Agilent Technologies 4284A Service Manual page 28

DISASSEMBLY, TOP COVER REMOVAL
To gain access to the adjustment points, perform the following procedure.
1. Remove the two plastic instrument-feet located at the upper corners of the rear
panel.
2. Fully loosen the top cover retaining screw located at the back of the top cover.
3. Slide the top cover towards the rear and lift it off.
4. Loosen the five screws that secure the right hand side top shield plate. Yo u
don't have to completely remove the screws.
DO NOT REMOVE THE LEFT HAND SIDE TOP SHIELD PLATE ON WHICH WARN-
ING MESSAGE IS PRINTED EXCEPT FOR THE POWER SUPPLY ADJUSTMENT.
5. Slide the top shield plate towards the front and lift it off.
TO PROTECT AGAINST POSSIBLE ELECTRICAL SHOCK, USE INSULATED TOOLS
TO MAKE ALL ADJUSTMENTS.
WARNING]
[WARNING'
2-5
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