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Figure 123. Purging nitrogen
Loosen and remove the cap from the air-purging valve.
Press in on the valve stem of the air-purging valve to purge the nitrogen from the heat
exchanger. Continue holding in the valve stem until the pressure is released.
Step 4.
Align the supply hose coupling with the supply manifold, push it in and pull the collar backward
until it locks in place with an audible click. Then, repeat the same procedure on the return hose and
manifold.
Figure 124. Supply and return hoses and manifold couplings
110
ThinkSystem Heavy Duty Full Depth 42U Rack Cabinet User Guide
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