DOC AIRBUS | AMM A320FHARNESS OUTER JACKET REPAIR - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
** ON A/C NOT FOR ALL
1. General
A. Location
(1) The harness outer jacket is installed over the metal overbraid to protect the overbraid from wear, and to protect the harness from moisture contamination.
B. Reason of the Repair
NOTE: This procedure is intended as a temporary repair only. A permanent repair must be incorporated at the next available time period and location, but not later than the next engine shop visit.
(1) This procedure may be used to perform a temporary, on-wing repair to a damaged outer jacket.
C. Consumable Materials
| --------------------------------------------------------------------------- |
| ! REFERENCE ! DESCRIPTION ! SUPPLIER ! FSCM ! |
| --------------------------------------------------------------------------- |
| ! CP1041 ! Alcohol, Isopropyl ! Commercial ! ! |
| ! ! ! ! ! |
| ! HM352 ! Tape, insulating, ! CHR Industries, Inc. ! V71643 ! |
| ! ! high temperature ! An Armco Co. ! ! |
| ! ! ! 407 East St. ! ! |
| ! ! ! New Haven, CT 06509 ! ! |
| ! ! ! ! ! |
| ! P423 ! Tape, insulating, ! Permacel Tape Div. ! V99742 ! |
| ! ! high temperature ! An Avery Co. ! ! |
| ! ! ! U.S. Highway 1 ! ! |
| ! ! ! P.O. Box 671 ! ! |
| ! ! ! New Brunswick, NJ 08903! ! |
| ! ! ! ! ! |
| ! NSA8420-7 ! Tape, tying, ! Western Filament, Inc. ! V00768 ! |
| ! MIL-T-43435 ! fiberglass ! 4680 San Fernando Rd. ! ! |
| ! Type 4 ! ! Glendale, CA 91204-1821! ! |
| ! ! ! ! ! |
| ! 23 X TZ ! Tape, tying, ! Grudebod, Inc. ! V82110 ! |
| ! MIL-T-43435 ! fiberglass ! Griffith Towers ! ! |
| ! Type 4 ! ! P.O. Box 357 ! ! |
| ! ! ! Pottstown, ! ! |
| ! ! ! PA 19464-5568 ! ! |
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2. Harness Outer Jacket Repair
Harness Outer Jacket Repair| WARNING: ISOPROPYL ALCOHOL IS CLASSIFIED AS A HAZARDOUS MATERIAL WHICH MAY |
| CAUSE INJURY OR ILLNESS IF NOT PROPERLY USED. THIS PRODUCT SHOULD BE |
| USED ONLY IN ACCORDANCE WITH THE MANUFACTER'S SPECIFIC SAFETY AND |
| HEALTH RECOMMENDATIONS. PRIOR TO USE OF THIS PRODUCT, CAREFULLY READ |
| THE APPLICABLE ''MATERIAL SAFETY DATA SHEET'' AND OBEY ALL LISTED |
| SAFETY AND HEALTH PRECAUTIONS. |
A. Procedure
(1) Use isopropyl alcohol to clean the harness outer jacket for a distance of 3 inches (76.20 mm) on each side of the damage area.
(2) Double Wrap the damage area with high temperature insulation tape.
(3) The tape wrap schould go beyond the damage area by at least 1.5 inches (38.10 mm) on both sides.
(4) Each wrap schould overlap the previous wrap by 50 percent.
(5) Wrap a second layer of insulation tape over the damage area in the opposite direction from the first wrap.
B. To assure that the tape will stay in place, tie the tape wrap with tie tape.
(1) For each tie, use a clove hitch and a square knot.
(2) The ties schould go accross the full length of the repair area.
(3) The ties schould be spaced 0.5 in. (12.70 mm) apart, and go accross the full lenght or the repair area.