Eaton Airflex WCB2 Series Installation, Operation And Maintenance Manual
Tensioner/brake
Hide thumbs
Also See for Airflex WCB2 Series:
Related Manuals for Eaton Airflex WCB2 Series
Summary of Contents for Eaton Airflex WCB2 Series
- Page 1 WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual Airflex Product Line 204182 ®...
- Page 2 Eaton warranty. For optimum performance, contact Airflex: In the U.S.A. and Canada: (800) 233-5926 Outside the U.S.A. and Canada: (216) 281-2211 Internet: www.eaton.com/airflex EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 3: Table Of Contents
Friction Disc Kits (Standard) Friction Disc Kits (Corrosion Resistant) Cylinder Seal Kits Wear Plate Kits for Mounting Flange and Pressure Plate Wear Plate Kits for Reaction Plate REVISION PAGE EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 4 Wear Measurements X, Y & Z Gaps – Inches (mm) Wear Plate Fastener Torque: ft.lb. (Nm) Inlet and Outlet Water Port Sizes Wear Limits for WCB2 Components inches (mm) EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 5: Cutaway Drawings 5
Stud Cylinder Piston Friction Disc S/A Seal (Inner) Release Spring Clamp Tube Seal (Outer) Pipe Plug Pressure Plate S/A Gear (Not Included in P/L) Flat Washer Wear Spacer EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 6 WCB2 Tensioner/Brake Figure 2 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 7: Introduction
The model number identifies the number of discs and the nominal friction disc assemblies diameter. For example, 324WCB2 indicates three 24" diameter discs. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 8: Installation
Class FN2S interference fit splined bore of the friction disc assemblies. for inch shafting and ISO System S7h6 for metric See Figure 3. shafting. Contact Airflex Application Engineering for specific recommendations. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 9: Mounting
5/8-11NC-2Gr. 8 5/8-11NC-2Gr. 8 5/8-11NC-2Gr. 8 1-8NC Gr. 8 1 3/8-6NC Gr. 5 Screw Quantity Torque, Lubed 70 (95) 150 (203) 150 (203) 150 (203) 660 (895) 1100 (1490) EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 10: Air System
Pipe ends should be reamed after cutting to eliminate possible restrictions. For optimum air system response, a minimum number of bends and elbows should be used. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 11: Coolant Pressure, Psi (Bar)
5 - 6.63HP/GPM, (1.31kw/(dm³/min)) Note : Minimum Flow Rates listed above are to achieve thermal rating. Lower flow rates are acceptable provided that they satisfy peak thermal requirement EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 12 Note: Torque values are not listed as using tightening torques for the need for frequent cleaning of fine mesh filters. NPT style of connections is not a recommended process for field EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 13: Maximum Outlet Coolant Temperature
2.4.11 Open Loop Systems Recommended pH value of the water/ethylene glycol mixture: 7.5 to 10.5. For efficient operation of the WCB2 tensioner/brake assembly, an adequate supply of filtered fresh water EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 14: Operation
Section 4.7, Maintenance. systems using ethylene glycol antifreeze is 0 (-18 C). For open loop systems using water as a coolant, the minimum ambient temperature is F (7 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 15 Check for low flow and/or leakage at the O.D. during this test. and I.D. seal areas. Warning Ensure that the machinery will remain in a safe position prior to releasing the WCB2 tensioner/ brake assembly. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 16: Maintenance
"X" dimension has been reached and the (19) and the pressure plate (13) to determine if friction discs or "Y" or "Z" dimension(s) are NOT worn adjustment may be required. to their limits. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 17 It may be necessary to push the pressure plate and reaction plate(s) away from the mounting flange so that the release springs can be moved to gain access to the wear spacers. Figure 9 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 18: Wear Measurements X, Y & Z Gaps - Inches (Mm)
4.2.2.7 Restore any piping or covers removed prior to from the stud. Repeat for the remaining spacers in operating the WCB2 tensioner/brake assembly. the set that is to be removed (one spacer from each stud location). EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 19: Disassembly Procedures
4.3.12 For wear plate replacement refer to Section 4.6. Washer Friction Disc Core Anvil Pin 4.3.13 For seal replacement refer to Section 4.7 Figure 12 4.3.14 Assemble the WCB2 tensioner/brake assembly per Section 4.9. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 20: Friction Material Replacment (18Wcb2, Thru 48Wcb2)
Install several screws loosely at several of the outer Use appropriate safety equipment and dust collection most screw hole locations to properly align systems when machining friction material. the friction discs or blocks. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 21: Wear Plate Replacement
