Warner Electric
AT Series Clutches–Pulleys
P-1412
819-0362
Introduction
This sheet provides step by step installation
instructions for manufacturer furnished pulleys for
AT series clutch pulleys.
Failure to follow these
instructions may result in product damage,
equipment damage, and serious or fatal
injury to personnel.
Key and Snap Ring Mounting
1. Insert the factory furnished key into its keyway
in the clutch hub. Position the sheave or pulley
so it will fit onto the hub aligning the keyway
with the key. Be sure to keep the tapped pulley
removal holes accessible.
Installation Instructions
When installing this or other
retaining rings, be sure to hold the ring with
one hand so it will not spring away should
the pliers lose their grip on the ring. Always
wear safety glasses when installing or
removing retaining rings.
Note: For high cycle rate applications or
applications with potential pulley
®
misalignment, apply Loctite
the pulley to eliminate the possibility of
keyway wear.
2. Gently tap the sheave or pulley until it seats
against the hub shoulder.
Note: Do not force the pulley or sheave onto
the hub if it will not go. Check alignment to
assure it is going on evenly. Check for burrs
or ridges on the shaft and remove any which
may be present with a file.
3. Install the furnished retaining ring with retaining
ring pliers. Ensure that the retaining ring is fully
seated around its periphery.
to the I.D. of
Through Bolt Mounting
Note: This method is suitable for pulleys and
sheaves with adequate radial wall thickness
to accommodate through holes.
1. Drill holes through the pulley or sheave to
match the tapped holes on the hub shoulder
of the clutch.
2. Align the through holes in the sheave or
pulley with the tapped holes on the hub
shoulder and gently tap until it seats against
the shoulder.
Note: Installing the keyway and snap ring
are not necessary if the sheave or pulley is
held in place by the through bolt method.
3. Secure the pulley with capscrews, using
lockwashers or Loctite to assure thread
retention.
Warranty
Warner Electric LLC warrants that it will repair or replace (whichever it deems advisable) any
product manufactured and sold by it which proves to be defective in material or workmanship within a
period of one (1) year from the date of original purchase for consumer, commercial or industrial use.
This warranty extends only to the original purchaser and is not transferable or assignable without
Warner Electric LLC’s prior consent.
Warranty service can be obtained in the U.S.A. by returning any defective product, transportation
charges prepaid, to the appropriate Warner Electric LLC factory. Additional warranty information may
be obtained by writing the Customer Satisfaction Department, Warner Electric LLC, 449 Gardner
Street, South Beloit, Illinois 61080, or by calling 815-389-3771.
A purchase receipt or other proof of original purchase will be required before warranty service is
rendered. If found defective under the terms of this warranty, repair or replacement will be made,
without charge, together with a refund for transportation costs. If found not to be defective, you will be
notified and, with your consent, the item will be repaired or replaced and returned to you at your
expense.
This warranty covers normal use and does not cover damage or defect which results from
alteration, accident, neglect, or improper installation, operation, or maintenance.
Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may
not apply to you.
Warner Electric LLC’s obligation under this warranty is limited to the repair or replacement of the
defective product and in no event shall Warner Electric LLC be liable for consequential, indirect,
or incidental damages of any kind incurred by reason of the manufacture, sale or use of any defective
product. Warner Electric LLC neither assumes nor authorizes any other person to give any other
warranty or to assume any other obligation or liability on its behalf.
WITH RESPECT TO CONSUMER USE OF THE PRODUCT, ANY IMPLIED WARRANTIES WHICH THE
CONSUMER MAY HAVE ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL
CONSUMER PURCHASE. WITH RESPECT TO COMMERCIAL AND INDUSTRIAL USES OF THE
PRODUCT, THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARANTIES,
WHETHER EXPRESSED OR IMPLIED BY OPERATION OF LAW OR OTHERWISE, INCLUDING, BUT
NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation or exclusion may not apply to you. This warranty gives you specific legal rights and
you may also have other rights which vary from state to state.
Changes in Dimensions and Specifications
All dimensions and specifications shown in Warner Electric catalogs are subject to change without
notice. Weights do not include weight of boxing for shipment. Certified prints will be furnished without
charge on request to Warner Electric.
Warner Electric LLC
31 Industrial Park Road • New Hartford, CT 06057
815-389-3771
www.warnerelectric.com
P-1412 819-0362 5/12 Printed in USA
• Fax: 815-389-2582