5 Installation at Site
35 of 116
CHTRa
5.11 Checking the coupling alignment
DANGER
Inadmissible temperatures at the coupling or bearings due to misalignment of the
coupling
Explosion hazard!
Risk of burns!
▷
Make sure that the coupling is correctly aligned at all times.
5.11.1 Checking the coupling hubs for run-out
CAUTION
Incorrect measurement results and damage to the alignment device
Coupling misalignment!
Damage to the pump set!
▷
Never turn the coupling by means of the alignment device.
5.11.1.1 Coupling hubs with outside step
Fig. 16:
Run-out check with outside step (example)
Check each coupling hub for run-out using a dial gauge.
The run-out must not exceed 0.03 mm; if it is exceeded, contact KSB.
5.11.2 Checking the coupling alignment with a dial gauge
Perform the alignment with dial gauges in accordance with the manufacturer’s
product literature.
B
A
Fig. 17:
Checking the alignment of a coupling with spacer (example)
A
Coupling hub used as a reference
point for alignment
B
Coupling hub to be aligned
