7 Maintenance
This chapter gives instructions on all maintenance work to be performed in order to keep the instru-
ment in good working condition.
WARNING
All maintenance and repair work requiring the opening or removal of instrument covers may only be
carried out by trained personnel and with the tools provided for this purpose.
WARNING
Electrical hazard:
• Prior to all maintenance work on the instrument switch off the power supply and remove all
sources of flammable vapor.
ATTENTION
Always wear personal protective equipment such as protective eye goggles, protective clothing and
gloves when maintaining the instrument.
Check the instrument for proper operation after any repair work.
7.1 Housing
Check the housing for defects (switches, plugs) and clean it regularly with a damp cloth.
ATTENTION
Never use solvents (acetone) as cleaning agents as these might damage the instrument.
7.2 Hoses and hose connections
Check the hoses and hose connections for defects (cracks, brittle areas) and replace damaged hoses
immediately.
7.3 Glass parts
Visually inspect all glass parts for defects (cracks, stars, and splintering) regularly.
The glass parts should be cleaned using common commercial cleaners (for example, mild soap solu-
tions). Dirt that is stuck to the condenser spirals (for example, algae build-up) should be removed
using an appropriate cleaner (you may eventually need to let the parts soak for a while).
After the parts have been cleaned and are completely dry, you should visually inspect the glass parts
for cracks and chipping.
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