ABB Uniswitch - Operating the Withdrawable Type Switchgears

ABB 28
Uniswitch Operation and
Maintenance Manual
UNIS14GB 05-02
4.4 Operating the withdrawable type switchgears
4.4.1 Manual operation of the withdrawable type
! Carry out switching operations with the front doors
closed.
4.4.1.1 Manual insertion from the test/disconnected position to the service position
Figure 4.6
Withdrawable assembly for circuit-breaker, with auxiliary switches. (3/10)
Figure 4.7
Hand crank
1) Connect control wiring plug (44.4) (Figure 4.9) to socket (50.1)
(Figure 4.8).
2) Close the front door.
3) Ensure that the circuit-breaker is in the OFF position.
4) Fit hand crank (80.2) on square spigot (60.1) of the spindle
mechanism.
5) Turn the crank clockwise approx. 20 turns until the stop is reached
and the withdrawable part is in the service position.
6) Observe the position indicator.
7) Remove hand crank (80.2).