CLEANING EXTERIOR SURFACES
Wash airplane with mild soap and water. Harsh, abrasive or alkaline soaps or detergents used on painted or
plastic surfaces could make scratches or cause corrosion. Cover areas where cleaning solution could cause
damage. Wash airplane as follows:
l. Flush loose dirt away with water.
2. Apply cleaning solution with a rag, sponge or soft bristle brush.
3. Remove oil and grease with cloth dampened with naphtha.
4. Where exhaust stains exist, allow solution to remain on the surface longer. Use cleaning compound on
stainless steel exhaust shield.
5. Use automotive wax to preserve painted surfaces. Use soft cleaning cloths or chamois to prevent
scratches when cleaning or polishing. A heavier coating of wax on leading surfaces will reduce
abrasion problems in these areas.
WINDSHIELD AND WINDOWS
—CAUTION—
Do not use plastic cleaners on glass windshields.
—CAUTION—
Do not use gasoline, alcohol, benzene, carbon tetrachloride,
thinner, or window cleaning sprays.
—CAUTION—
Do not use any abrasive materials, strong acids or bases,
methanol, or MEK when cleaning airplane.
—CAUTION—
Do not rub harshly on airplane as this can damage the finish.
l. Remove dirt, mud, etc., from surface with clean water.
2. Wash with mild soap and water, or a 50/50 solution of isopropanol and water. Use a soft cloth or
sponge in a straight rubbing motion.
3. Rinse thoroughly and dry.
—CAUTION—
Do not apply wax to glass windshields with surface coatings for
anti-ice protection.
4. After cleaning, polish plastic surfaces (side windows only) by applying a thin coat of hard polishing
wax. Rub lightly with a soft cloth. Use a circular rubbing motion.
5. Remove severe scratches or mars in plastic with jeweler’s rouge to rub out scratch. Smooth both sides
and apply wax.
20 - 23 - 00
Page - 20 - 09
Reissued: August 1, 1986
1E12
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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