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Loosen the two thumbscrews on the bottom of the fan unit.
3.
CAUTION:
replacing the top fan unit because it might be higher than your shoulders and is heavy and
awkward to lift.
Pull the fan unit out toward you, and remove it from the MCS unit.
4.
To replace this component, see "Replacing the bottom fan unit (on page 45)."
Replacing the bottom fan unit
Align the fan unit to the sliding rails.
1.
CAUTION:
replacing the top fan unit because it might be higher than your shoulders and is heavy and
awkward to lift.
The fan unit weighs 16.8 kg (37 lb). Use extra caution when removing and
The fan unit weighs 16.8 kg (37 lb). Use extra caution when removing and
Removal and replacement procedures 45
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