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7/9/2013 CLUTCH_THRUSHAFT_BALLBRG_AIR_RD_MANUAL Page 1 of 4

Installation & Maintenance Manual

AIR ENGAGED FRICTION CLUTCHES

THROUGH SHAFT MOUNT - BALL BEARING PILOT

Catalog Products:

C3A2R-STH & C3A2R-STL

C4A2R-STH & C4A2R-STL

C5A2R-STH & C5A2R-STL

C6A2G-STH & C6A2G-STL

And non-catalog variations

of this clutch design.

Mach III Technical Support

Toll Free: 866-291-0849

International: 001-859-291-0849

Email: engineering@machiii.com

www.machiii.com

Detail sheets and 3D models are available on the Mach III website:

http://www.machiii.com/Products/Clutches/Industrial-Friction-Clutches/Through-Shaft-

Pilot-Mount-Clutches-Ball-Bearing.asp

Please contact Mach III to obtain assembly and parts list drawings.

This product includes rotating equipment and should be guarded according to

OSHA requirements and other Federal, State and local regulations. It is the

responsibility of the user to provide necessary guarding.

CLICK on product numbers above

to obtain the product detail sheet

which includes dimensional data

helpful during installation.

Summary of content (4 pages)

PAGE 1
Installation & Maintenance Manual AIR ENGAGED FRICTION CLUTCHES THROUGH SHAFT MOUNT - BALL BEARING PILOT Catalog Products: C3A2R-STH & C3A2R-STL C4A2R-STH & C4A2R-STL C5A2R-STH & C5A2R-STL C6A2G-STH & C6A2G-STL And non-catalog variations of this clutch design. CLICK on product numbers above to obtain the product detail sheet which includes dimensional data helpful during installation. Mach III Technical Support Toll Free: 866-291-0849 International: 001-859-291-0849 Email: engineering@machiii.com www.
PAGE 2
I. New Clutch Torque New clutch torque is approximately 40% less than rated design torque until the friction and drive discs are worn in (lapped, burnished). The length of time for wear-in to occur depends upon the application. II. 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.
PAGE 3
IV. Clutch Operation The maximum operating pressure should not exceed 80 PSI. Operation at pressures greater than that required for proper function will decrease the life of the bearings. Special Note Regarding Friction Disc Contamination: The friction material used in 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.
PAGE 4
DISASSEMBLY CONTINUED: (3) (4) (5) Remove air cylinder with bearing from drive hub. The air cylinder bearing is a slide fit ®. on the drive hub and is affixed to the drive hub with a thin coating of Loctite You may need to strike the hub, or an object inserted in the hub with a rubber mallet or similar ® soft face hammer, while pulling the cylinder upwards to break the Loctite seal. Remove inner retainer ring from the drive hub. Next, remove sub-assembly consisting of the piston, bearing & cone.