Starting Engine (With Battery) - Cessna SkyHawk SP 172S Operating Handbook

SECTION 4 CESSNA
MODEL 172S NAV Ill
GFC 700AFCS
NORMAL PROCEDURES
STARTING ENGINE (With Battery)
1. Throttle Control - OPEN 1/4 INCH
2. Mixture Control- IDLE CUTOFF (pull full out)
3. STBY BATT Switch:
a. TEST - (hold for 20 seconds, verify that green TEST lamp
does not go off)
b. ARM -(verify that PFD comes on)
4. Engine Indicating System - CHECK PARAMETERS (verify no
red X's through ENGINE page indicators)
5. BUS E Volts- CHECK (verify 24 VOLTS minimum shown)
6. M BUS Volts- CHECK (verify 1.5 VOLTS or less shown)
7. BATTS Amps- CHECK (verify discharge shown (negative))
8. STBY BATT Annunciator- CHECK (verify annunciator is shown)
9. Propeller Area - CLEAR (verify that all people and equipment
are at a safe distance from the propeller)
10. MASTER Switch (ALT and BAT)- ON
11. BEACON Light Switch - ON
NOTE
If engine is warm, omit priming procedure steps 12 thru 14
below.
12. FUEL PUMP Switch- ON
13. Mixture Control - SET to FULL RICH (full forward) until stable
fuel flow is indicated (approximately 3 to 5 seconds), then set to
IDLE CUTOFF (full aft) position.
14. FUEL PUMP Switch- OFF
15. MAGNETOS Switch- START (release when engine starts)
16. Mixture Control ADVANCE SMOOTHLY TO RICH (when
4-12
engine starts)
NOTE
If the engine is primed too much (flooded), place the
mixture control in the IDLE CUTOFF position, open the
throttle control 1/2 to full, and engage the starter motor
(START). When the engine starts, advance the mixture
control to the FULL RICH position and retard the throttle
control promptly.
(Continued Next Page)
u.s.
172SPHBUS-OO