Eaton Airflex WCB2 Installation, Operation And Maintenance Manual
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Eaton Airflex WCB2 Installation, Operation And Maintenance Manual

Tensioner / brake
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WCB 11070
Installation, Operation
and Maintenance of
the Airflex
Tensioner / Brake
VP 4.2 Format
®
WCB2
Forward this manual to the person responsible
for Installation, Operation and Maintenance of
the product described herein. Without access
to this information, faulty Installation, Operation
or Maintenance may result in personal injury or
equipment damage.
Use Only Genuine Airflex
The Airflex Division of Eaton Corporation recommends the use
of genuine Airflex replacement parts. The use of non-genuine
Airflex replacement parts could result in substandard product
performance, and may void your Eaton w arranty. For optimum
performance, contact Airflex:
In the U.S.A. and Canada: (800) 233-5926
Local: (216) 281-2211
Fax: (216) 634-8341
Internet: www.airflex.com
April, 2002
(Revised August 2003)
204182
© Copyright Eaton Corp., 2003. All rights reserved.
Warning
Caution:
®
Replacement Parts

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Summary of Contents for Eaton Airflex WCB2

  • Page 1 The Airflex Division of Eaton Corporation recommends the use of genuine Airflex replacement parts. The use of non-genuine Airflex replacement parts could result in substandard product performance, and may void your Eaton w arranty. For optimum performance, contact Airflex: In the U.S.A. and Canada: (800) 233-5926...

  • Page 2: Table Of Contents

    4.10 Corrosion Protection ......26 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format...
  • Page 3 Wear Measurement X,Y & Z Gaps Wear Plate Fastener Torque Inlet and Outlet Port Sizes Wear Limits for WCB2 Components (Ref.Figs 1 & 2 and Section 4.0) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 4: Cutaway Drawings

    Friction Disc Core 23 Polypak Seal (Outer) 57 Flat Head Screw Rivet 28 Gear (Not included in P/L) 105 Pipe Plug Washer © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 5 Figure 2 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 6: Introduction

    The model num- ber identifies the number of discs and the nomi- nal disc diameter. For example, 324WCB2 indicates three 24" diameter discs. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 7: Installation

    36WCB2 0.010 (0.25) 0.025 (0.64) 48WCB2 * Perpendicularity measured near the outside diame ter of the mounting flange. Correct Incorrect Figure 3 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 8: Mounting

    Gr. 8 Gr. 8 Gr. 5 Mounting Screw Quantity Torque, Lubed 70 (95) 150 (203) 150 (203) 150 (203) 660 (895) 1100 (1490) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 9: Air System

    Thread Size 3/8"-18 NPT 8WCB2 1/2"-14 NPT 14WCB2 1/2"-14 NPT 18WCB2 1/2"-14 NPT 24WCB2 3/4"-14 NPT 36WCB2 Figure 4 1"-11.5 NPT 48WCB2 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 10: Coolant System

    Maximum allowable water pressure diameter should be avoided to prevent is dependent upon tensioner size excessive line pressures. and specific application requirements. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 11 2 - Flow rate is based on requirement of 1 U.S. GPM per 10 HP (1.97 kW per dm3/min) thermal dissipation. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 12 7.5. to 10.5. For efficient operation of the WCB2, an adequate supply of filtered fresh water is required. (See 2.4.1 - 2.4.2). Excessive water © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 13: Operation

    (8) to burst and result in extensive damage to the tensioner and/or cause personal injury. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 14: Pressure And Speed Limits

    2100 % by Volume 1600 18WCSB 100/0 150 (66) 1200 24WCSB 70/30 165 (74) 36WCSB 60/40 165 (74) 48WCSB 50/50 170 (77) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 15: Maintenance

    "Y" or "Z" do so could result in serious injury or dimension(s) are NOT worn to their limits. possibly death. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 16: Wear Adjustment

    © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 17 Figure 8 Figure 7 Figure 9 Figure 10 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 18 2.75 2.31 0.57 3.37 2.95 0.15 0.30 0.72 3.37 2.95 0.45 0.87 3.37 2.95 3.37 2.95 0.60 1.02 3.37 2.95 3.37 2.95 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 19: Disassembly Procedures

    Ensure that the machinery is and will Assemble the tensioner per Section 4.9. 4.3.14 remain in a safe position prior to loosening fasteners or removing the tensioner. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 20: Friction Material Replacement (Sizes 8 And 14)

    Use of material not of Airflex origin may result in un-predictable Friction Disc performance. Anvil Core 4.5.2 Disassemble the tensioner per Section 4.3. Figure 13 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 21: Wear Plate Replacement

