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Mechanical operation of
switching devices
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
34
Commissioning
34.1
Checking the installation work
➭ Carry out a final check to make sure that all installation work has been performed according
to these installation instructions (see page 50, "Installation").
34.2
Test operation
Read the operating instructions before the test operation. Test operation helps you to verify
the perfect operation of the switchgear without high voltage.
The work described below must be performed on each panel.
DANGER
Operating the switchgear under high voltage for test can destroy the switchgear and cause
personal injuries.
➭ Switch off high voltage before test operation.
ATTENTION
If defective or incorrectly assembled switchgear is put into operation, this can damage or
destroy parts of the switchgear.
➭ Never put switchgear into operation if you notice during test operation that a part of it
does not work as described in here.
DANGER
Charging the circuit-breaker operating mechanism by hand can cause injuries due to the
suddenly starting motor operating mechanism.
➭ Charge the circuit-breaker mechanism with the supplied original hand crank with
freewheel only.
➭ All auxiliary and control voltages are switched off.
➭ Charge the circuit-breaker operating mechanism by hand.
➭ Close and open the circuit-breaker.
➭ Close and open the busbar earthing switch several times.
Installation
①
Hand crank
②
"Closing spring not
charged" indication
③
"Closing spring
charged" indication
143/214
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