General Information

All Clutches, Brakes and Clutch/Brakes

• Are designed for occasional start/stops of no more than five (5) cycles per minute.
• Are ideally suited for zero-pressure, accumulation and zone type conveyor systems and similar applications.
• Are not designed for high cycle rate, tension control, or high inertia start applications.
• Should be operated below the maximum rated torque values. (See selection guide in catalog)
• Are designed to operate in ambient temperatures not less than 20° F, or greater than 110° F. Contact PCI for temperatures outside of this range.
• Should be protected from excessive moisture or condensation.
• Recommended mounting shaft size = nominal shaft size with (+.000/-.001) tolerance.

Always use filtered, lubricated and regulated air

• Exceeding the maximum suggested air pressure only shortens the useable life of the unit.
• Always use a flexible connection between the air supply line and the air fitting.
• The maximum supplied air pressure should not exceed 80 PSI.
• Operating the units at the minimum required air pressure to achieve the required torque will lengthen the usable life of the unit. (For example: a unit operated at 60 PSI supplied air pressure will have a longer useable life than a unit operated at 80 PSI supplied air pressure.)

Minimum shaft engagement for end mounted units should be no less than the unit shaft bore depth - 0.25".

All keyways are standard size unless otherwise noted.

NEVER rigidly mount the housing with the anti-rotate holes.

Usable Life Information

The normal expected cycle life for units operated under standard conditions outlined in the General Information section above:
• Clutches - 5,000,000 cycles.
• Brakes - 5,000,000 cycles.
• Clutch/Brakes - 3,000,000 cycles.

The units, in some cases, can be rebuilt by the manufacturer to “like-new” condition. Typical rebuild kits include friction disks, springs and O-rings. Proper disassembly and reassembly of units is highly sensitive and should only be done by qualified personnel. It is recommended that units are returned to manufacturer for rebuilding to ensure proper functioning of the unit. Please contact the manufacturer's customer service department if assistance is required.