21
Day 4
10. Maintenance
Describe the maintenance of the instrument using section 8.Maintenance
of the Operation
Guide.
Points to Explain to the Customer
Precautions to take during maintenance work
Filament replacement procedure
How to mount and dismount the ion source (Emphasize that the screws at the left must be
tightened first when mounting the ion source.)
How to conduct leak checks
Maintenance of the INJ unit
Maintenance Schedule Guidelines
The period of maintenance for contamination varies significantly with the analyzed samples,
sample concentrations, and analysis frequency. The schedule below is presented as a
rough guide only.
Ion-source box 3 to 6 months
Lens assembly 1 to 2 years
Pre-rod 2 to 3 years
Main rod 3 to 5 years
Detector 2 to 3 years
RP 15,000 hours (overhaul recommended)
(Replace oil every 3,000 hours)
TMP 25,000 hours (overhaul recommended)
This is a guide only. Use it to plan scheduled maintenance.
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