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Transfer Switches - Eaton Cutler Hammer — The operating sequence of an ATS is dictated by the switch’s

A Transfer Switches - Eaton Cutler Hammer service procedure — check it applies to your exact model before use.

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Procedure

  1. 2. Open both switching devices Manual Operation Instructions
  2. 4. Verify source availability
  3. 5. Close switching device on available source
  4. 1. Disconnect Logic Connectors
  5. 3. Verify "OPEN" flags 7805C60H05 MANUAL CLOSE BUTTON Operating Instructions Do Not Use Without Reading Manual OVERLAPPING CONTACTS must be Synchronized SOURCE 1 AND SOURCE 2 WARNING 7805C60H04 THIS PRODUCT CONTAINS A SPECIAL CON- TACT ARRANGEMENT (OVERLAPPING CON- TACTS). MISUSE CAN RESULT IN DEATH SEVERE PERSONAL INJURY OR PROPERTY DAMAGE. (THIS LABEL IS APPLIED TO THE DOOR ) FOLLOW THE INSTRUCTIONS OUTLINED IN THE NEXT WARNING LABEL. (THIS LABEL IS APPLIED TO THE COVER OF THE MANUAL CLOSE BUTTON ON EACH THESE INSTRUCTIONS ONLY PERTAIN TO MANUALLY CLOSING A SINGLE SWITCHING DEVICE. ATTEMPTING TO CLOSE BOTH SWITCHING DEVICES CAN CAUSE SEVERE INJURY OR DEATH. THIS LABEL IS APPLIED TO THE DOOR. For more information visit: www.Eaton.com IB01602011E Instructional Booklet Page 22 Effective: March 2007 Fixed and Drawout Magnum Transfer Switches Section 6: Drawout and Fixed Switching Devices
  6. 6.1 Installing a Drawout Switching Device In transfer switches equipped with drawout switching devices, bolted-in carriages with extendable rails support the switching devices.

Source: manual:Magnum ATS Instructions.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.