(b)  
Apply a light brush coat of high-speed lacquer to both the vinyl and Tedlar faying surfaces (Fig. 204).

(c)  
Allow lacquer to dry 3 to 5 minutes until tacky.

(d)  
Wipe down loose Tedlar overpanel edge and allow to dry 30 minutes.

(e)  
To prevent further delamination, apply clear lacquer as an edge sealer around entire periphery of part.

559  Tedlar Delamination Repair (Repair Method No. 31) 
May 01/98  Figure 204  25-00-11 
Page 241 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

AH. Repair Method No. 32
(1) 
 General

(a)  This method is for the repair of lavatory doors, aisle and forward/aft partitions. When parts are to be recovered in the airplane, a pressure sensitive film adhesive is to be used. On flat partitions use fiberglass backed vinyl and an unsupported vinyl for radiused or edge-wrapped parts.

(2)  
Equipment and Materials

(a)  
Aliphatic Naphtha, TT-N-95A

(b)  
Pressure Sensitive Film Adhesive -BMS 5-91

(c)  
Snowite plastic mender (Swiss Laboratories, Bedford Heights, Ohio)

(3) 
 Repair

(a)  
Doors 1) Remove door hardware as required. 2) Strip off vinyl from door. 3) Make pattern of area to be recovered using wax paper. 4) Clean off old adhesive. 5) Thoroughly dry door to ensure all solvent has evaporated. 6) Resurface dents, cuts and scratches as required with plastic mender. 7) Cut vinyl with approximately 1-inch excess. 8) Remove backing paper from vinyl. 9) Starting at one end, sweep vinyl onto panel. Avoid air entrapment. 10) Using cheesecloth, rub vinyl firmly down. 11) Trim edges and cutouts. 12) Replace door hardware as required.

(b)  
Forward/Aft Facing Partitions 1) Remove door and/or edge trim. 2) Remove lower trim strip, toilet shroud and support angle. 3) Unfasten flat ceiling panel and relocate up and outboard. 4) Cut vinyl along faying surface of toilet shroud support angle from insert to insert. 5) Strip off vinyl, except in lower corner behind toilet shroud. 6) Make pattern of area using wax paper. 7) Transfer pattern to back of vinyl and trace partition outline. 8) Cut partition pattern from vinyl fiberglass laminate. Use a straightedge on

inboard edge to ensure a straight cut. 9) Clean off old adhesive. 10) Resurface partition area as required with plastic mender. 11) Score and remove 6-inch strip of release paper from inboard straight edge of
vinyl.
559 
25-00-11 Page 242  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  May 01/98 

12)  Align straight edge of vinyl with straight edge of partition and lightly tack down. Smooth vinyl over remainder of partition and check for alignment.
NOTE:  If necessary to reposition vinyl, remove vinyl from partition with a sharp jerk.
13)  When vinyl alignment is correct, remove remainder of release paper and sweep
vinyl out panel surface. 14) Using a soft pad or cheesecloth, firmly rub down vinyl over entire surface. 15) Fasten flat ceiling panel. 16) Replace trim, shroud and hardware removed in step 2. 17) Install door and/or edge trim.
(c)  Inside of Aisle Partitions 1) Remove door and/or edge trim. 2) Remove fluorescent lamp fixture. 3) Unfasten flat ceiling panel and relocate up and outboard. 4) Remove access door on front and aft LH lavatory partitions. 5) Remove counter moulding. Loosen counter cabinet to provide gap between it
and the partition.
6) Strip off visible areas of vinyl.

NOTE:  Use unsupported vinyl to cover forward RH and aft LH lavatory partitions. Fiberglass backed vinyl can be used on aft RH lavatory partition.
7)  Make pattern of area with wax paper.
NOTE:  When using unsupported vinyl, allow 1- to 2-inch excess to allow for wrapping access door cutout and to tuck in behind counter.
8) Clean off old adhesive.
9) Resurface rough or damaged areas as required with plastic mender.
10) Score and remove 6-inch strip of release paper from top edge of vinyl.
11) Position vinyl at top edge of panel and lightly tack down. Check alignment of

vinyl over remainder of panel. 12) If alignment is satisfactory, progressively strip off release paper (about a foot at
a time) and sweep vinyl onto panel.
13) Trim excess vinyl. Wrap vinyl around access door cutout.
14) Re-cover access door separately.
15) Replace fluorescent lamp fixture.
16) Replace access door.
17) Fasten flat ceiling panel.
18) Install door and/or edge trim.

559 
Aug 15/76  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-00-11 Page 243 
　
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