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System Maintenance
Maintenance checklist
Maintenance checklists for the spectrometer system are presented below.
Maintenance checklists for the burner system are presented in the Burner System
User's Guide and for the graphite furnace, cooling system, and the furnace
autosampler in the Graphite Furnace User's Guide.
General preventative maintenance procedures
Instrument
For safety reasons, and to avoid contaminating new samples, you should
and work area
make sure that the instrument and the work area are always absolutely clean.
This is especially important when you are working with toxic substances and
when you are measuring trace amounts of any elements.
Wipe up spills immediately before they can cause further contamination or
damage.
Before you leave the instrument standing idle for any period of time, make
sure that all the components are clean.
Fume
Make sure that the main fume ventilation system functions correctly. Always
ventilation
switch it on when you are using the instrument.
Environmen-
Make sure that the environmental conditions are as described in Chapter 6,
tal conditions
Laboratory Requirements.
Acetylene
Always change to a new acetylene cylinder when the cylinder pressure falls
cylinder
to below 600 kPa (6 bar; 87 psig) (more information: page 4-14).
Spectrometer, maintenance checklist
External
Wipe over the surfaces with a lint-free cloth moistened with a dilute solution
surfaces
of laboratory detergent.
The surfaces are resistant to dilute acids and alkalis, and to a lesser extent to
strong acids and alkalis and organic solvents.
Air filters
Fit new filters yearly or more often in a dusty environment
(procedure: page 4-10).
Atomizer
compartment
These windows do not normally require cleaning but if they become marked,
windows,
e.g., with fingerprints, you can clean them (procedure: page 4-5).
lamp end
windows
4-4
0993-5255
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