RDLO
Page 8 of 24
Prior to installation, the personnel involved must be
informed on the local safety regulations by the site
management.
For all work mentioned below, the pump must be
set up safely and secured as required.
Place the levelling spindles included in the scope of
supply beside the foundation bolt recesses as
shown in the installation drawing. Then place the
baseplate with the foundation bolts inserted onto
the levelling spindles and align it with their help.
Place the pump and motor onto the baseplate and
align their shafts in relation to each other.
Grout the recesses for the foundation bolts with
quick-setting concrete. When the concrete has set,
tighten the foundation bolts until the nuts fit tightly to
the baseplate.
Lift the pump and motor off the baseplate.
Grout the baseplate with concrete. Make sure the
baseplate is completely filled and no cavities
remain.
When the concrete has set, tighten the foundation
bolts uniformly. The tightening torque is given in the
installation drawing in section 9.1.
After tightening of the foundation bolts, mount the
pump and motor on the baseplate and align their
shafts in relation to each other.
Caution
Observe the operating instructions for the
coupling.
The run-out between pump shaft and motor shaft
shall be smaller than 0.05 mm.
Faulty alignment can destroy the transmission
elements of the coupling and the bearings of motor
and pump.
In addition, check whether the direction of rotation
corresponds to the direction indicated by the arrow
on the pump casing.
5.4 Connecting the Piping
Never use the pump itself as an
anchorage point for the piping.
Suction lift lines should be laid with a rising slope
towards the pump and suction head lines with a
downward slope towards the pump. The pipelines
should be anchored in close proximity to the pump
and should be connected without transmitting any
stresses or strains. Their weight must not exert any
load on the pump. With short pipelines, the nominal
diameters should be at least equal to the nominal
diameters of the pump nozzles. For long pipelines
the most economical nominal diameter has to be
determined from case to case.
Any additional loads on the discharge and
suction nozzles, e.g. caused by the weight of the
water-filled pipes, changes in the length of pipes
owing to temperature fluctuations, reaction forces
due to unbraced expansion joints must not exceed
the values stated in the installation drawing.
An excessive, impermissible increase in the
pipeline forces may cause leaks on the pump where
the medium handled can escape into the
atmosphere.
Danger of life when hot media are handled!
Furthermore, impermissibly high forces and
moments acting on the nozzles may impair the
alignment of the pump set and cause damage to the
coupling, bearings or shafts.
The flange covers on the pump suction and
discharge nozzles must be removed prior to
installation in the piping.
5.5 Flushing Pipe
The pump has been equipped with a flushing pipe
at the factory.
Usually we supply this assembly completely
mounted on the pump. Should this, however, not be
the case, mount the hoses and fittings as shown on
the attached drawing.
5.6 Auxiliary Connections
The dimensions and locations of the auxiliary
connections (cooling, heating, sealing liquid,
flushing liquid, etc.) are indicated on the installation
drawing in section 9.1.
More detailed installation instructions are given in
the respective operating instructions for the
accessories.
These connections are required for proper
functioning of the pump and, therefore, are of
paramount importance!
Caution
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