruments -- SET.
(5) Fuel Selector Valve -- BOTH.
(6) Elevator and Rudder Trim -- SET.
(7) Throttle -- 1800 RPM.
a. Magnetos -- CHECK (RPM drop should not exceed 150 RPM
on either magneto or 50 RPM differential between magnetos).
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(3) Landing Lights -- CHECK for condition and cleanliness.
(4) Nose Wheel Strut and Tire -- CHECK for proper inflation.
(5) Nose Tie-Down -- DISCONNECT.
(6) Engine Oil Level -- CHECK. Do not operate with less than six
quarts. Fill to eight quarts for extended flight. .
(7) Before first flight of the day and after each refuelmg, p~ll out
strainer drain knob for about four seconds to clear fuel stramer of
possible water and sediment. Check strainer drain closed. If water
is observed, the fuel system may contain additional water, and
further draining of the system at the strainer, fuel tank sumps,
reservoir drain valve and fuel selector drain plug will be necessary.
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LEFT WING
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®
LEFT WING Trailing Edge
(1) Aileron -- CHECK for freedom of movement and security.
BEFORE STARTING ENGINE
(1) Preflight Inspection -- COMPLETE.
(2) Seats, Belts, Shoulder Harnesses -- ADJUST and LOCK.
(3) Fuel Shutoff Valve -- ON (push full in).
(4) Fuel Selector Valve -- BOTH.
(5) Radios, Autopilot (if installed), Electrical Equipment -- OFF.
(6) Brakes -- TEST and SET.
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