-
SECTION 4 CESSNA
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NORMAL PROCEDURES
MODEL
2088
(675
SHP)
.-
PREFLIGHT INSPECTION
(Continued)
,=
WARNING
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IF THE STATIC SOURCE DRAIN VALVES ARE
OPENED, ASSURE BOTH VALVES ARE COMPLETELY
CLOSED BEFORE FLIGHT.
If any water is detected in the fuel system, the inboard fuel tank sump
and external sump quick-drain valves, fuel reservoir quick-drain valve,,
and fuel filter quick-drain valve should all be thoroughly drained
untll
there is no evidence of water or sediment contamination. If the airplane
is parked with one wing low on a sloping ramp (as evidenced by the ball
of the turn and bank indicator displaced from center), draining of the
outboard fuel tank sump quick-drain valves (if installed) is also
recommended.
Prolonged storage of the airplane will result in a water buildup in the
fuel which "leaches out" the fuel additive. An indication of this is when
an excessive amount of water accumulates in the fuel tank sumps.
Refer to Section 8 for fuel additive
servicing.
To orevent loss of fuel in flight, make sure the fuel tank filler caps are
t ghtly sealed after any
fueT system checd or servc~ng. Fuel system
vents should also be inspected for obstructions, ice or water,
especally
after exposure to cold, wet weather.
The
interlor inspection will vary according to the planned fl:ght and the
optional equipment nstalled. Prior to hiqh-altitude
fl~qhts, it is important
to check the' condition and quantity
of oxygen face masks and hose
1
assemblies. The oxygen supply system (if installed) should be
functionally checked to ensure that it is in working order and that an
adequate supply of oxygen is available.
1
4-42 U.S.
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Revision
23
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