Install the impeller: wet installation
1. Prepare the shaft:
a) Polish off any
flaws with a fine emery cloth.
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. Mount the impeller:
a) Fit an M12 lifting eyebolt into the shaft end and place the drive unit in a horizontal
position.
b) Lubricate the threads of the impeller screw and the washer.
Always use a new impeller screw.
c) Adjust the adjustment screw so that it is flush with the sleeve.
Maintenance
50 Flygt 3202 Installation, Operation, and Maintenance Manual
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