Fig. 63 Cleaning the cooler/ radiator.
1 Front end of machine, sound insulation
(radiator grill) removed
2 Direction of impacting water or steam jet
(from outside to inside).
3 Compressor oil cooler
4 Turbo air cooler (engine)
5 Radiator (engine)
Cooler cleaning
1. Seal off the air intakes of the engine and compressor air filters before starting cleaning.
2. Remove the sound damping louver in front of the cooler/radiator.
3. Clean the cooling fins with compressed air, water or steam jet in the opposite direction to the
cooling air flow (from inside to outside).
4. Replace the sound damping louvre.
5. Remove the protective coverings from the air filters.
6. Reconnect the batteries negative terminals.
7. Close the doors.
8. Start the machine and run up to operating temperature so that excess water is evaporated.
Check the cooler for leaks
1. Open both doors.
2. Visually inspect for leaks. Does oil/cooling water flow out?
Is a cooler leaking?
➤ Have the defective cooler repaired immediately by KAESER Service.
➤ Close the doors.
Clean the cooler/radiator only in a washing area equipped with an oil separator.
10.5.2 Option da, db, dc, dd
Cleaning the compressed air aftercooler
The compressed air aftercooler is located near the air treatment devices.
10 Maintenance
10.5 Clean cooler/radiator
126
Service manual Portable compressor
M122
No.: 9_6974 20 E
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