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Grundfos SCALA Service Instructions

Grundfos SCALA
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English (GB)
7
14. Unscrew the pressure tank (42) counterclockwise and remove
the gasket for the tank (42a).
Fig. 9 Removing the pressure tank
5.4 Removing the chamber stack
1. Remove the plug (169) on nameplate to access the shaft end.
2. Remove the locking nut (67) and the washer (66). Hold the
shaft with a screwdriver in the shaft end.
Fig. 10 Loosening the locking nut for the chamber stack
3. Remove the chamber stack.
Fig. 11 Chamber stack and shaft seal
5.5 Removing the shaft seal
1. Remove the rotating shaft seal face (104).
2. Remove the stationary seat (103) using a needle-noise pliers.
Fig. 12 Removing the stationary shaft seal
6. Fitting the shaft seal
1. Fit the stationary seat (103) with the O-ring (102) against the
pump housing.
Fig. 13 Shaft seal complete
2. Fit the rotating shaft seal face (104).
Fig. 14 Fitting the shaft seal and the chamber stack
TM06 5154 3915TM06 5155 3915TM06 5170 3915
TM06 5169 3915
TM06 5341 4415
Do not touch the ceramic faces of the shaft seal.
TM06 5170 3915
112
108
104
103
102
107
111a
111

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Grundfos SCALA Specifications

General IconGeneral
Frequency50/60 Hz
Maximum Suction Lift8 m
InstallationHorizontal
ApprovalsCE
Pumped liquidWater

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