KSB ILN, Operating Manual

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5 Installation at Site
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ILN / ILNC / ILNR
5211.8/08-EN
5.5 Checking the coupling alignment
DANGER
Risk of coupling misalignment resulting in a potentially explosive atmosphere
Explosion hazard!
Risk of burns!
▷ Install non-electric devices only. The zone classification and temperature class of
the coupling must correspond to the zone classification and temperature class
of the pump as a minimum.
▷ Observe the manufacturer's coupling alignment instructions.
1. Align the coupling with a spirit level.
If necessary, compensate any differences in height with shims. The radial and
axial deviation between the two coupling halves must not exceed 0.2 mm.
Observe the distance between the coupling halves given in the table.
Table 8: Distance between coupling halves
Outside diameter of the
coupling
[mm]
Distance between coupling
halves
[mm]
Tolerance
[mm]
110 3 +/- 1
125 3 +/- 1
140 3 +/- 1
160 4 +/- 2
180 4 +/- 2
200 4 +/- 2
225 4 +/- 2
250 5,5 +/- 2,5
280 5,5 +/- 2,5
Make sure that the coupling is correctly aligned at all times.
If the motor was previously removed, observe the following for re-mounting it:
1. The surfaces of the motor and the support flange at the motor bracket have to
be spotlessly clean and smooth.
2. Check the distance between the coupling halves.
3. Rotate the coupling by hand and check the alignment.
5.6 Enclosure/insulation
WARNING
Volute casing and bearing bracket lantern take on the same temperature as the
fluid handled.
Risk of burns!
▷ Insulate the volute casing.
▷ Fit protective guard.
CAUTION
Heat build-up in the bearing bracket
Damage to the bearing!
▷ Never insulate the bearing bracket, bearing bracket lantern and casing cover.