Garmin B4 Bedienerhandbuch PDF herunterladen (Seite 41)

Instructions for Continued Airworthiness 190-01527-15 Rev 1

for the Garmin G500H Installation in Eurocopter EC130 Page 41 of 82

b) If damage is through the paint surface prepare area for paint touch-up using following

methods.

Note: On high strength steel, do not use power tools other than a flap brush or

mandrel with abrasive mat; overheating and notching may occur.

(1) Remove defect using flap wheel, abrasive disk, abrasive paper, or plastic media

blast.

(2) Using 320 grit sandpaper, blend edges of paint surrounding repair area to create a

smooth transition.

(3) Apply aluminum surface treatment if applicable. (Ref. Item 4. Below).

(4) Touch-up primer and paint to match original.

4. Aluminum Alloy Surface Touch-Up Treatment

Note: If there is any question of whether or not the protective coating is removed,

surface treatment shall be applied.

Warning: Alodine and solvents can cause burns and irritation when it contacts skin;

proper gloves should be worn. Vapors are harmful and caustic to eyes; Goggles must be

worn for eye protection. Alodine is poisonous. Vapors are harmful to life or health; work

should be performed with proper ventilation and / or respirators should be worn while

working with Solvents and alodine. Solvent cleaners are flammable.

a) Scuff surface using 3M scotchbrite 63 cellulose/nylon scouring pad.

b) Wipe exposed surface with isopropyl alcohol or aliphatic naphtha. Allow area to air dry

for 10 minutes. Do not touch or otherwise contaminate surface after solvent wipe.

c) Apply Alodine 1200 or equivalent with cotton swap, non-metallic brush, or by dipping.

Maintain moist surface for 1-3 minutes with repeated application. Surface will become

amber or brown in color.

d) Irrigate surface with demineralized or distilled water, to remove surface treatment

chemical. Allow to air dry for approximately 1 hour.

e) If there are any surface without color change, repeat procedure.

f) Apply paint touch-up as required. (Ref Section 20-30-00)

20-40-00

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Garmin B4 Bedienerhandbuch Seite 41