EV-97 Eurostar SL Microlight Maintenance Manual GEN/EUR/04 Issue 4 38
14. Care and Cleaning Recommendations
14.1 External Paint
The external surfaces of the aircraft should be kept clean by regular washing with warm water
and a mild detergent such as washing up liquid. Rinse off all cleaning solution and dry off with
an absorbent cloth or chamois leather.
When washing the aircraft, avoid the use of a pressurised hose pipe as water can be forced into
the engine compartment.
Locally soiled or oily surfaces may be cleaned with a solution of washing powder in warm water.
If you must use abrasive polishes, such as T-Cut or other cream cleaners, then only use them
very occasionally, very lightly and when absolutely necessary. Such polishes reduce protection
by thinning the paint layer.
14.2 Canopy
Never clean the canopy when dry. Use copious quantities of warm soapy water and dry with a
soft cotton cloth or chamois leather - never use paper towels. Take care never to expose the
canopy to petrol or other hydrocarbons, or their vapours.
14.3 Upholstery
Use domestic upholstery cleaning agents for removal of dirt on the internal upholstery.
15. Levelling
Levelling is required to check the airframe alignment compared with values recorded for the new
aircraft. The aircraft must be on a flat level floor. First set the aircraft in a horizontal position.
The levelling points are the rivets on the aircraft which are marked with red paint. The locations
of the points are shown in the Levelling Record. Use the levelling points 1(3) and 2(4) to set the
aircraft in a horizontal position in the longitudinal direction, and levelling points 5 and 7 in lateral
direction. Boards, under the main or nose wheel, may be used to level the aircraft.
Alternatively the aircraft can be levelled by varying the tyre pressures.
Measured values should be compared with those in the Levelling Record (see Appendices).
Height differences between corresponding levelling points must be calculated. A check must be
carried out to prove that any differences do not exceed the tolerances permitted in the Levelling
Record. If any difference exceeds the permitted tolerance, the aircraft assembly, plays in
hinges and eventual permanent deformations, should be inspected.
LSA should be contacted in serious cases.
16. Control Surface Deflections
The required deflections of the control surfaces are specified in the Control Surfaces Deflection
Record (see Appendix 2 to this Manual). In case of difficulty, consult with the manufacturer for
the correct procedure.
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