10.7 Cleaning the cooler
The frequency of cleaning is mainly dependent on local operating conditions.
Severe clogging of the coolers causes overheating and machine damage.
Check coolers regularly for clogging.
Avoid creating dust swirls. Wear breathing protection if necessary.
Do not clean the coolers/radiators with a sharp instrument as they may be damaged.
A severely contaminated cooler/radiator should be cleaned by KAESER SERVICE.
Material Compressed air
Breathing mask (if necessary)
Water or steam jet blaster
Precondition The machine is placed over a washing station equipped with an oil separator.
The machine is switched off.
The machine has cooled down.
The machine is fully vented, the pressure gauge reads 0 psig.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is turned off.
Damage can be caused to the machine by water or steam jets!
Direct water or steam jets can damage or destroy electrical components and display instru‐
ments.
➤ Cover up electrical components such as the control cabinet, generator, starter and dis‐
play instruments.
➤ Do not direct water or steam jets at sensitive components such as the generator, starter
or indicating instruments.
➤ Deploy the extension pole of the pressure washer at a distance of at least 20 inches and
at an approximate 90° angle to the cooler/radiator surface.
➤ Remove both front panels.
10.7.1 Cleaning the compressor cooler and engine radiator
The compressor oil cooler and engine coolant radiator are arranged one beneath the other in a sin‐
gle cooler block.
10 Maintenance
10.7 Cleaning the cooler
144
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE
