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13773-001
11-30
Page 1
INTERIOR PLACARDS
1. DESCRIPTION
This section describes the maintenance practices pertinent to those placards and markings which give
operating instructions, directional movements, servicing instructions, part or position identification, escape
instructions, and safety precautions. Most airplane interior placards are integral to the individual panel’s
polycarbonate graphic overlay. The remaining placards are printed on cast vinyl. Interior placards include:
CAPS Handle Cover, Engine Control Panel, Circuit Breaker Panel, Bolster Switch Panel, Instrument Panel,
Audio Panel, Yoke Grip Switch Plate, Baggage Door, ELT Location, Alternate Induction Air, and Parking
Brake Release. (See Figure 11-301)
2. MAINTENANCE PRACTICES
A. Polycarbonate Graphic Overlay
(1) Removal - Polycarbonate Graphic Overlay
(a) Acquire necessary tools, equipment, and supplies.
(b) Remove trim panels or attaching hardware securing panel to airplane. (Refer to 25-10)
(c) Apply heat with hot-air blower until adhesive loosens from panel surface.
(d) Peel decal away from surface, using additional heat and putty knife if necessary.
(e) Solvent clean surface to remove residual adhesive. (Refer to 20-30)
(2) Installation - Polycarbonate Graphic Overlay
(a) Acquire necessary tools, equipment, and supplies.
(b) Solvent clean surface where overlay is to be installed. (Refer to 20-30)
(c) Remove protective backing from one half of overlay using care not to contaminate adhe-
sive surface.
(d) Prior to final assembly, allow 24 to 48 hours for adhesive to reach maximum bonding
strength.
Description P/N or Spec. Supplier Purpose
Denatured Alcohol - Any Source Solvent
Clean, white, lint free cloth - Any Source Solvent Wipe
Hot-air blower - Any Source Removal of panel
Putty knife - Any Source Removal of panel
and residual adhe-
sive.
Description P/N or Spec. Supplier Purpose
Denatured Alcohol - Any Source Solvent
Clean, white, lint free cloth - Any Source Solvent Wipe
Rubber Roller - Any Source Application of sur-
face pressure.
30 Nov 2000