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Alfa Laval S 821 - Bowl Checks and Valve Plug Fitting

Alfa Laval S 821
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109
6 SERVICE, DISMANTLING, ASSEMBLY 6.5 ASSEMBLY
6.5.3 Bowl
1 Check for impact marks and corrosion in bowl
body nave and on spindle taper .
2 Fitting new valve plugs on the operating slide .
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G0874611
a Remove any impact marks using
a scraper and/or a whetstone.
b Rust can be removed by using a
fine-grain emery cloth (e.g. No. 320).
c Finish with polishing paper (e.g. No. 600).
C
A
U
T
I
O
N
!
Disintegration hazard
Impact marks may cause the separator to
vibrate while running.
d Lubricate to prevent further corrosion.
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b Carefully tap in new valve plugs, using a
clean, soft-faced hammer.
N
O
T
E
Make sure that the plugs are fitted as
described in the illustration.

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