Summary of Maintenance Items:
Frequency* Maintenance item
Every 5 sampling days 1. Service water collector bottle
Monthly 1. Clean inlet surfaces
2. Check inlet screen for any clogging
Quarterly (every 3 months) 1. Inspect O-rings. Remove and lightly coat them with
Vacuum grease.
2. Clean impaction surface.
*Frequency may vary depending on climate, amount of particulate matter in the air, weather, and so on.
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