FLYGT Flygt 3069, Installation, Operation And Maintenance Manual

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6.6 Replace the F-impeller
WS009611A
1
2
3
4
5
6
7
1. Nuts
2. Suction cover
3. Seal sleeves
4. Studs
5. Impeller screw
6. Impeller
7. Sleeve
6.6.1 Remove the F-impeller
CAUTION: Cutting Hazard
Worn parts can have sharp edges. Wear protective clothing.
1. Remove the nuts, the suction cover, and the seal sleeves.
2. Remove the impeller screw.
Prevent the impeller from rotating.
3. Remove the impeller and the sleeve.
6.6.2 Install the F-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 and the outer cylindrical surfaces of the sleeve with a thin layer
of grease.
WS008329B
The proper lubrication is grease for bearings, for example Exxon Mobil Unirex N3,
Mobil Mobilith SHC 220 or equivalent.
6 Maintenance
44 Flygt 3069 Installation, Operation, and Maintenance Manual