-EN Rev. E Operating instruction SCK Gas Sampling System 163
Checking the condition of the system, cleaning the system
Check the condition of the gas sampling system at regular intervals; in the
event of safety-relevant defects, inform the responsible maintenance person-
nel. If you observe any unusual noises, follow the recommendations in
Errors
on page 215.
If necessary, submit the gas sampling system to rough cleaning. Special at-
tention should be given to the following:
dust under covers and in connection boxes
excessive dirt on the surface of the modules
excessive soiling of the runner in the probe retractor
heat exchanger cooling fins
daily
Always take the following safety measures when performing the work de-
scribed below:
Wear the general protective equipment.
Turn the service switch to
ON
and secure the service switch against un-
authorized switching (with a padlock).
Additionally press the EMERGENCY STOP switch.
Do not enter the danger area around the retractor until it is at standstill
and the warning lamps and buzzer are off and the shutter is closed.
Do not touch the gas sampling system until it has cooled down to 50 °C.
Do not approach the retracted probe until it has cooled down.
Always keep the floor around the gas sampling system clean and dry.
When performing any cleaning work:
Wear a dust mask when cleaning.
Wash any dust off the skin immediately with water and soap.
Ensure adequate ventilation of the work place.
Checking and cleaning the probe retractor:
If work is unavoidable in the area of the duct opening, lock the shutter
before commencing work and wear respiratory protection.
Avoid contact with lubricating oil.
Wash any lubricating oil off the skin immediately with water and soap.
If any lubricating oil gets in the eyes despite protective glasses, rinse
them thoroughly under running water, holding the eyelids open.
Observe instructions in the lubricating oil manufacturer's safety data
sheet.
Meaning
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