Alfa Laval LeviMag, Инструкция по эксплуатации, Страница: 30 / 68

5 Maintenance
Assembly drawings with position numbers (#) can be found in section 10.3 Drive unit - WP50 and in section 10.4 Drive unit -
WP81. Tightening torques can be found in section 8.9 Tightening torque for screwed connections.
5.7 Replacement of the female bearing
Step 1
Mount the protection shield to protect the impeller surface from
possible scratches from the magnetic stainless-steel part on the
female bearing. The stainless-steel part on the female bearing
catches the magnetic impeller easily.
4307-0046
Step 2
Use the female bearing tool to loosen the female bearing and
O-rings from the impeller.
4307-0047
Step 3
Apply torque to the female bearing tool to loosen as shown on
illustration.
The thread between the female bearing and the impeller is a
normal right handed thread - ie. the tool and female bearing must
be rotated in the direction of the red arrow to be unscrewed.
4307-0048
Step 4
Unscrew the female bearing completely and remove from impeller.
4307-0049
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