GEA durietta I Bloc Installation And Operating Instructions Manual page 35

Maintenance / servicing
21. Assemble impeller 0230.02.
22. Repeat steps 19 - 21 depending on numbers of
pump stages.
Fig. 45 Impeller
24. Insert Nord-Lock washer into the impeller nut
0922.00.
Fig. 47 Impeller nut assembly
25. Grease the thread of the pump shaft.
Use Klüberpaste UH1 96-402 from Hilge assem-
bly tool kit (pos. 6, Fig. 55).
Fig. 49 Impeller nut
27. Assemble suction cover 0162.00.
Fig. 51 Suction cover
BA.017.BYY.001.01.10.GB
23. Grease Nord-Lock washer 0922.00. Use Klüber-
paste UH1 96-402 from the HILGE assembly
tool kit (pos. 6, Fig. 55).
Fig. 46 Nord-lock washer
Grease Nord-Lock washers as shown in Fig. 48.
A B A
Fig. 48 Schema of Nord-Lock washer greasing
• 0230.00 impeller
• 0412.04 O-ring
• 0922.00 impeller nut
• A - fine toothing greased
• B - thick toothing against each other - greased
26. Tighten impeller nut 0922.00 by using a torque
wrench.
Torques: M8: 20 Nm
Fig. 50 Torque wrench
28. Assemble clamp ring 0515.01.
Fig. 52 Clamp ring
0922.00
0412.04
0230.00
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