SECTION 7
AIRPLANE & SYSTEMS DESCRIPTIONS
ALTEANATOA
CONTAOL UNIT
LOW-VOLTAGE
WAANING LIGHT
LO VOLT OUT
►
---«
TO INST
CIACUIT BREAKER
POWER IN
ALTERNATOR
SfNSf
1·1
►---------..... --.....
r1
ll))t----
FIEL0 ....
--------1.•
GROUND
I•
TO ALT flELD
MA•S-T-ER--------► CIRCUIT BREAKER
SWITCH
STARTER
CONTACTOR
STAATER
TO
INST
CIRCUIT
BREAKER
•I
IGNITION
SWITCH
MAGNETOS
CODI
0) CIRCUIT BREAKER (PUSH TO RESET!
• FUSE
*
OIOOE "I'/', RESISTOR
·H· CAPACITOR INOISHILTERI
Q}
f���triF8t
��!�o-RESET)
AMMETER
REVERSE
POLAAITY
CONTACTOR
BATTERY
•
GROUND
SERVICE PLUG
RECEPTACLE
FLIGHT HOUR
RECORDER
Figure 7-7. Electrical System
CESSNA
MODEL 172N
TO PITOT HEAT SYSTEM
TO DIGITAL CLOCK
TO IGNITION SWITCH
TO OIL TEMPERATURE GAGE AND
CYLINDER HEAD TEMPEAATURE GAGE
TO LOW·VOL TAGE WARNING LIGHT
TO FUEL QUANTITY INDICATOAS
ANO CAA8URETOR AIR TEMPERATURE
GAGE
TO DOOR POST MAP LIGHT
TO DOME AND COURTESY LIGHTS
TO INSTRUMENT, RADIO, MAGNETIC
COMPASS AND POST LIGHTING
TO AUDIO MUTING RELAY
TO NAVIGATION LIGHTS ANO
CONTROL WHEEL MAP LIGHT
TO FLASHING BEACON
TO CIGAR LIGHTER
(WITH CIRCUIT BREAKER AND FUSEI
TO TAXI AND LANDING LIGHTS
TO TURN COORDINATOR
TO A UT OMA TIC Pl LOT
7-24
1 July 1979