Nokia 7360 Intelligent Services Access Manager FX Series Hardware Installation Manual page 256

Installing a 7360 ISAM FX-8 shelf
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Procedure 53
The fan filter must be replaced each 3 to 6 months, depending on the amount of dust in the CO).
Use the following procedure to replace the fan filter. See the 7360 ISAM FX Product Information
Guide for information on orderable part numbers.
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Install the new fan unit:
i Gently insert the fan unit into the fan area until the backplane connectors are fully
mated.
ii If a fan filter was installed, re-insert the fan filter.
iii Replace the fan unit cover and secure the cover and the fan unit by tightening the
captive screws.
In the same way, install the fan units of other shelf units, if any.
Install a fan filter in the fan unit of each shelf or replace the filter, if required (each 3 to 6
months, depending on the amount of dust in the CO).
See the 7360 ISAM FX Product Information Guide for information on orderable part
numbers.
STOP. This procedure is complete.
To replace a fan filter
Unpack and inspect the fan filter visually for physical damage.
If anything is missing or damaged, notify the transportation carrier and Nokia immediately.
Photograph all the damaged equipment. Keep all the inspection and packing documents as
a reference.
Warning — Possibility of equipment damage.
Do not install damaged equipment, as it can adversely affect other
equipment.
Put on the antistatic wrist strap and connect it to a grounding point.
Loosen the captive screw of the fan cover; see Figure 135.
Gently remove the fan unit.
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ANSI Hardware Installation Manual
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Issue: 09