Venting - Kongsberg Frydenbo IRV-2 Maintenance Manual

Maintenance Manual
1. Start the pump unit not connected to the leakage pipe by turning
the selector switch on the corresponding motor controller to
position 3 "LOCAL CONTROL".
2. While the pump is idling, open the venting plugs [1] one at a time
and evacuate all air. Close the plugs when only oil is coming out.
Do not open the venting plugs more than 2-3 rotations
3. Manually move the rudder from hard over to hard
over a few times by using the handles on the control
valve.
4. Loosen the leakage pipe coupling [2] and fill the pipe
connector with oil while turning the rudder.
5. While the pump is idling, open the venting plugs one
at a time and evacuate all air. Close the plugs when oil is coming out.
6. Stop the pump unit by turning the selector switch on
the motor controller to position 2 "STOP".
7. Start the other pump unit (connected to the leakage
pipe), by turning the corresponding selector switch on
the motor controller to position 3 "LOCAL CONTROL".
8. Repeat step 3 and 4 above.
9. Vent the leakage pipe by turning the coupling 1-2 rotations.
10. Repeat Step 6 above.
11. Stop the pump unit by turning the selector switch on the motor controller to position 2
"STOP".
The system shall now operate smoothly without noise. If noise still occur, repeat the venting
procedure.
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.

Venting

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Note!
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