Eaton Airflex WSB11206 Installation, Operation And Maintenance Manual
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Eaton Airflex WSB11206 Installation, Operation And Maintenance Manual

Wcsb tensioner/brake with orb coolant ports
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Summary of Contents for Eaton Airflex WSB11206

  • Page 2 Outside the U.S.A. and Canada: (216) 281-2211 NPT fittings, refer to manual WSB 11200 for the appropriate part lists or Internet: www.eaton.com/airflex contact the factory for additional information. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 3: Table Of Contents

    Friction Disc Kits (Standard Air Cooled) 7 .7 Friction Disc Kits (Corrosion Resistant) 7 .8 AC Friction Disc Kit (Crossion Resistant) REVISION PAGE EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 4: Cutaway Drawing

    Pipe Plug Stop Plate Outer Spring Sleeve Nut Pipe Plug * See Section 6.4 for sub-assembly illustrated part lists and component descriptions. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 5: Introduction

    WCSB tensioner / brake assembly can be ordered without the intermediate piston seal (114). EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 6: How It Works

    Modulation of the tensioner / brake assembly. air pressure then controls applied torque of WCSB tensioner / brake assembly . EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 7: Preparation

    Apply a light coat of anti-seizing compound to the shaft and key. Tap the key into the shaft keyway. Correct Incorrect Figure 2 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 8 146-171 (198-231) *Note: Increase the quanity of SAE coolant fittings by 4 for each Reaction Plate S/A (30) in the WCBD tensioner/brake assembly. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 9: Air System

    When applying operating pressure to only one of two ports on units with dual pressure pistons (33), the second piston pressure port must be open and EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 10: Coolant System

    2.4.3.1 Inspect the SAE fittings for damage and contamination. ® 2.4.3.2 Apply Molykote 55 O- ring lubricant to the O- ring on the SAE fitting. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 11 165 (74) 50 (28) 50/50 120 (49) 170 (77) 50 (28) * Provided that temperature rise is no greater than 50 F (28C) EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 12 Outlet manifold Outlet Centrifugal manifold pump )( )( )( )( )( 12.5% 25% 25% 25% 12.5% Strainer Level switch Reservoir Figure 5 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 13: Operation

    Minimum ambient temperature for closed loop systems using ethylene glycol antifreeze is 0 (-18 C).For open loop systems using water, the minimum temperature is 45 F (7 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 14: Wear-In Procedures

    WCSB brake components. tensioner / brake assembly components. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 15: Periodic Maintenance

    High heat generated during dynamic braking can result in damage or failure of the WCSB tensioner / brake assembly's components. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 16: Maintenance

    Engagement of the brake during testing could develop surge pressures exceeding the maximum allowable within the coolant cavities resulting in possible damage to the seals. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 17: Wear Limits

    Be certain to inspect the brake 36WCSB periodically to evaluate for wear, and adjust as necessary. Figure 6 Wear surface Step Mounted surface Figure 6A 48WCSB EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 18 WCSB tensioner / brake assembly while performing inspections. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 19 (118) and disc (119) may be required. Remove the WCSB tensioner / brake assembly from service and evaluate the condition of those components, using Table 9 as a reference. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 20 / brake assembly from properly engaging tensioner / brake assembly's components during or releasing. re-assembly, and could cause the brake to not function properly. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 21: Disassembly Procedures

    Disconnect the air supply lines and water lines from the WCSB tensioner / brake assembly. 4.3.2 Remove the fasteners that secure the brake and support bracket to the mounting structure. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 22: Friction Material Replacement

    One at a time, install and torque each screw immediately after ® application of Loctite , then proceed to the next screw. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 23: Wc Wear Plate Replacement

    Plate(s) (31) will be referred to as IRON in the following paragraphs. Refer to Figure 22 for item number references shown in parenthesis (#). EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 24 0.030" - 0.060" (0,7 mm - 1,5 mm) in size must be applied to the bottom of the deep groove in order to hold the O-ring in place. See Figure 12. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 25 Table 2. Caution ® Allow the Loctite Superflex #596 Sealant 24 hours to completely cure before performing the following leak test procedure EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 26: Cylinder Seal Replacement

