PIK-20 E Service manual
4. CARE AND MAINTENANCE
4.1 General care
The outside of the sailplane can be kept bright and smooth simply by
washing with water and mild soap. Avoid abrasive or harsh detergents.
Rinse with clean water and dry with terry-cloth towels or a chamois.
It is always best to keep a good wax layer on the paint to protect the
surface from humidity and dirt and also to minimize the "bug" building
on the leading edges during flight. A whole plane polish once a year is
recommended with car polishing agent or solid polishing wax for acrylic
or plastic with polishing machine (be careful of overheating the
surface).
When gliding in rain the performance of the sailplane is better if wax
is removed. The wax can be removed with waxremover (car motor de
tergent) or by sanding paper number 600, until the glossy finish of the
wings is removed.
Surface tension lowering agents as dish washing detergent can be
used on the wing surfaces. Use thin layer and polish it with dry cloth.
The canopy surface may be cleaned according to the following inst
ructions:
1. Use plenty of water to rinse the canopy surface.
2. Wash the acrylic sheet with dish washing detergent or mild soap wa
ter. Use a sponge in spreading the soapwater. Do not rub because
dirt scratches the acrylic sheet.
3. Grease and oil spots can be removed with kerosene and a soft cloth.
4. Never clean with a dry cloth.
Note: Never use gasoline, benzine, alcohol, acetone, carbon tetrachlori
de, lacquer thinner of glass cleaner to clean the plexiglass.
EIRI
ky
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Kisällinkatu 8
SF-15170 Lahti 17
page 11-12
