Sensiflex® Shaft Input Tension Control Clutches
7Pages

Installation and Maintenance Manual SHAFT INPUT TENSION CONTROL CLUTCH Patent No. 6,578,691 B1 This document applies to the following catalog standard products, and to custom versions based upon these models: 38SI & 38SI-ULOW 58SI & 58SI-ULOW 78SI & 78SI-ULOW 98SI & 98SI-ULOW 118SI & 118SI-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 6/19/2020

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. ANTI-ROTATION ARM MOUNTING INSTRUCTIONS Mach III through-shaft mounted clutches and clutch-brake combinations require installation of an anti-rotation arm (also known as a reaction arm) which is discussed later...

INSTALLATION 1. INSTALLING A SPROCKET OR PULLEY Mach III units are typically shipped from the factory with the required sprocket or pulley preinstalled. This section pertains only to those who need to install or replace a pulley or sprocket in the field. Please use the links on page one of this document to obtain the detail sheet for your unit. This sheet will include the pilot diameter and other dimensions needed to machine the sprocket or pulley. Bore the sprocket or pulley for clearance (slide fit) over pilot and drill standard clearance holes for the number and type of screws on...

E. FINAL INSPECTION & TESTING Check alignment of the sprocket or pulley. Cycle the clutch with the machine off to check for air leaks and to ensure proper engagement and release. After a short run, check set screws and alignment. OPERATION A. AIR PRESSURE Torque output of this model is proportional to air pressure applied. Refer to the Product Detail Sheet for specifics regarding torque capacity. The air pressure supplied to the unit should be regulated to the minimum amount necessary to attain the required torque output. The maximum operating pressure should not exceed 80 PSI. SensiFlex®...

PARTS DIAGRAM 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. DISASSEMBLY (1) Loosen set screws using appropriate hex wrench and slide the clutch off of the shaft. Place the clutch on a work surface with the air cylinder end of the clutch upward. (2) Loosen the set screw in the adjustment nut and remove nut using a wrench or channel lock pliers. The air cylinder bearing is a...

C. FRICTION DISC REPLACEMENT (1) Remove brass screws and friction disc. (2) Inspect the friction disc mounting surface making sure that it is smooth and free from contamination. (3) Mount new friction disc and firmly tighten screws using an alternating sequence. D. DIAPHRAGM INSPECTION & REPLACEMENT Diaphragm replacement should rarely be necessary if the air supply is regulated and free of contamination and if the gap between the friction and drive disc is properly set. Separate the air cylinder and piston by pulling apart taking care not to bend pins. Pinch the diaphragm and pull from the...

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...