TM 55-1520-240-23-6
7-5
REPAIR PERMASWAGE PLUMBING
(Continued)
7-5
PREPARE REPLACEMENT TUBE
16.
Select a piece of tube of correct length. Tube
shall be the same as that being replaced.
17.
Bend replacement tube to shape of original
tubing leaving some excess for trim at both ends.
Remove all burrs. (Refer to steps 10 thru 15.)
Do not place fitting over tube end
until tube end is properly deburred.
Damage to fitting may result.
18.
Trim the fitting end of the tube. (Refer to steps 4
thru 9.) Place fitting over tube to compare length
to original fitting and tube.
19.
Install fitting onto the applicable component.
Position tube within fitting, aligning the other
end of tube with mating tube. Remove tube and
trim the other end as required. (Refer to steps
4 thru 9.) The maximum gap allowed between
mating tubes is 0.30 inch. See figure for allowing
mismatch.
20.
Remove all burrs from tube. (Refer to steps 10
thru 15.)
7-34