TM 10-1670-292-23&P 0010 00UNIT MAINTENANCE MC1-1C/MC1-1D TROOP BACK PARACHUTE ASSEMBLY SALT/FRESH-WATER CONTAMINATION TEST 0010 00-1 THIS TASK COVERS: =Inspection INITIAL SETUP: Equipment ConditionPersonnel Required Laid out on packing table or other suitable area. 92R(10) Parachute Rigger INSPECTION Look for a white crystalline residue. If evidence of salt-water/fresh-water contamination is found, refer to the procedures detailed below: Rinsing Parachute Assembly Immersed in Salt-Water.If the parachute, or any of its components, has been immersed in salt water in excess of 24-hours it will be condemned. Additionally, if the parachute, or any of its components, has been immersed in salt water for a period less than 24-hours, but cannot be rinsed within 48-hours after recovery, it will also be condemned. However, if the cited time limitations can be met, then immediately upon recover, suspend or elevate the parachute assembly in a shaded area and allow it to drain for at least 5-minutes. Do not attempt to wring the fabric or the suspension lines. Within 48-hours after recover, under the supervision of a qualified parachute rigger (92R), rinse the recovered parachute assembly as follows: 1. Place the parachute assembly in a large watertight container filled with a suitable amount of fresh, clean water to cover the assembly. NOTE If the salt-water-soaked parachute assembly is too large to be placed into a rinsing container, then the rinsing process will be affected by applying fresh, clean water to the assembly using a hose. 2. Agitate the container contents by hand for 5-minutes. 3. Remove the parachute assembly from the container and suspend or elevate it in a shaded area, allowing a 5-minute drainage period. Do not attempt to wring the fabric or the suspension lines. 4. Repeat the procedures in steps 1. through 3., above, twice, using fresh, clean water for each rinse. 5. After the third rinse, allow the parachute assembly to drain thoroughly. Upon completion of draining, dry the assembly in accordance with the Drying Fabric Items procedures detailed below. 6. When dried, perform a technical/rigger-type inspection of the parachute assembly. Corroded metal components, or corrosion-stained fabrics or suspension lines, will be either repaired or replaced as prescribed by the Maintenance Allocation Chart (MAC) in WP 0042 00. 7. Record any repair, immersion, and rinsing in the parachute log record as shown in WP 0003 00.
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