Alfa Laval S 921 - Page 35

5 Operating Instructions 5.2 Normal operation
5.2.3.1 Sludge discharge
1.
Turn off the oil feed.
2.
Perform a displacement of the oil by adding hot
water (not more than bowl volume).
3.
Perform a sludge discharge.
a.
Add opening water until a discharge sound
is heard (max. 3 seconds).
b. Wait 15 seconds.
c.
Add closing water for 15 seconds.
4.
Turn on the oil feed.
N
O
T
E
Before turning on the feed, make sure that the oil has
the correct temperature .
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