6.4.2 Remove the impeller: Vortex (L)
This instruction applies to pumps equipped with a Vortex impeller with
pressure class L.
1. Remove the pump housing:
a) Remove the pump housing screws.
b) Lift off the drive unit from the pump housing.
2. Remove the impeller:
a) Place the drive unit horizontally.
b) Remove the impeller screw.
c) Remove the impeller, the washer, and the conical sleeve.
WS007731A
6.4.3 Install the 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.
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. Lubricate the threads of the impeller screw and the washer, if any.
3. Fit the impeller.
Impeller type
Action
Non-clog
Fit the conical sleeve, the washer, and the impel-
ler screw to the shaft.
Vortex (H) (M) (L) 1. Fit the conical sleeve to the shaft.
2. Fit the impeller and impeller screw to the
shaft.
WS007759A
Figure 11: Non-clog impeller
WS007760A
Figure 12: Vortex (H,M)
WS007755A
Figure 13: Vortex (L)
4. Fasten the impeller.
16
Summary of Contents for GOULDS 2GFK2412H
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