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Maintenance
5. Remove the impeller:
Install the impeller MT, HT
1. Prepare the shaft:
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a) Lock the impeller to prevent rotation.
Use pliers, a screwdriver, or similar.
b) Turn the adjustment screw counterclockwise until the impeller breaks free from
the shaft.
Use an 8 mm hexagon bit adapter (Allen socket).
c) Pull off the impeller.
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.
Flygt 2840.180 Installation, Operation, and Maintenance Manual
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