Nexen AIR CHAMP FWCB User Manual
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Nexen AIR CHAMP FWCB User Manual

Pilot, coupling, and sheave mount clutch-brake
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DIST. AUTORIZADO
PILOT, COUPLING, AND SHEAVE MOUNT CLUTCH-BRAKE
MODELS FWCB, LWCB, MWCB, AND HWCB
®
MEX (55) 53 63 23 31
MTY (81) 83 54 10 18
QRO (442) 1 95 72 60
ventas@industrialmagza.com
(i)
FORM NO. L-20016-U-0305

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  • Page 1 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO PILOT, COUPLING, AND SHEAVE MOUNT CLUTCH-BRAKE MODELS FWCB, LWCB, MWCB, AND HWCB FORM NO. L-20016-U-0305...
  • Page 2 DIST. AUTORIZADO 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

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Table of Contents INTRODUCTION --------------------------------------------------------------------------------------------------------- 1 INSTALLATION ------------------------------------------------------------------------------------------------------------ 1 AIR CONNECTIONS ---------------------------------------------------------------------------------------------------- 3 LUBRICATION ------------------------------------------------------------------------------------------------------------- 4 TROUBLESHOOTING -------------------------------------------------------------------------------------------------- 5 DISASSEMBLY—PILOT, COUPLING, AND SHEAVE MOUNT --------------------------------------------- 6 PARTS REPLACEMENT—PILOT, COUPLING, AND SHEAVE MOUNT --------------------------------- 8 REASSEMBLY—PILOT, COUPLING, AND SHEAVE MOUNT --------------------------------------------- 13...

  • 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 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 COUPLING MOUNT CLUTCH-BRAKE QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Determine the parallel misalignment of shafts to be coupled by placing a straight edge across the shafts and measuring the Clutch-Brake Driven maximum offset at various points around the periphery of the...

  • Page 6: Air Connections

    NOTE For quick response, Nexen recommends a quick exhaust valve and short air lines between the Control Valves and the clutch/ brake. Align the inlet ports to a down position to allow condensation to drain out of the air chambers.

  • Page 7: Lubrication

    LUBRICATOR DRIP RATE SETTINGS NOTE These instructions and settings are for Nexen supplied lubricators only. They do not apply to lubricators not supplied by Nexen. Connect the air line to the unit. Close and disconnect the air line from the unit.

  • Page 8: Troubleshooting

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO TROUBLESHOOTING PROBLEM PROBABLE CAUSE SOLUTION Air not getting to the Clutch-Brake due to a control Check for control valve malfunction and replace valve malfunction.

  • Page 9: Disassembly-Pilot, Coupling, And Sheave Mount

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO DISASSEMBLY—PILOT, COUPLING, AND SHEAVE MOUNT NOTE The following sections are arranged by model. Verify that you are in the correct section for your model. FWCB Loosen the Set Screw (Item 47) and remove the Hub Collar (Item 46) from the Clutch-Brake (See Figure 9).
  • Page 10 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 LWCB AND MWCB QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Loosen the Set Screws (Items 28 and 29); then, remove the Locking Nut (Item 26) and the Brake Friction Disc (Item 2) (Item 1) (See Figure 13).

  • Page 11: Parts Replacement-Pilot, Coupling, And Sheave Mount

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO PARTS REPLACEMENT—PILOT, COUPLING, AND SHEAVE MOUNT NOTE The following sections are arranged by model. Verify that you are in the correct section for your model. FWCB WARNING Special attention should be exercised when working with...
  • Page 12 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 10. Fully support the Air Chamber (Item 8) and press the Clutch QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Friction Disc (Item 9) out of the Air Chamber (See Figure 19). NOTE If the Ball Bearing (Item 14) comes out of the Air Chamber (Item 8), use a bearing puller to remove it from the Clutch...
  • Page 13 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 LWCB AND MWCB QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO WARNING Special attention should be exercised when working with retaining rings. Always wear safety goggles when working 24/25 with spring or tension loaded fasteners or devices.
  • Page 14 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 NOTE QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO If the Ball Bearing (Item 14) comes out of the Air Chamber (Item 8), use a bearing puller to remove it from the Clutch Friction Disc (Item 9).
  • Page 15 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 NOTE QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Do not reuse the old ball bearings. Applying force on the inner race of a ball bearing to remove a ball bearing held by the outer race causes damage to the bearing.

