The end of the shaft must be clean and free from burrs.
b) Coat the inner conic, the outer cylindrical surfaces, and the thread of the conical
sleeve with a thin layer of grease.
The proper lubrication is grease for bearings, for example Exxon Mobil Unirex N3,
Mobil Mobilith SHC 220 or equivalent.
NOTICE:
Surplus grease can cause the impeller to become loose. Remove surplus grease
from conical and/or cylindrical surfaces of shafts and/or sleeves.
2. Align the edge of the adjustment screw with the edge of the conical sleeve so that
they are flush.
3. Grease the threads of the impeller screw and the washer.
The proper lubrication of the screw and washer is lubricating grease for assembly of
bolts etc., for example, Kluber ALTEMP Q NB 50 or equivalent.
4. Check that the impeller screw is clean and easy to screw into the shaft end.
This is to prevent the shaft from rotating with the impeller screw.
5. Assemble the conical sleeve in the impeller.
Make sure that the conical sleeve bottoms in the impeller.
6 Maintenance
42 Flygt 2190, 2201 Installation, Operation, and Maintenance Manual
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