Painting The Repair; Pressure Sensitive Safety Walk Installation - Piper Malibu Meridian PA-46-500TP Airplane Maintenance Manual

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G.

Painting the Repair:

(1) An important factor in obtaining a quality paint finish is the proper preparation of the repair and
surrounding area before applying any paint.
(2) It is recommended that parts be cleaned prior to painting with a commercial cleaner or a
solution made from one-fourth cup of detergent mixed with one gallon of water.
(3) The paint used for coating thermoplastic can be either lacquers or enamels, depending on
which is preferred by the repair facility or customer.
NOTE: It is extremely important that solvent formulations be considered when selecting a
paint, because not an lacquers or enamels can be used satisfactorily on
thermoplastic. Some solvents used in the paints can significantly affect and degrade
the plastic properties
(4) Another important matter to consider is that hard, brittle coatings that are usually best for
abrasion resistance should not be used in areas which incur high stress, flexing or impact.
Such coating may crack, thus creating a weak area.
3.

Pressure Sensitive Safety Walk Installation

Each of the steps on the lower cabin door have an 11.75 in. x 7.50 in. piece of pressure sensitive safety
walk installed on them.
A.
Surface Preparation:
(1) Allow newly painted surfaces to dry a minimum of 2 hours prior to applying the safety walk.
(2) If the paint becomes contaminated, remove the contamination with clean dry rags or paper
wipers moistened with MIL-S-18718 Safety Solvent.
(3) Prior to applying the safety walk, wipe the applicable surface with a clean dry cloth, ensuring
that no moisture remains on the surface.
B.
Application Procedure:
(1) Do not apply when surface temperature is below 50°.
(2) Peel back the full width of the protective liner leading edge approximately two inches.
(3) Adhere this edge of the safety walk to the inboard edge of the step.
(4) Remove the remaining protective lines as the safety walk is being adhered to the step.
(5) Roll firmly with a long handled cylindrical brush in both lengthwise directions.
6G3
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
51-70-00
PAGE 11
Apr 15/07

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