    Refer to the product label for onto the face of the support nubs. proper safety precautions. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 22 Figure 15. A second bead of sealant .060"-.090" (1,5mm - 2,3mm) in size should then be applied in the shallow groove. See Figure 16. Figure 16 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 23 See Figure 18 for machining specifications. Clean all wear surfaces after machining to remove any residual contaminates. Figure 17 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 24: Cylinder Seal Replacement

    (33) will be free to move out of Position the cylinder on a flat level surface so 4.7.12 the cylinder bore. that the pressure cavity faces upward. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 25: Bushing Replacement

    Allow the Loctite to cure for 15 minutes before moving the sub assembly. Assemble the tensioner per section 4.9, 4.8.6 as required. Figure 20 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 26: Assembly Procedures

    Re-install the tensioner per Section 2.0. 4.9.18 over the studs and clamp tubes. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)

  • Page 27: Corrosion Protection

    Loctite, Locquic, and Superflex are registered trade- marks of Loctite Corporation. Polypak is a registered trademark of Parker Hannifin Corporation MOLUB-ALLOY is a trademark of Castrol Industrial Lubricants. © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 28 18WCB2 1.668" (42,88) 4.000" (101,6) 3.88" (98,55) 24WCB2 2.065" (52,45) 4.000" (101,6) 3.88" (98,55) 36WCB2 2.375" (60,33) 5.000" (127,0) 4.85" (123,19) 48WCB2 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised June 2003)
  • Page 29 000153X1147 48 000153X1147 96 000153X1147 144 000153X1147 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 30 105 Pipe Plug 000077x0021 000077x0021 000077x0021 000077x0021 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 31 105 Pipe Plug 000077X0021 000077X0021 000077X0021 000077X0021 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 32 105 Pipe Plug 000077X0021 000077X0021 000077X0021 000077X0021 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 33 414033-01 (9) 416673 (10) 000153X0843 (120) Hex Head Screw (4a) 000073x0410 (1) Inner O-ring (I) 000073x0411 (1) Outer O-ring (O) © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 34 Friction Disc Core(9) 000294x0407 (144) 000294x0407 (224) Screw (57 000130x0086 (20) 000130x0085 (30) Rivet (10) 000153x1065 (20) 000153x1064 (30) Washer (11) © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 35 512302 512302 Release Spring 307629 307629 307629 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 36 Outer Support Ring Flat Head Screw 105 Pipe Plug * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 37 512500 512500 Release Spring 307696 307696 307696 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.1.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 38 Outer Support Ring Flat Head Screw 105 Pipe Plug * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 39 Outer Support Ring Flat Head Screw 105 Pipe Plug * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 40 000077x0021 N/A 412 ES Molub-Alloy Lubricant 000153x1182 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 41 N/A 412 ES Molub-Alloy Lubricant 000153x1182 000153x1182 * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 42 105 Pipe Plug N/A 412 ES Molub-Alloy Lubricant * - Individual parts breakdown for standard WCB2 subassemblies are in section 6.2.2 © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 43 414033-01 (9) outer support Ring (51) Hex Head Screw (4a) Inner O-ring (I) Outer O-ring (O) 203863-04 (12) 203866-01 Bushing (54) © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 44 Sub Assembly Part # 513658 (16) Friction Disc (8) 514139 (1) Friction Disc Core(9) 000294x0407 (144) Screw (57 Rivet (10) Washer (11) © Copyright Eaton Corp., 2003. All rights reserved. WCB 11070 - VP 4.2 Format April 2002 ( Revised August, 2003)
  • Page 45 8 & 14 WCB2 18, 24 & 36 WCB2 48 WCB2 Figure 21 © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised August, 2003)
  • Page 46 108058BB 000153x1168 (5) 000294x0407 (672) 514286 (48) 308398 (32) 204097 (1) 108058BC 000153x1168 (6) 000294x0407 (896) 514286 (64) 308398 (48) 204097 (1) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised August, 2003)
  • Page 47 000402x0024 (2) 204067 (1) 107662C 000153x1239 (1) 000402x0005 (2) 000402x0006 (2) 204067 (1) 108055C 000153x1239 (1) 000402x0042 (2) 000402x0044 (2) 204067 (1) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised August, 2003)
  • Page 48 (QTY) (QTY) (QTY) (QTY) (QTY) (QTY) 000073x0410 000073x0411 000153x1224 000153x0844 000153x1071 108055A 204063 (1) 416618 (10) 416673 (20) 416690 (2) (120) (120) © Copyright Eaton Corp., 2003. All rights reserved WCB 11070 VP 4.2 Format April 2002 (Revised August, 2003)
  • Page 49 P r o d u c t i s p r o p e r l y installed, properly maintained, oper- In no event shall Eaton be liable for ated under normal conditions and with special, incidental or consequential competent supervision.

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