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Before starting
You can perform much of the maintenance required by your MSD. For your
safety, read all of the information in this introduction before performing any
maintenance tasks.
Some parts of the MSD require regularly scheduled maintenance
Common maintenance tasks are listed in Table 4. Performing these tasks
when scheduled can reduce operating problems, prolong system life, and
reduce overall operating costs.
Keep a record of system performance (tune reports) and maintenance
operations performed. This makes it easier to identify variations from nor-
mal operation and to take corrective action.
Table 4 Maintenance schedule
Task Every
week
Every
6 months
Every
year
As
needed
Tune the MSD ✓
Check the foreline pump oil level ✓
Check the calibration vial ✓
Replace the foreline pump oil
1
✓
Check the diffusion pump fluid ✓
Clean the ion source ✓
Check the carrier gas trap(s) on the GC ✓
Replace the worn out parts ✓
Lubricate sideplate or vent valve O-rings
2
✓
1 Every 3 months for CI MSDs using ammonia reagent gas.
2 Vacuum seals other than the side plate O-ring and vent valve O-ring do not need to be
lubricated. Lubricating other seals can interfere with their correct function.
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