Nortel Meridian 1 Hardware Replacement Manual page 183

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 23 on page 183). 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 24 on page 184). Lift off
the top cap.
Figure 23
Air exhaust grills in the top cap
Air exhaust grill
3 Remove the air probe harness:
a. Remove the screw that secures the perforated panel at the LED
mounting bracket.
b. Slide the perforated panel slightly to the left (looking at it from the
rear of the column). Lift the panel and turn it over.
c. Pull the air probe out of the clip holder (see Figure 25 on
page 184).
d. Clip cable ties that secure the air probe wiring. Be careful not to
damage other wiring (such as the thermostat harness).
e. Remove the orange connector from the right-angle bracket at the
top of the module. Simultaneously push the four small snaps (two
on each side) on the connector to release it from the bracket (see
Figure 26 on page 185).
Replacing equipment
Top cap
Air exhaust grill
Clips
Module
Page 183 of 250
553-5886
Hardware Replacement