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16.2 CLEANING THE FINS OF THE CONDENSER
Dust on the fins of the condenser reduces the cooling capacity. Therefore it is necessary to clean the
fins from time to time. The following steps are recommended:
• Shut off the gas flow;
• disconnect the cooler from the power supply;
• disconnect sample gas inlet and outlet lines;
• Loosen the screws of the cover part and remove the cover;
• Carefully blow out the condenser fins with compressed air;
• Carefully remount the cover part;
• Connect sample gas lines
Do not mix up the hose connections; the inlet and outlet connections of
the heat exchangers are marked with arrows.
16.3 MAINTENANCE OF THE OPTIONAL MOUNTED PERISTALTIC PUMP(S), TYPE
SR25.2
Before the maintenance work is carried out, it is necessary hat the specific safety procedures pertaining
to the system and operational process are observed !
Dangerous voltage !
It is necessary to take the pump off the mains before any assembly,
maintenance and repair work is carried out !
Flexible tube, conveying belt, contact pulleys and contact springs are the only parts of the pump subject
to wear. They are simple to change.
16.3.1 MOUNTING INSTRUCTIONS FOR SR25.2 PERISTALTIC PUMP (OPTIONAL)
Make sure to mount the pump to the front of the cooler with a minimum distance of 3.5 mm [0.138”] and
a maximum distance of 5.5 mm [0.216”] between the pump motor and the front panel. The minimum
distance avoids damages to the pump motor and the maximum distance prevents the motor shaft from
getting loose.
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