Maintenance
6-28 2715 Spectrum Analyzer Service Manual
Refer to Figure 6-- 10 for the following assembly procedurefor the fan:
1. Install the mounting spring s onto the replacement fan using two 6-32 Pozi-
driv screws (and nuts). Hand tightenonly.
NOTE. Observe the position of fan cable to mounting springs and screwlocations
to chassis.
2. Reconnect the fan connector.
3. Install the fan and mounting springs into therear chassis using the four
4-40 Pozidriv screws. Tighten each screw to 4 to 5 i nch-lbs torque.
4. Apply 8 inch-lbs torque to the two 6-32 mounting screws.
NOTE. Make sure that the fan floats freelyinside the rear chassis fan cutout.
If the fan housing touches any edge of the rear chassis, loosen the four (4)
4-40 mounting screws, recenter the fan, an d tighten each screw with 4 to
5 inch-lbs torque.
5. Install the fan shroud to the rearchassis using the two 4-40 nuts.
6. Reinstall the cabinet.