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TM 9-2320-356-BD
Procedural Steps:
Option 1:
Replacement of a Short Damaged Tube Section.
1.
Cut out and square the damaged portion of the tubing.
2.
Deburr and clean the ends.
NOTE
If a beading tool is not available, make an
improvised head by wrapping string or wire
around the tube.
Coat the string or wire with
sealant or hardening epoxy.
3.
Bead the tubing 1/2 inch from the ends.
4.
Select a length of medium- or high-pressure hose with an inside diameter equal
to the outside diameter of the tube.
Cut the length 4 inches longer than the
removed piece of tubing.
5.
6.
aid
7.
Coat string and hose with sealant.
Slide the hose ends over the ends of the tubing.
Use grease or system fluid to
in sliding the hose over the tubing, particularly the bead.
Secure the hose with two hose clamps.
Position clamp screws 180 degrees to
each other.
8. Record the BDAR action taken.
When the mission is completed, as soon as
practicable,
repair using standard maintenance procedures.
3-21
Pressure test the assembly.
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