Nt8D46Am, Nt8D46Dc Air Probe Harness - Nortel Meridian 1 Replacement Manual

Page 186 of 362

NT8D46AM, NT8D46DC Air Probe Harness

553-3001-520 Standard 16.00 April 2000
Replacing equipment
Use this procedure to replace the air probe harness located in the top cap of
each column.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Removing equipment
1 Disconnect the air probe harness plug:
a Remove the rear cover on the module below the top cap.
b Remove the I/O safety panel over the backplane.
c At the top of the rear of the module, disconnect the orange connector
from the module power harness.
2 Remove the top cap:
a Remove air exhaust grills at the front and rear of the top cap (see
Figure 24). Pull forward on the two clips underneath the front edge
of each grill and lift up to remove the grill.
b Use a 5/16" socket wrench to remove the six bolts that secure the top
cap and perforated panel (see Figure 25). Lift off the top cap.
Figure 24
Air exhaust grills in the top cap
Air exhaust grill
WARNING
Top cap
Air exhaust grill
Clips
Module
553-5886