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TM 9-4120-389-14
Figure 5-2. Nitrogen Purging Connection
c. The hose from the high pressure service valve to the charging manifold must be connected.
d. The hose from the low pressure service valve must be disconnected from the charging manifold.
e. Close the unused valve on the charging manifold, and open the one with the nitrogen tank hook up.
f. Open the nitrogen cylinder valve and adjust the regulator so that I to 2 cfm (0.028-0.057 m3/minute) of
nitrogen flows through the system.
g. Check discharge from hose attached to the low pressure charging valve to be sure that no oil is being
forced out of the system.
5-6
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