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Page Title:
REFRIGERATION PIPING - Continued. |
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 TM 5-4120-386-14
5-30. REFRIGERATION PIPING - Continued.
REMARKS
ACTION
LOCATION/ITEM
Replace any piping or con-
C.
Test-
nection that is leaking beyond
(Continued)
rate of 0.1 ounce (2.8439 gms)
per year.
Debraze and remove tubing only
a.
Removal
when necessary to remove a de-
fective part.
See Para. 5-12.
b. When brazing, constantly purge
the refrigerant system with dry
nitrogen to prevent scale for-
mation within the refrigerant
system.
Installation
Braze all copper-to-copper
a.
joints with silver solder
Braze all copper-to-brass or
b.
copper-to-steel with silver
Braze melting point is 1160oF
c.
( 6 2 5o C ) .
d.
See Para. 5-12.
Make all braze joints with an
atmosphere of inert gas to pre-
vent internal oxidation.
See Para. 5-11
Service refrigeration system
e.
thru 5-16.
after repairs.
See Para. 4-17.
f.
Secure Top Covers.
5-102
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