Siemens 8DB10 Installation And Operating Instructions Manual page 164

Operation
Emergency operation of
the READY-TO-EARTH
function
164/214
If the switch does not reach its end position, e.g., due to a failure of the auxiliary voltage
during earthing switch operation, push the operating lever with pushed-on adapter onto the
hexagonal shaft for the READY-TO-EARTH function in such a way that the pin of the hexagonal
shaft fits in the inner slot of the operating adapter.
Fig. 190: Inserting the operating lever with pushed-on adapter (READY-TO-EARTH function)
ATTENTION
The emergency operating lever with adapter does not have a stop. Switching with the
emergency operating lever beyond the end position of the DISCONNECTING function of the
three-position disconnector will damage the three-position disconnector.
➭ Do not turn the emergency operating lever with adapter beyond the horizontal position.
Fig. 191: Emergency operation of the READY-TO-EARTH function of the three-position disconnector
➭ Push the control gate to the left.
➭ Push the control gate to the right.
✔ The opening for the READY-TO-EARTH function is free.
Revision 06 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • 864-5091.9