TM 9-4120-385-14
5-6. NITROGEN
PURGE
NOTE
Nitrogen purge is used during brazing or debrazing operations and to
remove moisture from refrigerant system.
a. PREPARATION-SETUP.
See Figure 5-5.
1.
Remove two
screws and access cover.
refrigerant charge. Refer to Paragraph 5-5.
2.
Release
CAUTION
system should not exceed 10 psig
N i t r o g e n pressure in the
(0.70 kg/cm2).
Attach center hose on charging manifold to dry nitrogen cylinder valve.
3.
4.
Connect low pressure (suction) hose from charging manifold to low pressure
(suction) service valve on unit. Refer to Paragraph 5-5.
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