Tools And Fasteners; Top Cover Removal - Agilent Technologies 4284A Service Manual

3-7. TOOLS AND FASTENERS

The 4284A's mechanical components are secured using metric threaded faseners. Many
faseners in the 4284A may appear to be Phillips type, but they are in fact, Pozidrive type. To
avoid damaging them, use only Pozid rive screwdrivers to remove or tighten Pozid rive type
faseners.
3-8. DISASSEMBLY
Disassembly procedures are given in the following parag raphs. The top cover removal p ro­
cedure is given first, and then the following paragraphs tell you how to remove each assem­
bly from the instrument.

3-8-1 . TOP COVER REMOVAL

The following procedures are common for gain ing access to any of the assemblies.
1 . Remove the two plastic instrument-feet located in the upper corn ers of the rear
panel.
2. Fully loosen the top cover retaining screw located at the rear
3 . Slide the top cover towards the rear and lift it off.
3-1 6
o
f the top cover.