(2)
B00036 Freon TF
(3)
B00083 Aliphatic Naphtha - TT-N-95
(4)
A00119 Adhesive - BMS 5-55
(5)
A00016 Adhesive Film - BMS 5-91
(6)
B00137 Sandpaper, medium grit
(7)
G00270 Masking tape
B. Procedure - Placard Removal
NOTE: If the used placard is attached tightly and the new placard is the
____ dimension, you can install the new placard on the used placard.
S 034-002
(1)
Put a sharp knife or equivalent object below the edge of the placard and remove the placard from the adhesive area.
S 114-003
(2)
Use naphtha, isopropyl alcohol, ethyl alcohol, or Freon TE to remove the adhesive from the surface.
C. Prepare the Placard for Installation
S 804-004
(1)
If the placard has a mark that shows BMS 5-91 adhesive film is used, no special placard preparation is necessary. Do the installation.
S 804-005
(2)
If the placard has no backing adhesive, prepare the placard as follows:
(a)
Use sandpaper to make the rear surface of the placard rough.
(b)
Clean the placard with naphtha cleaner.
(c)
Remove the release paper from one side of the BMS 5-91 adhesive film and apply it to the rear of the placard. Remove all the unwanted adhesive film.
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(d) Bond the adhesive film to the placard with one of these steps:
NOTE: This step loosens the bond between the adhesive and the
____ release paper. Be careful not to let the release paper move.
1) Roll the placard on a hot roll laminator heated to 140°F.
2) Heat the placard to not more than 140°F with a dry air blast or some other applicable heat source. Rub the release paper side with a cheesecloth.
S 804-006
(3) If the placard has an adhesive backing other than BMS 5-91, prepare the placard as follows:
NOTE: This step is not necessary but it does make sure the adhesive
____
film is firmly bonded to the placard.
(a)
Remove the release paper from the rear of the placard.
(b)
Remove the release paper from one side of BMS 5-91 adhesive film and apply the adhesive film to the rear of the placard. Remove all the unwanted adhesive film.
(c)
Bond the adhesive film to the placard with one of these steps: 1) Roll the placard on a hot roller laminator heated to 140°F. 2) Heat the placard to not more than 140°F with a dry air
blast or some other applicable heat source. Rub the release paper side with a cheesecloth.
D. Procedure - Placard Installation
NOTE: If you install the new placard over a used placard or on the
____ cured adhesive from a used placard, steps 2 thru 4 and 8 are not necessary.
S 114-007
(1) Clean the surface with Naphtha, isopropyl alcohol, ethyl alcohol, Freon cleaner, or detergent. Make sure the surface is fully dry.
S 954-008
CAUTION:_______MAKE SURE THE MASKED AREA IS IN THE CORRECT LOCATION. YOU CAN REMOVE DRY ADHESIVE WITH NAPHTHA CLEANER. BUT IF YOU REMOVE CURED ADHESIVE, YOU WILL DAMAGE THE SURFACE.
(2)
Use masking tape to apply a mask to an area approximately 1/16-inch smaller than the placard. Or use a mask of the necessary size in the correct position.
S 354-009
(3)
Use a brush to apply one layer of the adhesive to the area where the placard touches the surface.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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ALL ú ú 01 Page 402 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
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