Chapter 6: Replacing Assemblies
To remove and replace a fan
135
To remove and replace a fan
Use this procedure to remove and replace a fan. When necessary, refer to other removal
procedures The graphics in this chapter are representative of the oscilloscope at the
time of this printing. Your unit may look different.
WARNING AVOID INJURY!
The fan blades are exposed both inside and outside the chassis. Disconnect the power
cable before working around the fan. Failure to observe these precautions may result
in injury.
Use this procedure to remove and replace the fans. When necessary, refer to other
removal procedures.
1
Disconnect the power cable and remove the top and bottom covers.
2 Disconnect the fan cable from the fan control board. See Figure 6- 34.
3 Remove the four Torx T20 fan screws securing the fan to the chassis.
Figure 6-35
Removing fan fasteners
CAUTION AVOID OVERHEATING THE OSCILLOSCOPE!
When replacing the fan, be sure the direction of the fan air flow is coming from the
inside to the outside of the oscilloscope. Check the flow arrows on the fan and check
for proper flow once power is applied to the oscilloscope. Improper air flow can overheat
the oscilloscope.
4
To install the fan, reverse this procedure.
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