Fuel Capacity; Fuel Add Itives - Cessna 172SPHUSR05 Pilot Operating Handbook

S ECTI ON 8
HAN D L I N G , S E RV I C E
F U E L
APPROVED F U E l G RA D ES (AN D COlOR�
1 DOLL G rade Aviation Fuel (Blue) .
1 00 G rade Avi ation Fuel (Green) .
Isopropyl alcohol or d iethylene glycol mono methyl ether
( D i E G M E) m ay be added to the fuel s upply in q uantities not
to exceed 1 % (alcohol) or 0 . 1 50/ 0 ( D i E G M E) of total vol u me .
Refer t o F u e l Additives i n later paragraphs for additional
i nformatio n .
F U E L CAPACITY
I
56 . 0 U . S . Gallons Total :
To ensure maxi m u m fuel capacity when refueling and
m i n i m ize cross feeding, the fuel selector valve should be
placed in either the LEFT or RIG HT position and the
ai rplane parked i n a wings level, normal gro u nd attitude.
Refer to Fig u re 1 - 1 for a defi n ition of normal gro u nd attitude.
Service the fuel system after each flight, and keep fuel tanks
fu ll to m i n i mize condensation i n the tanks.
F U E L AD D ITIVES
Strict ad herence to recommended prefl ight draining i nstructions
as called for
accumulations from the tank su mps. While small amou nts of water
may still remain in sol ution in the gasoline, it will normally be
consu med and go u nnoticed in the operation of the engine.
8-1 6
&
MAINTENANCE
NOTE
28.0 U .S. G allons per tank.
NOTE
i n Section 4 wil l
MOD E L 1 72S
eliminate any free
C ESSNA
water
May 30/00