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Operating manual SUNTEST XLS / XLS+
9
Cleaning / Consumables
9.1 Cleaning
WARNING - Pull out the power plug:
Coming in contact with live parts can result in a fatal
electrical shock. For all cleaning work, set the ON (I)
/ OFF (0) switch to the “OFF (0)” position and pull
out the power plug. Secure the power plug against
getting inserted again.
9.1.1 Outer surfaces and operating elements
Wipe the equipment with a mild soap solution (washing
agent) and a soft cloth.
9.1.2 Reflector
To ensure uniform illumination of the test chamber, the
reflector has to be kept clean.
CAUTION - Damage to the reflector:
The reflecting coating of the test chamber walls is
sensitive to scratches.
Do not use any solvents, or any rough or hard clean-
ing agents for cleaning the reflector.
Procedure:
Wipe the reflector with a soft cloth that has been moi-
stened with the usual commercially available washing
agents and rub dry till it is free from streaks.
9.1.3 Radiation system
The components of the radiation system must be clea-
ned at least every half-year. The radiation unit must be
dismantled in the opposite sequence to that described in
chapter 6.2, “Assemble the radiation system”.
Optical filters:
• Clean the optical filters with a soft leather cloth or brush
before installing them.
• Carefully wipe the optional filter “UV-special glass” with
a starchless cloth that has been moistened with 20%
citric acid solution.
Xenon lamp:
• In the cold state, clean the Xenon lamp with a starch-
free cloth that is moistened with a little spirit.
Reflecting mirror:
• Clean the reflecting mirrors, before mounting, with a
soft leather cloth or a brush.
9.1.4 Air Filter
CAUTION - Damage to the equipment:
The reflector and the radiation system are dust-sen-
sitive. Unfiltered cooling air will adversely affect the
functioning of the equipment.
The air filters must be cleaned half-yearly.
The air filters must always be installed during opera-
tion.
Procedure:
• Remove the filter mat from the filter opening on the
rear side of the equipment.
• Beat the dirty filter mat or wash it with lukewarm wa-
ter and some mild soap solution (washing liquid).
If the filter mat is particularly dirty, replace it (for cata-
log no., see chapter 9.2, “Spare parts”).
• Let the filter mat dry and insert it in the filter opening
again with the soft layer on the outside.