Replacing The Epc Cooling Fan - Agilent Technologies 7820A Service Manual

Agilent 7820 GC Service
197
Remove the top rear cover by pressing in on the side retaining
clips and lifting off.
Disconnect its cable from the GC wiring harness.
Remove the fan from its clips.
In reassembly, make sure the label side of the fan faces upwards
(flow must be in the upwards direction). Also, the cable should
exit nearest its connector on the GC wiring harness.

Replacing the EPC cooling fan

1 Cool down the oven.
Turn off the GC main power switch and disconnect its power
cord.
Hazardous voltages are present in the
mainframe when the GC power cord is connected.
Avoid a potentially dangerous shock hazard by
disconnecting the power cord before removing
any GC panels.