Installation and Maintenance Manual TENSION CONTROL BRAKES Patent No. 6,578,691 B1 This document applies to the following catalog standard products, and to custom versions based upon these models: 38BK & 38BK-ULOW 58BK & 58BK-ULOW 78BK & 78BK-ULOW 98BK & 98BK-ULOW 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

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 Customer...

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 shaft....

B. CONTAMINATION The friction material (pads) contained within this product will absorb oil, water, chemicals, and other contaminants. Depending on the type of contamination, clutch may either seize up entirely or lose torque capacity. If friction discs become contaminated, they should be replaced. Particulate contamination can also cause premature wear of the drive surfaces and seals. If the operating environment is prone to contamination, a custom, covered unit should be considered. Contact Mach III Engineering to explore options. MAINTENANCE & REPAIR When installed and operated according to...

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) Feeler Gauge A. DISASSEMBLY 1. Loosen set screws and bolts from flange and slide the brake off of the shaft. Place brake in a horizontal position with the cylinder facing downward. 2. Loosen nylon point set screw in adjustment nut and remove the nut. 3. Remove drive disc which should slide easily off of drive hub. 4. Inspect the drive surface...

g. Lubricate the new diaphragm with an O-ring lubricant such as Dow Corning® #4. Install with the lips located on the ID and OD of the diaphragm facing downward. Press the lips into the grooves by applying pressure while gliding a finger along each perimeter of the diaphragm and then ensure that the lips are fully seated by running your thumb across the surface of the diaphragm in a clockwise motion several times. 2. Bearing Inspection & Replacement h. Check bearing for external damage (missing seal, etc.). Make sure the bearing rotates freely and smoothly by hand. OD of bearing is press fit...

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 instructions...