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6.
Remove the four screws that retain the left guide mounting bracket and remove the left guide
mounting bracket.
7.
Remove the seven screws that hold the rear shield to the backplane and remove the rear
shield.
8.
Remove the seven screws that hold the backplane and remove it.
Replacement
Replace the backplane by reversing the removal procedure.
Caution
I
When you reconnect the wires to the line filter, be sure you connect the
white wire to the top lug, the black wire to the bottom lug, and the green
wire to the casing.
Line Filter
Removal
Remove the line filter as follows:
1.
Make sure the power switch is set to OFF and disconnect the power cord. If battery backup
is installed, set the Battery Enable switch to DISABLE.
2.
Remove the fan panel and line filter connectors, as described previously.
3.
Remove the four screws and washers that retain the line filter and remove the line filter.
Replacement
Replace the line filter by reversing the removal procedure. When you reconnect the wires to the
line filter, be sure you connect the white wire to the top lug, the black wire to the bottom lug, and
the green wire to the casing.
Service
3-15
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