6-8 Cooling Unit Module Replacement
HN4000 Hardware Installation Guide 920550-5020 Rev 14
6.2.3 Replacing the Cooling Unit Module
TakethefollowingstepstoreplacetheCoolingUnitmodule.
Step 1. OrienttheCoolingUnitmodulesothatthetwothumbscrewsareontherightside.
Step 2. AsshowninFigure 6‐6,carefullyslidethemoduleintothechassisuntilthemoduleis
seatedintheitsconnector.Thefaceplate
ofthemoduleshouldbeflushwiththefront
oftheHN4000.
Figure 6-6 Replacing the Cooling Unit Module
Step 3. Tightenthetwomountingscrewstosecurethemodule(4.0in‐lbs(0.45Nm)).Donot
overtightenthescrews.
End of Procedure
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