Section 8 Pilot’s Operating Handbook
Handling, Servicing and Maintenance EXTRA 500
8.6.b Painted Surfaces
Generally, the painted surfaces can be kept bright by washing
with water and mild soap, followed by a rinse with water and
drying with cloths or a chamois. Harsh or abrasive soaps or
detergents which cause corrosion or scratches should never be
used. Remove stubborn oil and grease with a cloth moistened
with a mild detergent.
To seal any minor surface chips or scratches and protect against
corrosion, the airplane should be waxed regularly with a good
automotive wax applied in accordance with the manufacturer’s
instructions. If the airplane is operated in a seacoast or other salt
water environment, it must be washed and waxed more
frequently to assure adequate protection. A heavier coating of
wax on the leading edges of the wings and tail and on the cowl
nose cap and propeller spinner will help reduce the abrasion
encountered in these areas. Reapplication of wax will generally
be necessary after cleaning with soap solutions or after chemical
de-icing operations.
When the airplane is parked outside in cold climates and it is
necessary to remove ice before flight, care should be taken to
protect the painted surfaces during ice removal with chemical
liquids. Isopropyl alcohol will satisfactorily remove ice
accumulations without damaging the paint. However, keep the
isopropyl alcohol away from the windshield and cabin windows
since it will attack the plastic and may cause it to craze.
8.6.c Propeller Care
Preflight inspection of propeller blades for nicks, and wiping
them occasionally with an oily cloth to clean off grass and bug
stains will assure long blade life. Small nicks on the propeller,
particularly near the tips and on the leading edges, should be
dressed out as soon as possible since these nicks produce stress
concentrations, and if ignored, may result in cracks. Never use
an alkaline cleaner on the blades; remove grease and dirt with a
mild detergent.
A clean propeller blade will assure good performance of the
aircraft.
8-12 26. January 2011
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