Nt8D52Ab, Nt8D52Dd Pedestal Blower Unit - Nortel Meridian 1 Hardware Replacement Manual

NT8D52AB, NT8D52DD Pedestal Blower Unit

Use this procedure to replace a blower unit.
Removing equipment
1 Remove the front pedestal grill and set it aside. Figure 28 on page 187
shows the blower unit and its location in the front of the pedestal.
Figure 28
NT8D52 Blower Unit
2 Turn off power to the blower unit:
— With AC power, set the circuit breaker on the front of the unit to
OFF (down).
— With DC power, set the toggle switch on the front of the unit to
OFF (left).
DANGER
Impellers in the blower unit do not stop instantly
when the power is turned off. Wait two full minutes
before you remove the unit.
3 Loosen the two screws on the front of the blower unit by turning them
counterclockwise.
Replacing equipment
Hardware Replacement
Page 187 of 250