GAI-Tronics 12823-001 IS Barrier Replacement Kit for Ex d ib ICS Stations - Manual (Page 2)

Pub. 42003-252A
M ODEL 12823-001 IS B ARRIER R EPLACEMENT K IT FOR E X d ib ICS S TATIONS Page: 2 of 3
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Removing the Old Handset Safety IS Barrier Assembly PCBA
1. Remove all cover bolts from the enclosure. Swing the front door open to access the internal printed
circuit board assemblies (PCBAs).
2. Disconnect the connection between the Handset IS Barrier and the Main PCBA on the front cover.
Remove the two screws holding the handset barrier assembly to the front cover. Set the screws aside
for re-assembly. See Figure 1.
3. Disconnect the four handset wires from the IS Barrier assembly and make note of the connection
locations.
Figure 1.