SECTION
7
CESSNA
AIRPLANE AND SYSTEMS DESCRIPTION MODEL
2088
(675 SHP)
FUEL
SYSTEM
(Continued)
Fuel system venting is essential to system operation. Complete
blockage of the vent system will result in decreased fuel flow and
eventual engine
stopage. Venting is accomplished by check valve
equipped vent lines, one from each fuel tank, which protrude from the
trailing edge of the wing at the wing tips. also the fuel reservoir is
vented to both wing tanks.
FIREWALL FUEL SHUTOFF VALVE
A manual firewall fuel shutoff valve, located on the aft side of the
firewall, enables the pilot to shut off all fuel flow from the fuel reservoir
to the engine. The shutoff valve is controlled by a red push-pull knob
labeled FUEL SHUTOFF-PULL OFF and located on the right side of
the pedestal. The push-pull knob has a press-to-release button in the
center which locks the knob in position when the button is released.
FUEL TANK SELECTORS
Two fuel tank selectors, on for each tank, are located on the overhead
console. The selectors, labeled LEFT, ON and OFF and RIGHT, ON
and OFF, mechanically control the position of the two fuel tank shutoff
valves at each wing tank. When a fuel tank selector is in the OFF
position, the shutoff valves in the tank are closed. When in the ON
position, both shutoff valves in the tank are open, allowing fuel from that
tank to flow to the reservoir. Normal fuel management is with both fuel
tank selectors in the ON position.
before refuel
ng, or wnen the airplane 1s parked on a slope, turn off one
of the fuel tank selectors
(if oarked on a slo~e. turn h:an wina tank off).
This action prevents crossfeeding from the fuller orWhighertank and
reduces any fuel seepage tendency from the wing tank vents.
(Continued Next Page)
1
7-74
U.S.
Revision
23
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