User's Manual Part 2

CAS / Part No. 9000000

SYSTEM DESCRIPTION AND INSTALLATION MANUAL

34-43-20

15 Feb 2003

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9--3

D. Clean VSI/TRA Display

(1) Clean front panel of display with a mild glass cleaner and soft cotton cloth.

(2) Clean the glass face with a mild glass cleaner and lens tissue.

E. Clean Transponders

Clean transponders with a cloth dampened with solvent. Dry with a clean cloth or use

compressed air.

4. Painting

A. TCAS Directional Antennas

(1) Scope

This procedure covers the removal and reapplication of coating to the TCAS

directional antenna. Localized touch--up is allowable and preferred using airbrush

techniques to ensure minimal paint thickness. The touch--up may be applied either

with the antenna on the aircraft or removed from the aircraft.

(2) Procedure

W ARNING: SOLVENTS AND COATINGS ARE COMBUSTIBLE. KEEP AWAY FROM

HEAT AND OPEN FLAME.

(a) Clean

Scrape away all filleting and adhesive material from area to be coated. Remove

surface contamination using isopropyl alcohol or reducer.

(b) Scuff Sand

If the entire antenna is to be recoated, sand to primer with 220 grit sandpaper.

An orbital sander is preferred. For localized touch--up, feather sand areas of

exposed radome material to provide a smooth transition to the painted surface.

If the entire antenna is to be recoated, sand primer and through--holes using 400

grit sandpaper or Scotch --Brite so the primer is removed except in swirls

wherever possible.

(d) Final Clean

Clean the surface to be coated with isopropyl alcohol or reducer.