REPAIR OF PUNCTURE WITH CORE FRACTURE

REPAIR OF PUNCTURE WITH MINIMAL DAMAGE TO CORE.

REPAIR OF PUNCTURE WITH CORE FRACTURE (cont)

TM-10-5411-200-14
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TM 10-5411-200-14 T.O. 35E4-177-1 4-36. REPAIR OF PUNCTURE WITH CORE FRACTURE. NOTE The following procedure covers repair of any shelter panel punctured skin with core fracture, (damaged area not exceeding 25 square in. 161 sq cm)). Use hand router to cut patches and openings. W A R N I N G Wear safety goggles for eye protection from flying metal chips. a. Dry panel per paragraph 4-31, if required. b. Cut an opening through panel skin with a portable electric router, Appendix B, Item 15, that is one inch greater than damaged area. Avoid sharp corners in opening. c. Peel damaged portion of skin from core by lifting and rolling skin. d. Remove all loose core from exposed core area with compressed air. than e. Cut aluminum cutout opening. patch (Item 4, Appendix E) one inch larger all around SKIN PUNCTURE WITH CORE FRACTURE f. Layout and drill holes as shown. g. Mix sufficient amount of adhesive (Item 1, Appendix E) in accordance with manufacturer’s instructions. h. Pack adhesive in core cells to fill exposed area above surface of panel skin. i. Apply heat using tripod base heat lamp, Appendix B, Item 16, at 200°F (93.3°C) for 40 to 60 minutes to fully cure adhesive. Alternate cures: 150° F for 4 hours or 75° F for 72 hours. 4-164

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