Maintenance and Troubleshooting
21
Filter Replacement
1�
Turn off the intake fan breaker.
2�
Slide the filter out of the filter brackets.
3�
Slide a new filter into the filter brackets.
Fan Replacement
1�
Open the service doors to the SCP and the failed ventilation fan.
2�
Turn off the intake fan breaker and unplug any electrical connections.
3�
Remove the screws connecting the fan to the fan bracket.
4�
Remove the failed ventilation fan.
To replace the ventilation intake fan, follow the previous steps in reverse order.
Traffic Cabinet Maintenance
Traffic Cabinet Fan and Thermostat Assembly Replacement
1�
Open the panelboard and turn off the circuit breaker supplying power to the fan and
thermostat assembly.
2�
Disconnect the fan’s power cord.
3�
Remove the hardware securing the finger guard and fan to the assembly bracket
and remove the fan.
4�
Attach the new fan to the bracket and secure it using the hardware removed in
Step 3
. Note the air flow orientation when attaching the new fan.
5�
Reconnect power to the fan.
Traffic Cabinet Light Replacement
1�
Turn off the circuit breaker that powers the light.
2�
Remove the 4 screws.
3�
Disconnect the wires.
4�
Attach the new light assembly.
5�
Restore power and test the light.
LIE Maintenance
To replace an LIE light:
1�
Turn off the circuit breaker that powers the light.
2�
Remove the lamp cover and lamp.
3�
Insert a new lamp into the assembly and replace the cover.
4�
Restore power and test the light.