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

3-7. TOOLS AND FASTENERS

The 4284A's mechanical components are secured using metric threaded faseners. M a n y
faseners in the 4284A may appear to be Phillips type, but they are in fact, Pozidrive type. To
avoid damaging them, use only Pozidrive screwdrivers to remove or tighten Pozidrive type
faseners.

3-8. DISASSEMBLY

Disassembly procedures are given in the following paragraphs. T h e top cover removal pro-
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 gaining access to any of the assemblies.
1. Remove the two plastic instrument-feet located in the upper corners of the rear
panel.
2. Fully loosen the top cover retaining screw located at the rear of the top cover.
3. Slide the top cover towards the rear and lift it off.
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