Access to the Cable Compartment from Front Side

To access the cable compartment from front side (AFL):

Opening of Cable Compartment Door

To open the cable compartment door:

Release the securing bolts (2) on the cable compartment (1) with standard double-bit key. Refer to Figure 44.
Swing the cable compartment door (3) to open it.
The cable compartment is now accessible from the front.

Figure 44
Access to Cable Compartment

1	Cable compartment
2	Securing bolts
3	Cable compartment door

Removal of Fuse, VT, and Surge Arrester from 12/17.5 kV Cubicle

Removal of Fuse

Press the fuse lock (1) , and pull the fuse (2) upwards.
Remove the fuse (2). Refer to Figure 45.

NOTE: Follow the steps in the reverse order to assemble the fuse.

Removal of VT

Unscrew the M10 screws (4) and remove the washer (5) provided on the mounting plate (6) on the either side of VT (7). Refer to Figure 45.
Remove the fuse lock (2) from fuse connection copper bar (3) and VT connection copper bar (8).
Remove the VT (6).

NOTE: Follow the steps in the reverse order to assemble the VT.

Figure 45
Removal of Fuse and VT 12/17.5 kV

1	Fuse lock	5	Washer
2	Fuse	6	Mounting plate
3	Fuse connection copper bar	7	VT
4	M10 screws	8	VT connection copper bar

Removal of Surge Arrester Assembly

Unscrew the M12 screws (4) provided on both sides. Refer to Figure 46.
Remove the terminal copper bar (2) from the VT connection copper bar (1).
Remove the surge arrester (3). Refer to Figure 46.

NOTE: Follow the steps in the reverse order to assemble the surge arrester.

Figure 46
Removal of Surge Arrester Assembly 12/17.5 kV

1	VT connection copper bar	3	Surge Arrester
2	Terminal copper bar	4	M12 Screws

Removal of Fuse, VT, and Surge Arrester from 24 kV Cubicle

Removal of Fuse

Press the snap lock (1) of the fuse box, and pull it upwards.
Remove the fuse (2). Refer to Figure 47.

NOTE: Follow the steps in the reverse order to assemble the fuse.

Removal of VT

Unscrew the M10 screws (3) and remove the washer (4) provided on the mounting plate (5) on the either side of VT (6). Refer to Figure 47.
Unscrew fixed VT connection copper bar (7) to the CT-VT connector (8) to access the VT.
Remove the VT (6).

NOTE: Follow the steps in the reverse order to assemble the VT.

Figure 47
Removal of Fuse and VT 24 kV

1	Snap lock	5	Mounting plate
2	Fuse	6	VT
3	M10 screws	7	VT connection copper bar
4	Washer	8	CT-VT connector

Removal of Surge Arrester Assembly

Unscrew the M10 screws (1) provided on both sides. Refer to Figure 48.
Remove the terminal copper bar (2) from the VT connection copper bar (1).
Remove the surge arrester (2). Refer to Figure 48.

NOTE: Follow the steps in the reverse order to assemble the surge arrester.

Figure 48
Removal of Surge Arrester Assembly 24 kV

1	VT connection copper bar	3	Surge Arrester
2	Terminal copper bar	4	M10 Screws

After removing the fuse, VT, and surge arrester the cable compartment is fully accessible.

Closing the Cable Compartment Door

NOTE:

Ensure that all components (fuse, VT, surge arrester) that were removed to access the cable compartment are properly reinstalled
.
Close the cable compartment door before switching OFF the E/S.

After completing assembly work, Close the cable compartment door (1) and lock the securing bolts (2) with standard double-bit key. Refer to Figure 44.