Tait TB9100, Installation And Operation Manual

Page: 82 / 144

82 Replacing Modules TB9100 Installation and Operation Manual
© Tait Electronics Limited May 2006
Note
If you need to remove any front panel cables, simply pull the front
of the cable retaining clip down and then slide it out from the
subrack until it reaches the end of its travel.
3. Carry out the instructions in “Final Reassembly” on page 88 .
7.7 Replacing the Front Panel Fans
Unless otherwise indicated, the following instructions refer to Figure 7.1 on
page 84 .
Removal
1. If you have not already done so, carry out the instructions in
“Preliminary Disassembly” on page 75 .
2. PA Fan
a. Remove the four screws labeled
b
and remove the duct and fan
assembly from the front panel.
b. Unplug the fan from the fan contact board
c
.
c. Remove the fours screws holding the fan into the duct
d
and
remove the fan.
3. PMU Fan
a. Remove the PA fan/duct assembly as described above.
b. Remove the two screws labeled
e
and remove the PMU fan/duct
assembly.
c. Unplug the fan from the fan contact board
f
.
d. Remove the fours screws holding the fan into the duct
g
and
remove the fan.
Refitting
1. Fit the replacement fan into the duct with the power wires located in
the slot in the side of the duct
h
.
2. Refit the four screws securing the fan into the duct. Do not
overtighten these screws or you will distort the fan body.
3. PMU Fan
a. Refit the PMU fan/duct assembly onto its mounting bosses. Note
that the two inner mounting tabs
i
fit over the bosses.
b. Plug the fan into the fan contact board
f
and route the wires
around the PA fan opening
j
.
c. Refit the two screws labeled
e
.
d. Refit the PA fan as described below.
4. PA Fan
a. Plug the power wires into the fan contact board
c
and route the
wires around the PA fan opening
j
.
b. Refit the PA fan/duct assembly onto its mounting bosses. Note