Bell & Gossett P81673 REV I Series 1510 - Manual (Page 22)

5. Loosely install the other half of the element onto the hubs.
6. Install capscrews on the high speed rings.
If the capscrews and the holes in the elements do not line up properly due to hub
misalignment, slightly rotate the shafts.
7. Torque both hub setscrews to the values shown in the Fastener torque values and
maximum RPM for Rexnord Omega couplings table.
For QD or Taperlock hubs, follow the instructions supplied with the bushings.
1
2
1. Element
2. Hub
Figure 6: Rexnord Omega coupling – typical spacer
1
2
3
4
OUT IN
1. Setscrew
2. Element
3. Capscrew
4. BTS hub
Figure 7: Rexnord Omega coupling – typical non-spacer
• Omega and Rexnord are registered trademarks of Rexnord Industries, LLC
Maximum allowable misalignment for Rexnord Omega couplings
Table 2: Allowable gap in inches (centimeters)
Coupling size 1° angular
misalignment
2° angular
misalignment
3° angular
misalignment
4° angular
misalignment
E2 0.032 (0.081) 0.065 (0.165) 0.097 (0.247) 0.129 (0.328)
E3 0.040 (0.102) 0.081 (0.206) 0.121 (0.307) 0.162 (0.411)
E4 0.045 (0.114) 0.091 (0.231) 0.136 (0.345) 0.181 (0.460)
E5 0.055 (0.140) 0.109 (0.277) 0.164 (0.417) 0.218 (0.554)
E10 0.064 (0.163) 0.127 (0.323) 0.191 (0.485) 0.218 (0.554)
Installation
20 Series 1510 Installation, Operation, and Maintenance Manual