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TM 55-1905-223-24-9
(d) Discard hoses, preformed packings, seals, and gaskets.
(e) Be careful when removing attaching hardware and wiring, to avoid the possibility of broken or
stripped capscrews, bent tubing, or broken wire terminals.
(2) Cleaning. It is very important to clean properly. If you don't, you could get inaccurate torque readings,
reduced or restricted lubrication and/or contamination, and other problems that will reduce the effectiveness of the repair
(a) The most common contaminants are: Teflon tape, pipe fitting compound, metal filings and chips,
sawdust, and parts of cleaning rags.
(b) To avoid contamination with pipe fitting compounds such as Teflon tape or Permatex, it is important
to apply them to the male threads only. Make sure the female threads do not have any compound or tape still on them.
(c) Protect open piping during the repair process to prevent contamination.
(d) Copper tubing, seamless steel tubing, and galvanized pipe should be flushed out with diesel oil,
kerosene, varsol, or any other solvent compatible with mineral oil; then, blow out with air.
(3) Assembly. Be sure to follow assembly procedures as outlined. If torque values are not specified in the
procedure, follow the guidance found in Appendix D, General Bolt Torque Data.
When Teflon tape is used in place of pipe dope, reduce the tightening effort to avoid distortions or
cracks in the female (threaded) connection.


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