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TM 9-4120-367-14
TM 07592B-14/1
6.5 NITROGEN PURGE. This task covers the nitrogern purge procedure.
INITIAL SETUP
Applicable Configurations:
All
Test Equipment:
None
Special Tools:
None
Materials/Parts:
Charging Manifold
Safety Glasses
Nitrogen (Cylinder)
Tools (Paragraph 3.1)
Thermal Gloves
Equipment Descriptions:
Power OFF; removed from shelter
Special Environmental Conditions:
None
General Safety Instructions:
See WARNING page
References:
None
Troubleshooting References:
None
Personnel Required:
Direct Support
Location/Item
Action
Remarks
NOTE
In accordance with the Environmen-
tal Protection Agency regulations, re-
frigerants cannot be purged into the
atmosphere. A refrigerant recovery/
recycling unit must be used whenev-
er discharging the refrigerant system.
Operation of the recovery/recycling
unit must be by AUTHORIZED
PERSONNEL ONLY.
Purge
a. Release refrigerant charge in accordance with
Paragraph 6.4
paragraph 6.4.
b. Attach middle hose from charging manifold to dry
nitrogen cylinder valve.
c. Connect hose from charging manifold low side to
suction charging valve.
d. Open both charging valves.
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