KSB Etaprime L, Installation & Operating Manual

Page: 28 / 76

5 Installation at Site
28 of 76
Etaprime L
The radial and axial deviation between the two coupling halves must not exceed
0.1 mm, during standstill as well as at operating temperature and under inlet
pressure.
5.
If alignment is correct, re-install the coupling guard and its footboard, if any.
Checking the coupling alignment with a laser tool
Coupling alignment may also be checked with a laser tool. Observe the
documentation provided by the manufacturer of the measuring instrument.
5.7 Aligning the pump and motor
After having installed the pump set and connected the piping, check the coupling
alignment and, if required, re-align the pump set (at the motor).
5.7.1 Motors with adjusting screw
1
3
2
Fig. 11:
Motor with adjusting screw
1 Hexagon head bolt 2 Adjusting screw
3 Locknut
ü
The coupling guard and its footboard, if any, have been removed.
1.
Check the coupling alignment.
2.
Unscrew the hexagon head bolts (1) at the motor and the locknuts (3) at the
baseplate.
3.
Turn the adjusting screws (2) by hand or by means of an open-end wrench until
the coupling alignment is correct and all motor feet rest squarely on the
baseplate.
4.
Re-tighten the hexagon head bolts (1) at the motor and the locknuts (3) at the
baseplate.
5.
Check proper functioning of coupling/shaft.
Check that coupling/shaft can easily be rotated by hand.
WARNING
Unprotected rotating coupling
Risk of injury by rotating shafts!
▷
Always operate the pump set with a coupling guard.
If the customer specifically requests not to include a coupling guard in
KSB
's
delivery, then the operator must supply one!
▷ Observe all relevant regulations for selecting a coupling guard.