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For special engineered couplings, Rexnord may provide an engineering drawing containing installation instructions that take precedence over this document. 1.3 Rexnord owns the copyright of this material. These Installation and Maintenance instructions may not be reproduced in whole or in part for competitive purposes.
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2.15 The coupling may only be used in accordance with the technical data provided in the Thomas disc coupling catalog. Customer modifications and alterations to the coupling are not permissible. 2.16 All spare parts for service or replacement must originate from or be approved by Rexnord. CP3-002 Rexnord 5555 S.
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(Page 3 of 13) Sizes 494-5258 Cap Screws Figure 2 – Rexnord Thomas XTSR52 Coupling Components Note: Coupling component numbers above correspond to the component numbers in the column headers of Tables 1 and 2. Figure 3 – Disc Pack Hardware Kit Consisting of above.
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® (Page 4 of 13) Sizes 494-5258 Table 1 – Rexnord Thomas XTSR52 Coupling Component Part Numbers Note: the circled numbers identified in the column headers below, correspond to the coupling component numbers in Figure 2. LH Hub + Cap ...
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(Page 5 of 13) Sizes 494-5258 Table 2 – Rexnord Thomas XTSR52 Coupling Component Part Numbers Note: the circled numbers identified in the column headers below, correspond to the coupling component numbers in Figures 2 and 3. Hardware Kit Bolts, Locknuts, and Overload Disc Pack ...
4.4 If used; assemble and tighten the set screw(s) using a calibrated torque wrench to the values shown in Table 3. CP3-002 Rexnord 5555 S. Moorland Rd., New Berlin, WI 53151-7953 September 2017 Phone: 262-796-4060 Fax: 262-796-4064 www.rexnord.com Supersedes 09-2016...
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6.10 With the hub expanded, install it quickly on the shaft to the “zero” set point. Continue to advance the hub up the taper to the desired axial position, as defined by Rexnord’s customer. Use the indicator as a guide only. A pre-set axial stop device can be helpful.
(X-Y) taken at opposite ends of the hub flange, and spacer flange as shown in Figure 10. Figure 8 Figure 9 Figure 10 CP3-002 Rexnord 5555 S. Moorland Rd., New Berlin, WI 53151-7953 September 2017 Phone: 262-796-4060 Fax: 262-796-4064 www.rexnord.com Supersedes 09-2016...
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Note: 1. Refer to Rexnord Bulletin 538-214 Coupling Alignment Fundamentals for more details regarding alignment methods and procedures. a. The Angular Misalignment value is the maximum difference between the measurements X and Y taken at opposite ends of the hub flanges, as shown in Figure 10.
8.12 Proceed to the other end of the coupling. Remove the support bolts, if used, and continue to support the center member. Repeat steps 8.5 through 8.10 to install the second disc pack. CP3-002 Rexnord 5555 S. Moorland Rd., New Berlin, WI 53151-7953 September 2017 Phone: 262-796-4060 Fax: 262-796-4064 www.rexnord.com Supersedes 09-2016...
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8.19 Continue spacer installation by following instructions 8.6 through 8.12. “C” Length Figure 12 - Short “C” Length Scalloped Center Member CP3-002 Rexnord 5555 S. Moorland Rd., New Berlin, WI 53151-7953 September 2017 Phone: 262-796-4060 Fax: 262-796-4064 www.rexnord.com Supersedes 09-2016...
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Note: Center member subassemblies with adapters have their locknuts factory tightened. On center member subassemblies where the spacer length is short and wrench access is limited, special wrenches are used to tighten the locknuts. Consult Rexnord for assistance in obtaining special wrenches.
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2. Bolts should be held from rotating while the locknuts are tightened to the values shown. Do not tighten the fastener by rotating the bolt head. Figure 13 Figure 14 CP3-002 Rexnord 5555 S. Moorland Rd., New Berlin, WI 53151-7953 September 2017 Phone: 262-796-4060 Fax: 262-796-4064 www.rexnord.com Supersedes 09-2016...
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