Alfa Laval S 821 - Checking Disc Stack Pressure

121
6 SERVICE, DISMANTLING, ASSEMBLY 6.5 ASSEMBLY
16 Checking the disc stack pressure
i
i
G0874971
g Assemble the bowl with
inlet and outlet pipe.
a Remove bowl hood, top disc and inlet and outlet pipe.
b Add one disc to the disc stack.
c Refit the disc without caulks, the top disc
and bowl hood.
f Dismantle the bowl and remove
one disc to get the correct disc
stack pressure.
e If the lock ring enters the groove,
repeat a-d until the lock ring does
not enter the groove.
d Fit the lock ring and fully compress
the disc stack with the compressing
tool.
N
O
T
E
Do not use more power than 50
Nm/screw at a time, alternately.
N
O
T
E
Always refit the disc
without caulks on top
of the disc stack!