Technical data

Chapter 14 14-3
Assembly Replacement and Post-Repair Procedures
Replacing an Assembly
Replacing an Assembly
The following steps show the sequence to replace an assembly in the analyzer.
1. Identify the faulty group. Refer to Chapter 4 , “Start Troubleshooting Here.” Follow up
with the appropriate troubleshooting chapter that identifies the faulty assembly.
2. Order a replacement assembly. Refer to Chapter 13 , “Replaceable Parts.”
3. Replace the faulty assembly and determine what adjustments are necessary. Refer to
the information in this chapter.
4. Perform the necessary adjustments. Refer to Chapter 3 , “Adjustments and Correction
Constants.”
5. Perform the necessary performance tests. Refer to Chapter 2 , “Performance Tests.”
WARNING These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you
are qualified to do so.
WARNING The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING The power cord is connected to internal capacitors that may remain
live for 10 seconds after disconnecting the plug from its power
supply.
CAUTION Many of the assemblies in this instrument are very susceptible to damage
from ESD (electrostatic discharge). Perform the following procedures only at
a static-safe workstation and wear a grounding strap.