Chapter 4 167
Assembly Replacement
Before You Start
Before You Start
Before starting to disassemble the instrument:
❏ Check that you are familiar with the safety symbols marked on the
instrument, and read the general safety considerations and the
safety note definitions given in the front of this guide.
❏ The instrument contains static sensitive components. Read the
section entitled “ESD Information” on page 15.
WARNING The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the product from all voltage
sources while it is being opened.
WARNING The instrument contains potentially hazardous voltages. Refer
to the safety symbols on the instrument and the general safety
considerations at the beginning of this service guide before
operating the unit with the cover removed. Failure to heed the
safety precautions can result in severe or fatal injury.
Service tools you will need
Figure 4-1 TORX Tool
After an instrument repair
If one or more instrument assemblies have been repaired or replaced,
perform the related adjustments and performance verification tests.
Refer to Table 1-5 on page 61 for the related adjustments and
performance verification tests required for each assembly.
Description Agilent Part Number Description Agilent Part Number
TORX Hand Driver -
Size T10
8710-1623 flat blade screwdriver -
0.01 in. thick blade
8730-0008
TORX Hand Driver -
Size T15
8710-1622 9/16” nut driver
(or open-end wrench)
8720-0008
TORX Hand Driver -
Size T20
8710-1615 snap ring tool NA
Pozidriv screwdriver - #1 8710-0899