Nexen AIR CHAMP 625 User Manual

Flange mounted enclosed clutchbrakes
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Summary of Contents for Nexen AIR CHAMP 625

  • Page 1 (217) 352-9330 | Click HERE Find the Nexen Group 625 at our website:...
  • Page 2 AIR CHAMP PRODUCTS User Manual Flange Mounted Enclosed Clutch- Brakes Models 625, 875, 1125 and 1375 FORM NO. L-20150-W-0414 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 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 4: Table Of Contents

    TABLE OF CONTENTS General Specifications -------------------------------------------------------------------------------------------------------------------------- 4 General Safety Precautions ------------------------------------------------------------------------------------------------------------------- 4 Installation: Mounting on the Shaft End of a Motor ----------------------------------------------------------------------------------------- 5 Mounting Between a Gear Reducer and a Motor ------------------------------------------------------------------------- 6 Lubrication ------------------------------------------------------------------------------------------------------------------------------------------- 7 Air Connections ----------------------------------------------------------------------------------------------------------------------------------- 8 Troubleshooting ------------------------------------------------------------------------------------------------------------------------------------ 9 Parts Replacement: Friction Facings ---------------------------------------------------------------------------------------------------------------------------- 10...
  • Page 5: General Specifications

    WARNING CAUTION Ensure proper guarding of the product is The temperature limits for the used. Nexen recommends the machine product are 4.5-100 degree builder design guarding in compliance with OSHA 29 CFR 1910 “Occupational Celsius (40-220 degree F).
  • Page 6: Installation

    INSTALLATION MOUNTING ON THE SHAFT END OF A MOTOR NOTE: Model 625 does not have a Female Pilot (Item 26); Socket Head Cap proceed with Step 2 for this model. Socket Head Screw and Cap Screw Lock Washer 1. On Models 875, 1125, and 1375, first remove Socket (Item 13 or 27) (Items 29 and 30) Head Cap Screws (Item 27 on Models 875 and 1125...
  • Page 7: Mounting Between A Gear Reducer And Amotor

    INSTALLATION 9. Insert and tighten the Set Screw and then install the MOUNTING BETWEEN A GEAR REDUCER AND A Plug (See Figure 3). MOTOR NOTE: On Model 625, the Set Screw is Item 26. On 1. Insert the Key (Item 25) into the output shaft of the Models 875 and 1125, the Set Screw is Item FMCBE (See Figure 3).
  • Page 8: Lubrication

    NOTE Nexen pneumatically actuated devices require clean, pressure regulated air for maximum performance and life. All seals in Nexen Pneumatically operated devices are lubricated for life and do not require additional lubrication. However, some customers prefer to use an air line lubricator, which injects oil into the pressurized air, forcing an oil mist into the air chamber.
  • Page 9: Air Connections

    NOTE product life. For quick response, Nexen recommends a quick exhaust valve and short air lines between the Control Valves and the product. Align the air inlet ports to a down position to allow condensation to drain out of the air chambers Air Pressure (Gage) Limits of the product.
  • Page 10: Troubleshooting

    TROUBLESHOOTING u l i f l a i t c n i t r i a l o r u f l o i t l r i n i r . s l n i r . s l u l i r i a f l a...
  • Page 11: Friction Facings

    PARTS REPLACEMENT / FRICTION FACINGS MODELS 625, 875, 1125, AND 1375 1. Remove the four Socket Head Cap Screws (Item 13) and separate the two halves of the FMCBE (See Figure CAUTION Some product assemblies can exceed 90 lbs. Use lifting aids and proper lifting techniques when installing, removing, or placing in service.
  • Page 12: Ball Bearing

    PARTS REPLACEMENT / BALL BEARING NOTE: The following sections are arranged by model. Verify that you are in the correct section for your model. MODEL 625 HOUSING NOTE: If an Input Unit is installed on the FMCBE, it must be removed before servicing the FMCBE. Remove Cap Screws and the Plug (Item 27) and loosen the Set Screw (Item 26) to release the FMCBE from the Input Unit (See Figure 11).
  • Page 13 MODELS 875, 1125, AND 1375 FEMALE PILOT NOTE: If an Input Unit is installed on the FMCBE, it must be removed before servicing the FMCBE. Remove Cap Screws and the Plug and loosen the Set Screw to release the FMCBE from the Input Unit (See Figure 13).
  • Page 14: Piston, Drive Disc, Bearings, And O-Ring Seals

