TM 9-2320-361-20 APPENDIX D (Contd) Tubing Application Tightening Assembly Instructions Slide tubing over barbed insert until it bottoms on fitting. 1. Slide nut and then sleeve on tubing. 2. Slide I.D. of tubing onto fitting insert until it bottoms. 3. Assemble nut to fitting body. 4. Tighten assembly finger tight to cover body threads. 1. 2. 3. 4. Slide nut and then sleeve on tubing. Slide I.D. of tubing onto fitting insert until it bottoms. Assemble nut to fitting body. Tighten nut finger tight. From that point, tighten with a wrench two complete turns. 1. Cut tubing to desired length. Ensure ends are cut reasonably square. 2. Slide tubing into the preassembled fitting and push until tube bottoms. 3. Tighten nut as indicated in chart. Another check on proper assembly is dimension "A", when nut is fully tightened. DISASSEMBLY - Remove nut and pull tubing out of fitting body. Insert will remain in tubing. REASSEMBLY - Push tubing and insert into fitting body until it bottoms. Thread nut onto A fitting body and tighten as in step 3. 1/4 85-115 lb-in. (9.6 - 13.0 N·m) .085/.105 3/8 12-17 lb-ft (16.3 - 23.1 N·m) .125/.145 1/2 25-33 lb-ft (33.9 - 44.7 N·m) .100/.120 5/8 26-35 lb-ft (35.3 - 47.5 N·m) .115/.135 3/4 38-50 lb-ft (51.5 - 67.8 N·m) .180/.200 D-4