990 CLD Autoline™ Leak Detector
DR
AFT 2/2/04
4-3
Daily Maintenance
Leak Detector Sensitivity Check
❑
Perform the calibration check and tuning adjustments.
❑
If specifications cannot be met, call a Vacuum Technologies Service Representative.
Annual Maintenance – Complete Overhaul
After prolonged use, the leak detector accumulates contaminants from even the cleanest of
products tested. These contaminants eventually impair operation but a thorough
disassembly and cleaning of the spectrometer tube restores normal operation.
The three procedures given in “As-Required Maintenance”, if done annually for a leak
detector in daily use, prevent deterioration and sustain a high level of performance. For
heavy production use, more frequent overhauls may be needed. In most cases, this work is
done by user maintenance personnel, but it can also be done by Vacuum Technologies
under the terms of a service contract.
The following tools and parts are required for the overhaul:
Tools:
❑
Screwdrivers (regular and Phillips}
❑
9/16” open-end wrench
❑
Retaining ring pliers
Parts:
❑
Ion Source
❑
O-rings
❑
Freon
❑
Methanol
❑
Lint-free cloth
❑
Scotchbrite™* abrasive metal finishing pads. Do not use crocus cloth.
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