394 Keysight NFA Series Noise Figure Analyzers Service Guide
Assembly Replacement Procedures
Instrument Outer Case
Figure 15-3 Standard Instrument Outer Case Removal
Replacement
1. Disconnect the instrument from ac power.
2. Slide the instrument cover back onto the deck from the rear. The seam on
the cover should be on the bottom. Be sure the cover seats into the gasket
groove in the Front Frame Assembly.
3. Replace the four rear feet to the rear of the instrument (two on each side).
Torque the rear feet screws to 21 inch pounds.
4. Replace the handle straps on both sides of the instrument. Torque the
handle strap screws to 21 inch pounds.
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