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Cummins/Onan BT BCA 400 - 4X U / 3101 E — Same Source Bypass Test

For the Cummins/Onan BT BCA 400 - 4X U / 3101 E.

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Procedure

  1. Turn and hold the Source Select switch to the normal source and move the bypass switch handle to the normal source position.
  2. Turn the key operated Drawout Release switch and hold against the tension of the spring return. Turn the drawout crank handle counterclockwise until the amber test light comes on and then release the Drawout Release switch.
  3. If the bypass switch is operational, no power interruption should occur. The green Bypass Switch-Position light should be ON and the green Transfer-Switch-Position light should be ON.
  4. Turn the key operated Drawout Release switch and hold against the tension of the spring return. Turn the drawout crank handle clockwise until the limit of rotation is reached.
  5. Release the Drawout Release switch and push the Reset switch. The green Transfer-Switch-Position light should be ON.
  6. Move bypass switch handle to the automatic position.

Source: manual:962-0108 Onan BT 150 - 1000 Operators Manual (6-1983) .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.