Disassembly 3-5
2. Remove the display board from the front panel.
Removingmechanicalcomponents
The following procedures to remove the fan and line filter require that the case cover, front
panel, and digital and analog circuit boards have been removed, as previously explained.
Fanremoval
Perform the following steps to remove the fan:
1. Remove the four screws that secure the fan to the rear panel.
2. Remove the fan from the chassis.
Linefilterremoval
To remove the line filter, squeeze the latches on either side while pushing the line filter from
the access hole on the rear panel.
Instrumentre-assembly
Re-assemble the instrument by reversing the previous disassembly procedures. Make sure
that all parts are properly seated and secured, and that all connections are properly made.
WARNING To ensure continued protection against electrical shock, verify that power
line ground (green and yellow wire attached to the line filter module) is con-
nected to the chassis. Also make certain that the two bottom case screws are
properly installed to secure and ground the case cover to the chassis.
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