A
LPHA
PID S
IGN
I
NSTALLATION
AND
M
AINTENANCE
M
ANUAL
(PN 1260600601 R
EV
.
B
)
6-13
Maintenance
6
R
EPLACE
THE
FAN
Replace the fan
Tools you will need
•
3/8 inch socket or wrench
1. Turn off power. For instructions, see “Turn off power” on page 6-3.
2. Locate the fan.
3. Remove the nuts that secure the fan bracket to the sign enclosure.
4. Remove the screws that secure the fan to the bracket. Disconnect the wires.
Install the replacement fan
1. Insert the replacement fan into the bracket. Insert and tighten the nuts. Reconnect the wires.
2. Reattach the fan bracket to the sign enclosure. Tighten the screws.
3. Position the circuit breaker switch to the ON position.
Remove these nuts.
Remove these screws.
Disconnect these wires.
Summary of Contents for Adaptive Alpha Premier
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