ABB UniGear ZS2 Installation, Operation And Maintainance Instructions page 50

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50
U N I G E A R Z S 2 I N S TA L L AT I O N , O P E R AT I O N A N D M A I N TA I N A N C E I N S T R U C T I O N M A N U A L
4. Rack-in the earthing truck from Test to Service
position. Note: The earthing truck can be
moved from the test to service position in
switchgear only when the above said
conditions (1) & (3) are satisfied,
due to safety interlocks.
5. Once the earthing truck is in Service position,
CLOSE the switching device of the earthing
truck to earth the busbar side or cable side,
as appropriate.
Note: Electrical schemes will have all kinds of
necessary interlocks, hence please refer the order
related documents too.
Figure 74 - Metering door knob
Figure 75 - Handle for operating Earth switch
Figure 76 - Manual operation of withdrawable Part ( VD4 breaker)
76.1 Mechanical ON Push button
76.2 Mechanical OFF Push Button
76.3 Mechanical Switch Position indicator
76.4 Charging condition indicator
76.5 Mechanical operating cycle counter
76.6 Charging lever
76.7 Sliding Handle, connected with the catch on the
withdrawable assembly.
Doorknob
Figure 77 - Racking operation
Figure 78 - Operating handle
Handle (for moving the withdraw able part inside the switchgear)
76.2
76.1
76.4
76.3
76.5
76.6
76.7

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