Nexen Air Champ WCB120 User Manual
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Nexen Air Champ WCB120 User Manual

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Water Cooled Brakes
Series WCB120 and WCB130
(i)
FORM NO. L-20162-B-0601

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Summary of Contents for Nexen Air Champ WCB120

  • Page 1 Water Cooled Brakes Series WCB120 and WCB130 FORM NO. L-20162-B-0601...
  • Page 2 In accordance with Nexen’s established policy of constant product improvement, the specifications contained in this manual are subject to change without notice. Technical data listed in this manual are based on the latest information available at the time of printing and are also subject to change without notice.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction ---------------------------------------------------------------------------------------------------------------------------------------- 1 Installation ---------------------------------------------------------------------------------------------------------------------------------------- 1 Air Connections --------------------------------------------------------------------------------------------------------------------------------- 3 Lubrication ----------------------------------------------------------------------------------------------------------------------------------------- 4 Cooling Water Connections --------------------------------------------------------------------------------------------------------------- 4 Troubleshooting --------------------------------------------------------------------------------------------------------------------------------- 5 Parts Replacement ---------------------------------------------------------------------------------------------------------------------------- 6 Replacement Parts ---------------------------------------------------------------------------------------------------------------------------- 8 Parts List ------------------------------------------------------------------------------------------------------------------------------------------- 8 Warranties ----------------------------------------------------------------------------------------------------------------------------------------- 9 (iii)

  • Page 4: Introduction

    Accordingly, anyone who uses a procedure that is not recommended by Nexen must first satisfy themselves that neither their safety or the safety of the product will be jeopardized by the service method selected.
  • Page 5 MACHINE PREPARATION Drill mounting holes in machine surface (See Figs. 3 & 4 for mounting hole pattern). CAUTION Machine shaft must be perpendicular to mounting surface to within 0.002" [0.05mm] and centered within mounting bolt pattern within 0.004" [0.10 mm]. 14.96"...

  • Page 6: Air Connections

    Your local Horton distributor carries filters, regulators, and lubri- WCB120 WCB130 Use Piston cators specifically designed to operate with Nexen prod- ucts. 350 ft. lbs. 1042 ft. lbs. “L” + “S” 233 ft. lbs.

  • Page 7: Lubrication

    Locate lubricator above and within ten feet of the WCB WCB Brake’s air chamber is with an air line lubricator. Brake. Available from Nexen, the lubricator injects oil into the pressurized air, forcing a constant oil mist into the air For WCB Brakes that are cycled infrequently, apply two chamber.

  • Page 8: Troubleshooting

    TROUBLESHOOTING SYMPTOM PROBABLE CAUSE REMEDY Failure to Engage Air not getting to WCB Air pressure too low- Check for control valve malfunction. Air leak in WCB Defective or broken O-rings- Replace O-ring seals. Friction Disc binding on Hub Lack of lubrication on Hub- Hub must be lubricated.

  • Page 9: Parts Replacement

    PARTS REPLACEMENT FRICTION DISC 1. Remove four Socket Head Cap Screws (Item 24) (See Fig. 10) Remove Socket Head Cap Screws (Item 24). 2. Separate Cylinder Assembly from Water Jacket Flange (Item 22) (See Fig. 11). 3. Slide Friction Disc (Item 17) off Hub (Item 16) (See Fig.
  • Page 10 6. Install Large and Small Pistons (Items 4 & 5) back NOTE: Inspect Springs (Item 14) for signs of into Cylinder Assembly. fatigue and replace Springs if required. 7. Secure Pressure Water Jacket (Item 10) to Cylinder 8. Tighten Shoulder Screws (Item 15) to 9 ft. lbs. Assembly.

  • Page 11: Replacement Parts

    REPLACEMENT PARTS The item or balloon number for all Nexen products is used When ordering replacement parts, specify model for part identification on all product parts lists, product designation, item number, part description, and quantity. price lists, unit assembly drawings, bills of materials, and Purchase replacement parts through your local Nexen instruction manuals.

  • Page 12: Warranties

    Exclusive Remedy The exclusive remedy of the Buyer for any breach of the warranties set out above will be, at the sole discretion of Nexen, a repair or replacement with new, serviceably used or reconditioned Product, or issuance of credit in the amount of the purchase price paid to Nexen by the Buyer for the Products.

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Air champ wcb130

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