Warner Electric MCS-103 User Manual

MCS-103 Rheostat Replacement

to prevent injury (or even death), make
certain all power is off before attepting to repair any
electrical equipment.

1. Turn off power to the MCS-103 control.

2. Remove control's cover and locate (3) three rheostat
mounting screws.

3. Remove rheostat adjusting knob and mounting screws.

4. Detach mounting plate from rheostat.

5. Remove all wires from rheostat. Mark each wire as it is
removed to ensure its return to the proper location on the
new rheostat.

6. Strip back each wire 3/8 in. and reconnect the wires
removed in step 5 to the proper rheostat terminals. For
soldering ease, insert wire through terminal hole and wrap
excess around terminal.

7. Carefully solder the wires to the new rheostat.

8. Attach the mounting plate to the rheostat, and turn shaft
fully counter-clockwise (FCCW).

9. Reposition mounting plate into control housing,
making sure rheostat wires aren't pinched between plate
and housing.

10. Secure mounting plate with three (3) screws, and install
adjusting knob with marker pointing to zero of dial face.

11. Slide cover over control housing; rheostat replacement is
now complete.

P-239-29

Installation Instructions

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: [phone]
www.warnerelectric.com

P-239-29 6/12 Printed in USA