Cleaning Of Air/Oil Cooler - Kongsberg Frydenbo IRV-2 Maintenance Manual

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Maintenance Manual
WARNING
When cleaning the exterior of the cooler, for instance using water, be aware of the electric
motor protection standard.
The manufacturers are not to be held responsible for any consequences due to
inside cleaning of the pump.
1.
Ensure all power is disconnected.
2.
Clean the air fins of the matrix by blowing through with
compressed air. If using a high-pressure washing system,
point the jet perpendicular to the air fins, as illustrated.
3.
Make sure the system is depressurized and disconnect the
hydraulic pipes from the cooler matrix.
4.
Loosen the screws with washer [1] fixing the cooler matrix to
the fan housing, as illustrated.
5.
Remove the cooler matrix.
6.
Clean the inside of the fan housing by using compressed air,
blow with compressed air from the electric motor side
through the fan guard.
7.
Refit the cooler matrix to the fan housing by fastening the
screws with washer [1].
8.
Connect the flexible hydraulic hoses to the cooler matrix.
9.
Connect the electric motor power supply.
KONGSBERG PROPRIETARY. This document and its accompanying elements contain KONGSBERG
information which is proprietary and confidential. Any disclosure, copying, distribution or use is prohibited if not
otherwise explicitly agreed with KONGSBERG in writing. Any authorized reproduction, in whole or in part, must
include this legend. ©2022 KONGSBERG - All rights reserved.

Cleaning of Air/Oil Cooler

The Air/Oil cooler can be hot during operation. Make sure that the Air/Oil cooler
is cool before touching.
There is a warning label fitted to the air oil cooler at delivery, high temperature
surface, use ear defenders, rotating fan. Always replace a damaged or missing
label.
The fan can generate static electricity by air friction. Do not put sensitive
equipment (electronics etc.) in the immediate vicinity of the cooling system.
Note!
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