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A 737-300/400/500MAINTENANCE MANUAL
ALIGN SIX FLAPS OF THE WASHER STAR CUTOUT WITH SIX STRIPS ON THE END OF THE CYLINDRICAL TUBE. FOLD THE STRIPS AND FLAPS DOWN AND BOND THEM TO THE WASHER.
TO LOCATE WASHERS ON THE TUBE BEFORE BONDING
Insulation Blanket Repair
Figure 802 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
STITCHING
0.50 INCH OR SMALLER DIA STAND OFF
DISC RD-OT7-150 INBOARD SIDE OF BLANKET OR CAPSTRIP
INSULATION BLANKET
PRESSURE-SENSITIVE ADHESIVE DOUBLER
INSULATION BLANKET THICKNESS (IN INCHES) PART NO. 61B50020 GROMMET DIMENSIONS INCH 11
"A" "B" "C" "D"
1.50 -46 0.88 0.75 1.00 0.75
2.00 -47 0.88 0.75 1.50 0.75
1.00 -88 0.88 0.75 0.50 0.75
1.00 -89 0.88 0.75 0.75 0.75
1.00 -90 1.13 0.75 0.75 0.75
1.50 -91 1.13 0.75 1.00 0.75
TABLE I
(FEDERAL SPECIFICATION V-T-276, TYPE 1B3 OR TYPE 1B1, TICKET NO. 16).
YOU CAN USE STAPLES TO MAKE IT EASIER WHEN YOU MAKE THE STITCHES.
THE STAPLES MUST NOT BE INSTALLED THROUGH THE EDGE TRIM.
IF NECESSARY, USE ONE MORE LOCATION TO MAKE THE STITCHES.
USE AN ADHESIVE DOUBLER IF IT IS NECESSARY TO GO THROUGH THE
INSULATION 0.50 INCHES OR LESS.
Insulation Blanket Repair
Figure 802 (Sheet 3)
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A
737-300/400/500MAINTENANCE MANUAL
C. Consumable Materials
(1)
Adhesives
(a)
A00028 Adhesive - BMS5-92, 3M 2216
(b)
A00000 Adhesive - BMS 5-123, Hysol 608
(c)
D00147 Filler - BMS 5-136, Ad Tech 15-3
(2)
B00168 Paper - Abrasive, 400-600 grit
D. References
(1) AMM 20-10-27/201, Heat Guns, Soldering Guns, and/or Soldering Irons
E. Access
(1) Location Zone
200 Upper Half of the Fuselage
F. Repair aluminum trim.
S 018-172
(1)
Remove any fasteners from the aluminum trim if they are installed.
S 018-173
(2)
Remove the aluminum trim from the panel.
S 018-174
(3)
If the trim is bonded, use a heat gun to help remove the trim.
(a)
Apply heat while pulling the trim away from the panel.
(b)
Remove the trim progressively from one end to the other.
S 828-175
(4) Restore the trim to its original straightness and contour.
NOTE: Use metal working techniques to remove dents and straighten
____
the trim as much as possible.
S 428-180
(5)
Put the trim onto the panel and reattach any fasteners.
S 428-181
(6)
If the trim is applied with fasteners and adhesive, apply epoxy adhesive to the edge of the panel and quickly reattach the trim with the fasteners.
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737-300/400/500MAINTENANCE MANUAL
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