SCT Operation Instruction – RS1

The detailed procedure of SCT operation for RS1 is as follows:

1. Make sure that RS1 earth switch is in ON (close) position and remove the operating handle.

   RS1 Earth ON Position

   

2. Open the LV door and take the RS1 test access key.

3. Insert the test access key (1) into earth ON porthole and make sure that test access key (1) is engaged with shoot bolt (2) slot.

   Installing the Test Access Key

   

4. Rotate the lever of the test access key in anti-clockwise direction (90°) to unlock the shoot bolt (2) for SCT access bar, and make sure that the shoot bolt (2) disengages from the SCT access bar.

   Disengaging the Shoot Bolt

   

5. Slide upward the bracket A (3) and insert the operating handle into the bracket A holes and pull down the bracket A (3) to lock the operating handle.

   Inserting the Operating Handle

   

6. Hold the operating handle and pull down the SCT access bar.

   Disengaging the SCT Access Bar

   

7. Pull down the SCT access bar and remove the operating handle by sliding the bracket A up.

   NOTE: The test access is ready for cable testing.

8. Slide upward the bracket A and insert the operating handle inside the bracket A holes and pull down the bracket A. Refer step 5.

9. Hold the operating handle and push upward to close the SCT access bar.

   Engaging the SCT Access Bar

   

10. Slide the bracket A (3) in upward direction and remove the operating handle.

    Removal of Operating Handle

    

11. Engaging the shoot bolt with the SCT access bar as follows:

    DANGER
    HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH Make sure that shoot bolt is engage/locked position with the SCT access bar slot before removing the test access key. Failure to follow these instructions will result in death or serious injury.

    Once the SCT access bar is closed, rotate the lever of the test access key in clockwise direction (90°) and lock the shoot bolt to SCT access bar slot and then remove the test access key.

    Engaging the Shoot Bolt