Chapter 3 203
Assembly Replacement
Procedure 11. B1 Fan
Procedure 11. B1 Fan
Removal/Replacement
WARNING Always disconnect the power cord from the instrument before
beginning this replacement procedure. Failure to follow this
precaution can present a shock hazard which may result in
personal injury.
1. Remove the four screws securing the fan assembly to the rear frame.
2. Remove the fan and disconnect the fan wire from the A6 Power
Supply assembly.
3. To reinstall the fan, connect the fan wire to A6J3 and place the wire
into the channel provided on the left side of the rear frame opening.
Secure the fan to the rear frame using four panhead screws.
NOTE The fan must be installed so that the air enters through the front and
sides of the instrument and exits out the rear of the instrument.
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