    Repeat procedure from section in front of 4.5.1. 4.5.16 Follow steps in Section 4.9 to reassemble the WCSB tensioner / brake assembly. Figure 17 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 27: Spring Replacement

    If air pressure does not drop below 100 psig (6.9 bar) within 10 minutes, the seals have been properly installed. Spring arrangement for 24WCSB Figure 18 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 28 Improper assembly procedures may result in uneven contact of the friction material with the disc (119), resulting in low stopping torque. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 29: Assembly Procedures

    Primer "T" contains harmful vapors. Refer to Model Quanitity Required the product label for proper safety precautions 324WCSB 424WCSB 336WCSB 436WCSB 348WCSB 448WCSB EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 30 Figure 20 for 48WCSB tensioner / brake assemblies. If applicable, position the spring retainers (53) on top of the springs to hold the springs into position. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 31: Ordering Information / Technical Assistance

    4.9.28 Prior to installation, air test the cylinder seals for leakage per Section 4.6.9. 4.9.29 Install the WCSB tensioner per Section 2.0. EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 32: Parts

    000294X0405 000294X0405 Pipe Plug 000076X0006 000076X0006 000076X0006 Clamp Tube 308206-07 308206-07 308206-07 Stop Plate 308349 308349 308349 Pipe Plug 000076X0006 000076X0006 000076X0006 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 33: Basic Assemblies 36Wcsb Parts

    000294X0405 000294X0405 Pipe Plug 000076X0007 000076X0007 000076X0007 Clamp Tube 308246-06 308246-06 308246-06 Stop Plate 308312 308312 308312 Pipe Plug 000076X0006 000076X0006 000076X0006 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 34: Basic Assemblies 48Wcsb Parts

    000294X0405 000294X0405 Pipe Plug 000076X0005 000076X0005 000076X0005 Clamp Tube 308440-02 308440-02 308440-02 Stop Plate 308314 308314 308314 Pipe Plug 000076X0006 000076X0006 000076X0006 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 35: Sub-Assemblies (Standard)

    Description Part Number Part Number Part Number Friction Disc 514711 514707 514708 Friction Disc Core 510745 513667 514287 Screw 000421X0407 000294X0407 000042X0407 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 36 WCSB tensioner / brake with ORB coolant ports 117a Reaction plate S/A (30) Friction disc S/A (118) Pressure plate S/A (116) End plate S/A (117) Figure 22 EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 37: Kits

    204183 Quantity 36WCSB 107662CD Part No. 000402X0005 000402X0040 000402X0006 000153X1239 204183 Quantity 48WCSB 108055CD Part No. 000402X0042 000402X0043 000402X0044 000153X1239 204183 Quantity EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...

  • Page 38: Friction Disc Kits (Standard Water Cooled)

    36WCSB 108047C Part No. 513396 308313 000421X0407 000153X1168 000153X1182 204170 Quantity 48WCSB 108048C Part No. 416691 308315 000421X0407 000153X1168 000153X1182 204170 Quantity EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 39 WCSB tensioner / brake with ORB coolant ports REVISIONS Original Publication Date: August 2014 Revision Date Change EATON WSB11206 WCSB Tensioner / Brake with ORB Coolant Ports Installation, Operation and Maintenance Manual E-CLCL-II009-E August 2015...
  • Page 40 9919 Clinton Road 281 Fa Sai Road Cleveland, OH 44144-1077 Waigaoqiao Free Trade Zone Tel: 216-281-2211 Shanghai 200131 Fax: 216-281-3890 China Tel: (+8621) 5048-4811 Fax: (+8621) 5048-4911 © 2015 Eaton All Rights Reserved Printed in USA Document No. E-CLCL -II009-E August 2015...

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