
Replacing Assemblies 6
16800 Series Portable Logic Analyzers Service Guide 145
92 mm fans
1 Perform previous procedures:
• “To prepare the instrument for disassembly" on
page 116.
• “To remove and replace the cover" on page 118.
• “To remove and replace the front panel assembly" on
page 125.
• “To remove and replace the tray assembly" on
page 143.
2 Disconnect the fan cable for the fan you are replacing
from the fan cable assembly. If replacing all fans,
disconnect the fan cable assembly from the module
interface board.
3 Using a Torx T25 screwdriver, remove the 4 screws
securing the fan to the rear of the chassis.
4 Reverse this procedure to replace the fan(s).
T-25
screws
(4)
Fan cable
assembly
Module
interface board
Fan cable
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