Removal of the Bottom Plate of Circuit Breaker Compartment
The bottom plate of the circuit breaker compartment can be removed as required. For example, for maintenance work refer Maintenance in User Manual or for access to the busbar compartment, (see Front Access).
Follow the below steps to remove bottom plate of circuit breaker compartment:
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Remove truck from the panel (see Access to Switching Device Compartment).
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Remove insulating walls (only in case of 17 and 24 kV panels).
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Release the three securing bolts (see Figure 26, 1) of the support (2).
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First remove support (2) and then the four insulating walls (3).
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Dismantle auxiliary switch block for truck (4) and deposit carefully in the cable compartment.
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If the panel features a voltage indicator: disconnect the plug-and-socket connector of the unit (5).
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Remove the securing bolts of the truck carrier (6).
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First raise truck carrier on the front, then pull it out (7).
Figure 26
Removing the bottom plate of the
circuit breaker compartment
1 |
Securing bolts of the support |
2 |
Support (only for PIX 17 and 24) |
3 |
Insulating walls (only for PIX 17 and 24) |
4 |
Fastening the auxiliary switch block |
5 |
Plug-and-socket connector of voltage indicator |
6 |
Securing bolts of bottom plate of the circuit breaker compartment |
7 |
Raise truck carrier on the front and pull it out |
8 |
Slide for earthing switch actuation |
Re-install bottom plate of the circuit breaker compartment
Re-install the bottom plate of the circuit breaker compartment and dismantled components by reversing the above order. When screwing the truck carrier down, check that the slide (see Figure 26, 8) to open the insertion opening for the earthing switch operates smoothly. If necessary, release bolts and reposition the truck carrier.