To remove and replace the fan
1Using previous procedures, remove the following assemblies:
Handle
Rear Feet
Cover
Disk Drive
Power Supply
Rear Panel
2Disconnect the fan cable from the main circuit board.
3Remove the four fan screws.
4Lift the fan away from the rear panel.
5Lift the fan guard away from the rear panel.
6Reverse this procedure to install the fan.
When installing the fan, verify the correct orientation of the fan. If you mount the fan
backwards, the instrument will overheat. Also, check the correct polarity of the fan cable.
To remove and replace the line filter
1Using previous procedures, remove the following assemblies:
Handle
Rear Feet
Cover
Disk Drive
Power Supply
Rear Panel
2Unsolder the ground wire from the lug on the rear panel.
3Disconnect the line filter cable from the power supply.
4Remove the two screws attaching the line filter to the rear panel.
5Slide the line filter assembly out toward the rear.
6Reverse this procedure to install the line filter.
Replacing Assemblies
To remove and replace the fan
6–12