TM 5-3805-260-24
TORQUES FOR OTHER FITTINGS
Ermeto Tube Fittings
Put nut and sleeve over the tube with head or shoulder end of
sleeve next to nut. Push tube into counterbore of fitting body as far as
possible. Turn nut clockwise until sleeve holds tube and prevents
movement. Tighten the nut I ’ turns more to seat sleeve and give a
locking action. When necessary to assemble again, put sleeve over
tube and tighten nut until a sudden increase in torque is felt. Then
tighten 1/6 to 1/3 turn more to seat the sleeve.
Flex Fittings
Put nut and sleeve’ over tubing and push tube into counterbore of
fitting body as far as possible. Tighten the nut until it is against the hex
part of the fitting body.
Hi Duty (shear sleeve)
Tube Fittings
After tube has been put through the nut and makes contact against
the tube shoulder in the fitting body, turn the nut with a wrench until a
small decrease in torque is felt. This is an indication that the sleeve
has been broken off of the nut. Hold the tube to prevent turning and
tighten the nut I and 1/2 turns.
Hi Seal Fittings
Put nut and sleeve over the tubing with the short heavy end of the
sleeve facing the end of tubing. Put the tube end against the
counterbore in the body of the fitting and tighten until nut is over the last
thread on the body. The remainder of space is used whenever the
fitting is removed and installed again.
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