Autogap Installation for
Hub Red Spring
Drive Pin
Red SpringHub
Drive Pin
Detent Retainer
Detent
Ring
Ligh
Spri
Armature
Hub
Armature
Drive Pin
Light Spring
Retainer Ring
0.062
(1.57)
Capscrew
Adapter
Armature
Hub
Magnet
Detent Spring Retainer
Ring
Drive
Pin
Light
Spring
Detent
Retainer
Detent
Ring
Red
Spring
Hub
Armature
Sizes 825-1225 Motor Brakes
P-1375
819-0081
Assembling the Armature and Hub
Assemble the armature to the armature hub with
the autogap mounting accessory. Follow these
instructions to assemble the armature and hub.
1. Apply Loctite®#242 (or #290, or equivalent) to
drive pin threads. Insert the drive pin into the hub
and tighten until the shoulder of the pin is against
the hub. (Figure 1)
2. Assemble the red
spring over the drive
pin. The smaller
diameter of the
spring should be
against the hub.
3. Place the detent
retainer over the
pin. The cuppedout portion should
be against the
spring. (Figure 2)
4. Place the detent ring
on the pin and press it into the recessed portion
of the detent retainer. (Figure 2)
5. Slide the detent ring
towards the hub to
allow about 1/2"
between the ring
and head of the pin.
(Figure 3)
6. Slide the armature on
the pins. The face of
the armature should
be towards the hub.
7. Assemble the light spring over the pin. The large
diameter of the spring should be against the
Figure 1
Figure 2
Figure 3
Installation Instructions
Failure to follow
these instructions may result in
product damage, equipment
damage, and serious or fatal injury
to personnel.
armature. (Figure 4)
8. Compress the spring
to allow the retainer
ring to be snapped
into the groove at the
head of the pin.
Mounting the Armature-Hub Assembly
(See Figure 5)
1. Insert taperlock bushing into the bore of the hub.
2. Loosely insert the locking setscrews and slide the
assembly on to the shaft.
3. Position the assembly to allow a gap of 1/16"
between the faces of the armature and magnet.
4. Secure the assembly in this position by alternately
tightening the locking setscrews. The bushing should
be tapped lightly from time-to-time to make sure it
seats-in properly.
5. Set the autogap by
pressing the armature
into contact with the
friction face and then
releasing the
armature. The
armature should
spring back
approximately 1/32".
Once this gap is set it
will be automatically
maintained throughout
the life of the unit.
6. Use capscrews and
lockwashers to bolt
adapter cover.
Figure 4
Figure 5
Warner Electric 800-825-9050
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 WARRANTIES, 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 • Fax: 815-389-2582
www.warnerelectric.com
P-1375 • 819-0081 6/12 Printed in USA
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