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Caution
Caution
Caution
Caution
Omega
8
5.3
Installing the Pump / Unit
Before setting up the pump, check the
operating data. Ensure that the data on the
name plate matches the data in the order and the system data,
e.g. operating voltage, frequency, pumped liquid temperature
etc.
After placing the pump on the foundation, align it with the help
of a spirit level. Shims shall be fitted between the baseplate and
the foundation itself; they shall always be inserted to the left and
right of the foundation bolts and in close proximity to these
bolts. For a bolt--to--bolt clearance of more than 1000 mm, addi-
tional shims shall be inserted halfway between the adjoining
holes. All shims must lie perfectly flush.
1000
1000
Shim
Shim
Shim
Foundation bolts
Fig.5: Fitting required shims
Insert the foundation bolts and set them into the foundation
using concrete. When the concrete has set, align the baseplate
as described in section 5.3.2 and tighten the foundation bolts
evenly and firmly. Then grout the baseplate using low shrinkage
concrete, making sure no cavities remain.
5.3.1
Removing Rotor Lock
This is not necessary for a horizontally installed pump, since no
locking device is fitted.
5.3.2
Aligning the Pump / Drive
Improper alignment of the unit can cause damage to
both the coupling and the unit itself!
A pump set in horizontal installation type 3E is correctly aligned,
if a straight--edge placed axially on both coupling halves is the
same distance from each shaft at all points around the circum-
ference. In addition, the distance between the two coupling hal-
ves must remain the same all around the circumference. Use
a feeler gauge, a wedge gauge or a dial micrometer to verify
(see fig. 6).
straight edge
straight edge
gauge
Fig.6: Coupling alignment, using gauge and straight edge
Special instructions see appendix
5.4
Connecting the Piping
Never use the pump itself as an anchorage
point for the piping.
Suction lift lines shall be laid with a rising slope towards the
pump and suction head lines with a downward slope towards
the pump. The pipelines shall be anchored in close proximity to
the pump and connected without transmitting any stresses or
strains. Their weight must not exert any load on the pump. With
short pipelines, the nominal diameters shall 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 nozz-
les, e.g. caused by:
Weight of the water--filled pipes, changes in the length of pipes
owing to temperature fluctuations, reaction forces due to unbra-
ced expansion joints must not exceed the values stated in the
installation plan.
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!
The flange covers on the pump suction and discharge nozzles
must be removed prior to installation in the piping.
5.4.1
Auxiliary Connections
The locations of the auxiliary connections (sealing liquid, flus-
hing liquid, etc.) are indicated on the installation plan or piping
layout (see appendix).
Please refer to the appendix for detailed assembly instructions.
These connections are required for proper
functioning of the pump and are therefore of
vital importance!
5.4.2
Coupling Guard
In compliance with the accident prevention regulations
the pump must not be operated without a coupling
guard. If the customer specifically requests not to include a cou-
pling guard in our delivery, then the operator must supply one.
5.5
Final Check
Re--check the alignment as described in section 5.3.2.
It must be easy to rotate the shaft by hand at the coupling.
Check the integrity and proper functioning of all
connections.