See Figure 15. A if necessary. second bead of sealant .060"-.090" (1,5 mm - 2,3 mm) in size should then be applied in the shallow groove. See Figure 16. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 22: Wear Plate Fastener Torque: Ft.lb. (Nm)
8WCB2 #10-24NC 5 (7) 14WCB2 1/4-20NC2 12 (16) 18WCB2 5/16-18NC 21 (28) 24WCB2 5/16-18NC 21 (28) 36WCB2 3/8-16NC2 40 (54) 48WCB2 3/8-16NC2 40 (54) EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 23: Cylinder Seal Replacement
36WCB2 and 48WCB2 tensioner/brake assemblies and 45 psig (3.1 bar) for 8WCB2 thru 24WCB2 tensioner/brake assemblies measured at the inlet. Maintain this pressure for a minimum of 30 minutes. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 24 That type of seal has been superseded by the use of TWO seals that fit 4.7.14 Using a lifting strap, slide the cylinder/piston back-to-back as shown in Figure 20. assembly onto the studs. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 25: Bushing Replacement
Primer Grade "T" contains harmful ® vapors. Refer to the product label and follow proper safety precautions. Figure 21 4.8.1 Disassemble the WCB2 tensioner/brake assembly per Section 4.3. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 26: Corrosion Protection
4.9.13 Carefully place the piston onto the cylinder with the chamfered edge of the piston facing downward, taking special care to avoid damaging the seal lips. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 27: Ordering Information/Technical Assistance
3.06 (77,72) 14 and 18 WCB2 3.16 (80,26) 24 and 36 WCB2 3.88 (98,55) 24 and 36 WCB2 4.00 (101,6) 48 WCB2 4.85 (123,19) 48 WCB2 5.00 (127,6) EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 28: Parts
308388-01 Reaction plate Sub Assembly* 513300-02 513300-02 Piston 512302 512302 512302 Release Spring 307629 307629 307629 * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.2 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 29 513317 513317 513317 513317 Release Spring 416751-02 416751-02 416751-02 416751-02 Pipe Plug 000077X0021 000077X0021 000077X0021 000077X0021 * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.2 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 30 514745 514745 514745 514745 Release Spring 416751-04 416751-04 416751-04 416751-04 Pipe Plug 000077X0021 000077X0021 000077X0021 000077X0021 * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.2 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 31: Parts (Corrosion Resistant)
416690 Inner Support 413105 413107 414032-01 416618 Ring Outer Support 413106 413108 414033-01 416673 Ring Washer 000067X0036 42 000067X0043 60 Inner O-ring 000073X0410 1 Outer O-ring 000073X0411 1 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 32 Reaction plate Sub Assembly* Piston Release Spring * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.4 Contact the factory for part information if not shown. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 33 Release Spring 416751-02 Pipe Plug 000077X0021 Grease 000153X1182 * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.4 Contact the factory for part information if not shown. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 34 Release Spring 416751-04 Pipe Plug 000077X0021 Grease 000153X1182 * Individual parts breakdown for standard WCB2 sub-assemblies are in section 6.4 Contact the factory for part information if not shown. EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 35 Part No. Part No. Friction Disc 513657 508725 513658 514286 Friction Disc Core 514145 514140 514139 515201 Screw 000422X0008 48 000421X0407 36 000421X0407 144 000421X0407 224 Rivet Washer EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 36 WCB2 Tensioner/Brake Figure 22 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
- Page 37 WCB2 Tensioner/Brake Figure 23 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016...
-
Page 38: Kits
Part No. 514286 308398 000294X0407 000153X1168 204097 Quantity 348WCB2 108058BB Part No. 514286 308398 000294X0407 000153X1168 204097 Quantity 448WCB2 108058BC Part No. 514286 308398 000294X0407 000153X1168 204097 Quantity EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 39: Friction Disc Kits (Corrosion Resistant)
Quantity 24WCB2 107727C Part No. 000402X0023 000402X0024 000153X1239 204067 Quantity 36WCB2 107662C Part No. 000402X0005 000402X0006 000153X1239 204067 Quantity 48WCB2 108055C Part No. 000402X0042 000402X0044 000153X1239 204067 Quantity EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 40: Wear Plate Kits For Mounting Flange And Pressure Plate
Nut (5) Plate (3) Ring (50) Ring (51) O-Ring (I) O-Ring (O) #596 Sheet 48WCB2 108055A Part No. 000153X1224 000153X0844 416690 416618 416673 000073X0410 000073X0411 000153X1071 204063 Quantity EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... -
Page 41: Revision Page
Corrected 48WCB2 kit part number in section 7.4 Deleted PTFE Gasket part number columns & added Loctite #596 column in section 7.5 Corrected 48WCB2 kit part number in section 7.5 EATON WCB11070 WCB2 Tensioner/Brake Installation, Operation and Maintenance Manual E-CLCL-II016-E December 2016... - Page 42 Airflex Division 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 © 2016 Eaton All Rights Reserved Printed in USA Document No. E-CLCL-II016-E December 2016...