32
Operating Instructions Xenotest
®
150 S+
6.4 Filter replacement
WARNING - Electric shock!
Contact with voltage-carrying components may cause a lethal
electric shock. The irradiator ignition system is under high voltage.
Prior to removing / installing the xenon lamps, disconnect the in-
strument from the power supply system!
• Switch the instrument off using the ON/OFF switch.
• Disconnect the mains plug from the socket and protect it from acci-
dental reconnection.
• Check to see if the instrument is de-energized.
CAUTION - Risk of burns!
The components of the irradiation unit reach extremely high tem-
peratures; contact with skin may cause burns.
Prior to replacing the xenon lamp, allow the irradiation unit com-
ponents to cool down sufficiently!
NOTE - Handling the filter plates:
Residues from finger contact may burn into the filter plates glass
tube and cause uneven irradiation.
Always wear clean cotton gloves when handling filter plates.
Filter lantern removal:
1. Remove the exhaust air components (refer to Section 6.3).
2. Carefully pull the filter lantern up and out of the exhaust duct. Be careful not to
damage the xenon lamp.
Note - Xenon lamp:
To replace the filters, the xenon lamp does not need to be remo-
ved.
6 Start-up
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