Removal and Installation Procedures
4--22 WFM700 Series Waveform Monitors Service Manual
The fans are mounted to a subchassis of the instrument. You do not need to
remove the fans to remove fan chassis. If you need to remove the fans, perform
this procedure. If you need to remove the fan assembly (to gain access to the
Main board), go the Fan Assembly procedure.
The following removal procedures must be performed before removing either of
the fans:
HChassis Cover
HFront Panel Assembly
Read the entire removal procedure before proceeding.
1. Remove the four screws (T-15) securing each fan to the fan chassis.
2. Unplug the fan connector/s from the Main board and lift the fan out.
To reinstall the fans, read this entire reinstallation steps before proceeding.
CAUTION. The fans must be mounted to the chassis such that the airflow is
toward the rear of the instrument.
1. Install the four screws (T-15) securing the fan to the fan chassis. The airflow
arrow must point toward the rear of the instrument.
2. Plug the keyed fan connector/s to the Main board.
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