Operation &
Maintenance Manual
Pump
RW
14/32
Edition 4
HSC
08-W36
782-001-GB
6.3
Checkpoint installation - V
In some applications it is possible that the pump will not
work due to presence of air in the volute.
Lifting the pump a bit (10-20mm) while running may
solve the problem.
When the problem repeats, an air-venthole can be
drilled in the coupling adapter and a special gasket must
be fitted. (see fig. 6.5).
When air is present, this will escape through the hole.
When the fluid arrives, the special gasket will close the
hole.
-
Take part (1) (fig.6.6).
-
Drill a 8mm hole in the cast boss on top
of the coupling adapter.
-
Deburr the hole.
-
Place a special gasket (3) (Fig. 6.7)
-
Mount the coupling adapter (1) to the
pump (2).
Part numbers for special gaskets.
Coupling type: part number:
V 65/ V 80 761-056
V 100 761-057
V 150 761-058
V 200-N
761-064
Fig. 6.5
Fig. 6.6
Fig. 6.7
Air
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