  • Page 16: Reassembly-Pilot, Coupling, And Sheave Mount

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 15. Remove the old Flat Head Machine Screws (Item 24) and QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO Friction Facing (Item 4) from the Piston (Item 3) (See Figure 28).
  • Page 17 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 Lubricate the new O-ring Seals (Items 19 and 21) with fresh QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO o-ring lubricant; then, install the new O-rings Seals onto the Brake and Clutch Assemblies (See Figure 30).

  • Page 18: Replacement Parts

    FIGURE 36 REPLACEMENT PARTS The item or balloon number for all Nexen products is used for part identification on all product parts lists, product price lists, unit assembly drawings, bills of materials, and instruction manuals. When ordering replacement parts, specify model designation, item number, part description, and quantity. Purchase replacement parts through your local Nexen Distributor.

  • Page 19: Parts List

    ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO PARTS LIST FWCB—SHEAVE MOUNT FIGURE 37 ITEM DESCRIPTION ITEM DESCRIPTION O-ring Seal Friction Disc O-ring Seal Piston Slotted Spring Pin Friction Facing Flat Head Machine Screw Shoulder Bolt...
  • Page 20 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 FWCB—PILOT AND COUPLING MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 38 ITEM DESCRIPTION ITEM DESCRIPTION O-ring Seal Friction Disc Slotted Spring Pin Piston Flat Head Machine Screw Friction Facing Locking Nut...
  • Page 21 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 LWCB—SHEAVE MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 39 ITEM DESCRIPTION ITEM DESCRIPTION Retaining Ring (Int.) Friction Disc O-ring Seal O-ring Seal Piston O-ring Seal Friction Facing O-ring Seal...
  • Page 22 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 LWCB—PILOT AND COUPLING MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 40 ITEM DESCRIPTION ITEM DESCRIPTION O-ring Seal O-ring Seal Friction Disc O-ring Seal Piston O-ring Seal Friction Facing...
  • Page 23 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 MWCB—SHEAVE MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 41 ITEM DESCRIPTION ITEM DESCRIPTION Retaining Ring (Int.) Friction Disc O-ring Seal Piston O-ring Seal Friction Facing O-ring Seal Shoulder Bolt...
  • Page 24 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 MWCB—PILOT AND COUPLING MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 42 ITEM DESCRIPTION ITEM DESCRIPTION O-ring Seal Friction Disc O-ring Seal Piston O-ring Seal Friction Facing O-ring Seal Shoulder Bolt...
  • Page 25 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 HWCB—SHEAVE MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 43 ITEM DESCRIPTION ITEM DESCRIPTION Piston O-ring Seal Friction Facing O-ring Seal Shoulder Bolt O-ring Seal Compression Spring O-ring Seal Piston Air Chamber...
  • Page 26 ® MEX (55) 53 63 23 31 MTY (81) 83 54 10 18 HWCB—PILOT AND COUPLING MOUNT QRO (442) 1 95 72 60 ventas@industrialmagza.com DIST. AUTORIZADO FIGURE 44 ITEM DESCRIPTION ITEM DESCRIPTION Piston O-ring Seal Friction Facing O-ring Seal Shoulder Bolt O-ring Seal Compression Spring Slotted Spring Pin...

  • Page 27: Warranty

    Buyer shall be obligated to pay or which Buyer may incur based upon, related to or arising out of its contracts with its customers or other third parties. In no event shall Nexen be liable for any amount of damages in excess of amounts paid by Buyer for Products or services as to which a breach of contract has been determined to exist.

This manual is also suitable for:

Air champ lwcbAir champ mwcbAir champ hwcb

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