Nema Frame Mount Spring Engaged Friction Brakes
7Pages

Installation and Maintenance Manual SPRING ENGAGED FRICTION BRAKES NEMA FRAME MOUNT This document applies to the following catalog standard products, and to custom versions based upon these models: D3C2F-34H, D3C2F-34HCA & D3C2F-34HSS D3C3R-56H, D3C3R-56HCA & D3C3R-56HSS D3C3R-14H, D3C3R-14HCA & D3C3R-14HSS D5C3R-18H, D5C3R-18HCA & D5C3R-18HSS D5C3R-21H, D5C3R-21HCA & D5C3R-21HSS D8C2K-28H, D8C2K-28HCA & D8C2K-28HSS PLEASE NOTE Mach III products are manufactured on a per order basis and may only be returned in cases of warranty defect. We strongly recommend review of all new applications with Mach III Engineering staff to ensure suitability of the chosen product for the intended use. © Mach III Clutch, Inc. All Rights Reserved 6/16/2020

ADDITIONAL RESOURCES AND SERVICES PRODUCT DETAIL SHEETS Click on the product number shown on page 1 of this document for a link to download the product detail sheet which contains dimensional data, torque capacity and other specifications along with parts list and parts kits details. For custom products (part numbers ending in three numeric characters), contact Mach III Engineering. TECH SUPPORT, 3D MODELS, APPLICATION REVIEW AND SELECTION ASSISTANCE Mach III Engineering: FACTORY REPAIR SERVICE Clients who want to have a unit evaluated for factory repair service should contact Mach III...

INSTALLATION 1. BRAKE INSTALLATION A. SHAFT PREPARATION & MOUNTING Mach III Clutch products are bored to fit a precision plug gauge for the specified bore size and should slide fit the mating shaft. Make certain that the shaft is free of burrs or nicks. It may be necessary to file or sand the shaft to ensure a slide fit. Never hammer the brake onto the shaft. Hammering on the brake may cause evident damage or subtle injury that will shorten the wear life of the unit and will void the warranty. (1) Apply the anti-seize (E-Z Break®) lubricant from the packet provided, or equivalent, to the...

MAINTENANCE & REPAIR When installed and operated according to the preceding guidelines, Mach III Clutch products should require little or no routine maintenance. A repair kit is available which contains all parts subject to typical wear: friction discs, springs and O-rings. The following pages provide instructions for installing a repair kit. When more extensive repairs are required, contact Mach III Engineering for technical support or Mach III Customer Service for factory rebuild options. PARTS DIAGRAM: FRICTION DISC CYLINDER DRIVE DISC RELEASE SPRINGS RACE RETAINER RING PRESSURE PLATE...

REPAIR KIT INSTALLATION PROCEDURE TOOLS REQUIRED Hex Wrench Set Rubber Mallet or similar soft face hammer Retainer (snap) Ring Pliers Scraper COMPOUNDS REQUIRED Grease O-ring Lubricant Loctite® #609 Retaining Compound Anti-Seize Lubricant (for re-installation) A. COMPLETE DISASSEMBLY (1) Remove brake from shaft and place in vertical position with top plate end facing upward. (2) Apply air to brake to relieve spring pressure from top plate. (3) Remove top plate retainer ring or cap screws and top plate. (4) Remove retainer ring, race and springs. (5) Remove drive discs, friction discs and...

C. O-RING REPLACEMENT (1) Follow COMPLETE DISASSEMBLY instructions above. (2) Separate cylinder and piston. (3) Inspect O-ring seals. If worn, replace using new O-rings that have been lubricated with an O-ring lubricant such as Dow Corning® #4 Compound or equivalent. (4) A very thin coat of O-ring lubricant should also be applied to the inner walls of the cylinder. D. REASSEMBLY (1) Replace the piston in the cylinder. (2) Make sure the tapped holes in the piston are aligned with corresponding holes in the cylinder. (3) Replace the spacers and springs. (4) Replace the pressure plate and...

MACH III PRODUCT WARRANTY Mach III Clutch, Inc. warrants its products to be free from defects in materials and workmanship for a period of one year from the date of shipment from our factory or from the location of one of our authorized distributors provided the product is properly installed, maintained and has been operated under normal conditions. This warranty shall not apply to products that have been subject to misuse, negligence or accident, or damaged by circumstances beyond the control of Mach III Clutch, Inc., or which has been used in a manner contrary to Mach III Clutch, Inc.’s...