INFICON UL5000 Dry Helium Leak Detector - Manual (Page 91)

Maintenance works
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9.5 Maintenance groups
The maintenance plan for the UL5000 can be subdivided in 4 maintenance groups.
• 1500 hours maintenance
• 4000 hours maintenance
• 8000 hours maintenance
• 16000 hours maintenance
9.5.1 1500 hours maintenance
The 1500 hours maintenance can be performed by an operator or a maintenance
person.
The filter cell in front of the fans should be checked and replaced if dirty. By operating
under worth conditions, the maintenance rates can be appropriatly reduced.
Replace the silencer at the exhaust of the leak detector.
Notice: An obstructed silencer can lead to damaging the scroll pump
Work to be performed Required materials P/N
Check and/or replace filters
Replace silencer
• Spare filter cell for the fans
• Silencer for the exhaust
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