Alfa Laval S 821 - Fitting the Operating Water Ring

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6 SERVICE, DISMANTLING, ASSEMBLY 6.5 ASSEMBLY
5 Fitting the operating water ring.
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b Apply a thin layer of silicone grease
and fit the O-ring
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c Fit the operating water ring.
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The drilled assembly mark on the water ring should
face the corresponding mark on the bowl body.
d Grease, fit and tighten the screws to a torque of
30 Nm + 2 Nm.
a Fit the ring and screws .
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It is very important not to refit used screws.
Always fit new ones included in the
Inspection kit!