    MODELS 875, 1125, AND 1375 FEMALE PILOT (continued) 12. Support the inner race of the new Ball Bearing (Item NOTE: On FMCBE Models 875 and 1125, the Socket Head 2) and press the Drive Disc (Item 4) into the new Ball Cap Screws are Item 27.
  • Page 15 PARTS REPLACEMENT / PISTON, DRIVE DISC, BEARINGS, AND O-RING SEALS (continued) Press this Ball Bearing on first (See Step 7). 6. Clean the bearing bore of the Male Pilot (Item 20) with fresh safety solvent, making sure all old Loctite residue ®...
  • Page 16 PARTS REPLACEMENT / PISTON, DRIVE DISC, BEARINGS, AND O-RING SEALS (continued) CAUTION Working with spring loaded or tension loaded fasteners and devices can cause injury. Wear safety glasses and take the appropriate safety precautions. 23. Lubricate the new O-ring Seals (Items 21 and 22) and the contact surfaces on the Male Pilot (Item 20) and Air Chamber (Item 12) with a thin film of fresh O-ring FIGURE 18...
  • Page 17: Input Unit

    19). REPLACEMENT PARTS When ordering replacement parts, specify model designation, The item or balloon number for all Nexen products is used item number, part description, and quantity. Purchase for part identification on all product parts lists, product replacement parts through your local Nexen Distributor.
  • Page 18: Fmcbe-625

    PARTS LIST FMCBE-625 FIGURE 20 ITEM DESCRIPTION ITEM DESCRIPTION Housing Spring Pin Ball Bearing Retaining Ring (Int.) Retaining Ring (Int.) Ball Bearing Drive Disc Male Pilot Retaining Ring (Int.) O-ring Seal Retaining Ring (Ext.) O-ring Seal Flat Head Machine Screw Stub Shaft Retaining Ring (Ext.) Splined Disc...
  • Page 19: Fmcbe-875

    PARTS LIST FMCBE-875 FIGURE 21 ITEM DESCRIPTION ITEM DESCRIPTION Housing Retaining Ring (Int.) Ball Bearing Ball Bearing Retaining Ring (Int.) Male Pilot Drive Disc O-ring Seal Retaining Ring (Int.) O-ring Seal Retaining Ring (Ext.) Stub Shaft Flat Head Machine Screw Retaining Ring (Ext.) Splined Disc Key (Not Shown)
  • Page 20: Fmcbe-1125

    PARTS LIST FMCBE-1125 FIGURE 22 ITEM DESCRIPTION ITEM DESCRIPTION Housing Spring Pin Ball Bearing Retaining Ring (Int.) Retaining Ring (Int.) Ball Bearing Drive Disc Male Pilot Retaining Ring (Int.) O-ring Seal Retaining Ring (Ext.) O-ring Seal Flat Head Machine Screw Stub Shaft Splined Disc Retaining Ring (Ext.)
  • Page 21: Fmcbe-1375

    PARTS LIST FMCBE-1375 FIGURE 23 ITEM DESCRIPTION ITEM DESCRIPTION Housing Spring Pin Ball Bearing Retaining Ring (Int.) Retaining Ring (Int.) Ball Bearing Drive Disc Male Pilot O-ring Seal Retaining Ring (Int.) O-ring Seal Retaining Ring (Ext.) Stub Shaft Flat Head Machine Screw Retaining Ring (Ext.) Splined Disc Friction Facing...
  • Page 22: Parts List

    PARTS LIST INPUT UNIT ITEM DESCRIPTION Stub Shaft Bearing Flange Ball Bearing Retaining Ring Hex. Head Jam Nut (Not Shown) Retaining Ring FIGURE 24 FORM NO. L-20150-W-0414 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 23: Warranty

    Warranties Nexen warrants that the Products will (a) be free from any defects in material or workmanship for a period of 12 months from the date of shipment, and (b) will meet and perform in accordance with the specifications in any engineering drawing specifically for the Product that is in Nexen’s current product catalogue, or that is accessible at the Nexen website, or that is...

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