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Operating Manual Xenotest
®
220/220+
6
Start up
6.3 Installing / removing the xenon lamp
WARNING – electrical shock!
Touching live parts can lead to life threatening elec-
trical shock. The lamp ignition of the instrument is
under high voltage. Disconnect the instrument from
the electrical power before installing/removing the
xenon lamp!
• Turn the instrument off at the ON/OFF switch
• Pull the electrical plug out of the receptacle and secure
against reconnecting
• Check whether the instrument is voltage free
CAUTION – danger of burns!
The components of the lamp unit get very hot and
can cause burns when they come into contact with
the skin. Let the components of the lamp unit cool
down sufficiently before changing the xenon lamp!
NOTE – handling the xenon lamp
Residue from finger marks can burn into the glass tubes
of the xenon lamp and cause uneven light radiation:
• Only hold the xenon lamp by the base
• Wear clean cotton gloves for assembly
6.3.1 Removing the xenon lamp
Fig. 21:
1. Remove the exhaust air channel adapter
1
or the
technical ventilation system.
2.
Lift up the exhaust air cover with connection nozzle
4
.
3. Lift intermediate tube
5
off the flange tube
7
and put
to one side. The intermediate tube is simply placed
on top, but is connected to the flange tube by a PE
conductor cable
6
.
4. Pull the contact socket
8
off the lamp.
5. Remove the lamp covering
9
.
6. Remove the filter assembly
3
up out of the exhaust
air shaft.
7. Lift the used xenon lamp
2
up and out of the lamp
socket carefully.
3
2
1
5
7
6
4
8
9
Fig. 21
