4. Fit the impeller puller and pull off the impeller and cutter wheel.
Place a protector between the screw head and the impeller puller.
5. Remove the conical sleeve.
6.4.3.2 Install the M-impeller
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.
6 Maintenance
Flygt 3085 Installation, Operation, and Maintenance Manual 55
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