TM 5-3805-260-24TORQUES FOR OTHER FITTINGSErmeto Tube FittingsPut nut and sleeve over the tube with head or shoulder end ofsleeve next to nut. Push tube into counterbore of fitting body as far aspossible. Turn nut clockwise until sleeve holds tube and preventsmovement. Tighten the nut I ’ turns more to seat sleeve and give alocking action. When necessary to assemble again, put sleeve overtube and tighten nut until a sudden increase in torque is felt. Thentighten 1/6 to 1/3 turn more to seat the sleeve.Flex FittingsPut nut and sleeve’ over tubing and push tube into counterbore offitting body as far as possible. Tighten the nut until it is against the hexpart of the fitting body.Hi Duty (shear sleeve)Tube FittingsAfter tube has been put through the nut and makes contact againstthe tube shoulder in the fitting body, turn the nut with a wrench until asmall decrease in torque is felt. This is an indication that the sleevehas been broken off of the nut. Hold the tube to prevent turning andtighten the nut I and 1/2 turns.Hi Seal FittingsPut nut and sleeve over the tubing with the short heavy end of thesleeve facing the end of tubing. Put the tube end against thecounterbore in the body of the fitting and tighten until nut is over the lastthread on the body. The remainder of space is used whenever thefitting is removed and installed again.1-64
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