Fig. 22 Filter mat for the air and oil cooler
1 Filter mat
Cleaning the cooler and radiator
A filter mat helps to keep the cooler clean. Despite this fact, the cooler will clog over a period of
time.
Do not use sharp objects to clean the cooler. It could be damaged.
Avoid creating clouds of dust.
1. Carefully remove the filter mat from the retaining frame.
2. Dry brush the oil and air coolers and use a vacuum cleaner to suck up the dirt.
3. Carefully insert the filter mat in the retaining frame.
The air and oil coolers can no longer be properly cleaned?
➤ Have stubborn clogging removed by an authorized KAESER SERVICE technician.
Checking the cooler for leaks
➤ Carry out visual inspection: Did cooling oil escape?
Is a cooler leaking?
➤ Have the defective cooler repaired immediately by a KAESER SERVICE technician.
10.6 Option W2/W3
Maintain the heat recovery system
Deposits in the heat exchanger can significantly reduce its capacity to transfer heat.
Check the heat exchanger regularly for leaks and contamination. Frequency of checking is depend‐
ant on the characteristics of the heat transfer medium.
Pressure in the cooling oil circuit is generally higher than that in the heat recovery system. If a leak
occurs, oil will run into the heat-receiving medium. Increased cooling oil loss can indicate a leaking
heat exchanger.
Precondition Cut-off the electrical power supply via the power supply isolating device,
ensure that the device is locked off,
verify the absence of any voltage.
10 Maintenance
10.6 Maintain the heat recovery system
901824 12 E
Operating Manual Screw Compressor
ASK
65
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