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Cummins/Onan OTPCA — Service Procedure

For the Cummins/Onan OTPCA.

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Procedure

  1. 1. OTPC - Open Transition PowerCommand Control.
  2. 2. Ampere Rating: A = 40, 70, 125 B = 150, 225, 260 C = 300, 400, 600 D = 800, 1000
  3. 3. Assigned spec number - issued for each spe- cific combination of accessories, voltages, fre- quency and standards codes. This number is only repeated for standard product.
  4. 4. Specification letter - advances with production modification. HOW TO OBTAIN SERVICE When the transfer switch requires servicing, con- tact your nearest Cummins Power Generation dis- tributor. Factory-trained Parts and Service repre- sentatives are ready to handle all your service needs. To contact your local CPG distributor in the United States or Canada, call 1-800-888-6626 (this auto- mated service utilizes touch-tone phones only). By selecting Option 1 (press 1), you will be automati- cally connected to the distributor nearest you. If you are unable to locate a dealer or distributor, consult the Yellow Pages. Typically, distributors are listed under: Generators-Electric, Engines-Gasoline or Engines-Diesel, or Recreational Vehicles-Equipment, Parts and Service. For outside North America, call Cummins Power Generation, 1-763-574-5000, 7:30 AM to 4:00 PM, Central Standard Time, Monday through Friday. Or, send a fax to Cummins Power Generation using the fax number 1-763-574-8087. When contacting your distributor, always supply the complete Model Number and Serial Number as shown on the nameplate. Cummins is a registered trademark of Cummins Engine Company. Onan is a registered trademark of Onan Corporation. Redistribution or publication of this document, by any means, is strictly prohibited.

Source: manual:962-0516A Onan OTPC (40-1000 Amp) Transfer Switch Service manual (10-2002).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.