Original Date: 06/23/1997
Revision Date: 01/18/2007
Information : Aerial Intercept Missile-9M Sidewinder Missile Umbilical Cable Repair
As part of the Aerial Intercept Missile (AIM)-9M Sidewinder Missile Depot Operation, the umbilical cable (Figure 3-1) is tested, inspected, and repaired. The past practice consisted of inspecting the cable for serviceability and testing for a 0.1 ohm maximum resistance from point-to-point. If the cable jacket was damaged or if it failed the electrical test, the cable was scrapped. The cost of each replacement cable was $1,230.
The new procedure developed by Letterkenny Army Depot (LEAD) includes the replacement of the cable boot or repair of the boot/connector joints. Electrical test failures are still treated as non-repairable. If the boot is serviceable, but the epoxy boot/connector joints are damaged, the original epoxy and foreign material are removed, and the areas are cleaned, primed, and re-epoxied. If the boot is unserviceable, it is split lengthwise and removed. The original epoxy and foreign material are removed, and the mating surfaces cleaned. The new boot is shrunk into place, and epoxy is then applied to the boot/connector interface. The average cost to repair each cable is $185 versus the $1,230 cost of replacement cables.
Figure 3-1. AIM-9M Guided Missile
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