Pilot Operation Procedures Prelight Fuel System Check - Cessna Hawk XP R172K Pilot Operating Handbook

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PILOT OPERATING PROCEDURES-PREFLIGHT FUEL SYSTEM CHECK
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Fuel sampling: Fuel strainer, wing tank and reservoir quick drains.
1. Place a suitable container under the fuel strainer drain outlet prior to operating the
strainer drain control for at least 4 seconds. Check strainer drain closed.
2. Inspect the fluid drained from the fuel strainer and each wing tank. quick drain for
evidence offuel contamination in the form of water, rust, sludge, ice or any other
substance not compatible with fuel. Also check for proper fuel grade before the
first flight of each day and after each refueling. If any contamination is detected,
comply with 4 below.
3. Repeat Steps 1 and 2 on each wing tank. quick drain.
4. If the airplane has been exposed to rain, sleet or snow, or if the wing fuel tanks or
fuel strainer drains produce water, the fuel reservoiris) must be checked for the
presence of water by operating the fuel reservoir quick drains. The airplane fuel
system must be purged to the extent necessary to insure that there is no water, ice
or other fuel contamination.
NOTE 1: The fuel reservoir(s) are located under the fuselage between the firewall and
forward door post on all airplane models. Consult the pilots Operating Handbook or
Owners Manual in order to determine if one or two reservoir( s) are installed.
NOTE 2: A check for the presence of water using the fuel reservoir quick drains prior to
the first flight of each day is considered good operating practice.
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