NOTE: The fiberglass fabric should make a minimum of a 2-inch
____ overlap on the area that is not damaged. For example, the fiberglass fabric dimension that is necessary for a 1.5-inch diameter hole would be 5.5-inch diameter.
(c) Apply one more layer of the adhesive.
S 348-118
(7)
Allow the adhesive to cure for a minimum of 24 hours at 77 |10°F or a minimum of 1 hour at 150 |19°F.
S 348-119
(8)
Attach permanently with bolts, NAS603-5P or equivalent, washers, AN960JD10L, and nuts, MS21042L3, at a maximum of 2 inches apart and approximately 0.5 inch from the edges of the fiberglass fabric.
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S 218-120
(9)
Make sure there is sufficient clearance between the bolts and the adjacent systems behind the panel.
S 328-121
(10)
If it is necessary, grind the ends of the bolts smooth with the nuts to get sufficient clearance.
S 438-135
(11)
Install the panel if you removed it to do the repairs AMM 25-50-01/401, AMM 25-50-02/401, or AMM 25-50-03/401).
S 968-136
(12)
If sufficient clearance is still not obtained, replace the damaged panel.
TASK 25-50-09-308-122
5. Repairs for the Neoprene-coated Fabric Liners_____________________________________________
A. General
(1)
The task that follows is for the repair of neoprene-coated liners.
(2)
There are two repair alternatives. It is only necessary to do one of the repairs that follow:
(a)
Repair the neoprene-coated liners with mechanical fasteners.
(b)
Repair the neoprene-coated liner with fiberglass thread.
(3)
Liners designed for blow out if decompression occurs are not repaira ble and should be replaced.
B. Consumable Materials
(1)
A00016 Adhesive - BMS 5-91, Type I, II, or III
(2)
Fiberglass Fabric
NOTE: Use one of these liner materials:
____
(a) G01338 Liner - Glass Fiber - Reinforced Phenolic Laminate, BMS 8-223, Grade B, Class 2, Type 13
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(b) G01497 Fiberglass, Neoprene-coated - FS-845 White, 2 ply,
0.028 inch thick, Supplier: SMR Technologies, Inc.
(3)
B00065 Alcohol - Denatured
(4)
Thread, Fiberglass
NOTE: Use one of these thread options for the second alternative
____
repair:
(a)
G01498 Thread, Fiberglass - P/N GTH-18, Supplier: Lance Industries
(b)
Thread, Fiberglass - P/N E-18, Supplier: SMR Technologies, Inc.
C. References
(1)
AMM 25-50-01/401, Cargo Compartment Ceiling Lining
(2)
AMM 25-50-02/401, Cargo Compartment Sidewall Lining
(3)
AMM 25-50-03/401, Cargo Compartment Bulkhead Lining
D. Access
(1) Location Zones
121/122 Forward Cargo Compartment
153/154 Aft Cargo Compartment
E. Procedure - Repair the Neoprene-coated Liners with Mechanical Fasteners
S 028-123
(1)
Remove the fasteners that attach the liner to the structure.
S 038-124
(2)
Remove the liner (AMM 25-50-01/401, AMM 25-50-02/401, or
AMM 25-50-03/401).
(3)
Make two fiberglass patches.
S 348-125
NOTE: The patch should make a minimum of a 2-inch overlap on the
____ area that is not damaged. For example, the patch dimension that is necessary for a 1.5-inch diameter hole would be a 5.5-inch diameter.
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