NOTE
Do not use gasoline, alcohol, benzene, carbon tetrachloride, thinner,
acetone or window cleaning sprays.
d. After cleaning plastic surfaces, apply a thin coat of hard polishing wax. Rub lightly with a soft cloth.
Do not use a circular motion.
e. A servere scratch or mar in plastic can be removed by using jeweler’s rouge to rub out the scratch.
Smooth both sides and apply wax.
f. To improve visibility through windshield and windows during flight through rain, a rain repellent such
as REPCON should be applied to the windshield and windows. The surfaces of the windshield and
windows treated becomes so smooth that water beads up and readily flows off the surface. Apply this
product in accordance with the manufacturer’s instructions. REPCON is manufactured by Unelko
Corp., 727 E. 110 Street, Chicago, Illinois 60628.
2-27. CLEANING HEADLINER, SIDE PANELS AND SEATS.
a. Clean headliner, side panels and seats with a stiff bristle brush and vacuum where necessary.
b. Soiled upholstery, except leather, may be cleaned by using an approved air type cleaner or foam
upholstery cleaner. Carefully follow the manufacturer’s instructions. Avoid soaking or harsh rubbing.
CAUTION
Solvent cleaners required adequate ventilation.
c. Leather material should be cleaned with saddle soap or mild soap and water.
2-28. CLEANING CARPETS. Use a small whisk broom or vacuum to remove dirt. For soiled spots, use non-
inflammable dry-cleaning fluid.
2-29. SERVICING.
2-30. INTRODUCTION OF SERVICING. Servicing the airplane includes the replenishment of fuel, oil,
hydraulic fluid, tire pressures, lubrication requirements and other required items.
2-31 . HYDRAULIC SYSTEM
2-32. SERVICING HYDRAULIC SYSTEM. The general condition of the hydraulic pump and landing gear
actuating cylinders should be checked. Ensure that there are no leaks and that the line fittings are tight. The
cylinder rods are to be free of all dirt and grit. To clean the rods use an oil soaked rag and carefully wipe them.
All the hydraulic lines should also be checked for leaks, kinks, and corrosion. Check the tightness of the
attachment fittings.
The gear back up extender actuator assembly is located beneath the rear seat and should be checked
determine that it is operating properly. The diaphragm shaft may be operated by hand to make sure that is free
to fluctuate and that the actuating arm and its components are operating freely. Check the pressure housing
assembly for cracks, breaks, or fatique. Check to ensure that the hydraulic valve and fittings a free of leaks.
Repair and check procedures for the hydraulic pump, cylinders and various components may be found in
Section VI of this manual.
Revised: 5/1/80
1B13
*CHEROKEE ARROW III SERVICE MANUAL
HANDLING AND SERVICING
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