126 User Information
Maintaining the Instrument
Maintenance Schedule
Table 8 lists routine maintenance activities that should reduce
unplanned repairs and maintenance. The appropriate
maintenance frequency for the instrument varies significantly
depending on the sample matrix, solvents, temperatures, and
sample throughput. Use Table 7 to determine the correct user
type.
Tabl e 7 General user types
Samples per day Low boiling solvents
(water, food, flavor analyses)
High boiling solvents
(OVI, blood alcohol analysis)
≤ 70 User type 1 User type 3
> 70 User type 2 User type 4
Tabl e 8 Recommended maintenance schedule
Maintenance activity User type 1 User type 2 User type 3 User type 4
Replace sample probe 6 months 3 months 3 months Every month
Steam clean 6 months 3 months 3 months Every month
Replace loop and
deactivated tubing
With PM With PM With PM 6 months
Check tray tension and
alignment
12 months 6 months 12 months 6 months
PM for headspace and
inlet
36 months 12 months 12 months --
Extended PM for
headspace
60 months 36 months 24 months 12 months
medium_standard.book Page 126 Tuesday, February 17, 2004 10:14 AM
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