Vollrath Stoelting 100C, Service Manual

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6. Break the vacuum to (0 P.S.I.G.) with dry nitrogen, then
with an open port, replace the filter drier using the
appropriate brazing material. (Fig.37).
7. Once the filter drier has been replaced, repeat the
evacuation and recharging procedures.
Open
Port
Ë Ë Ë Ë Ë
Figure 37. Filter Drier Replacement