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Maintenance Manual
1.
Start one of the pump units by turning the selector switch on the
corresponding motor controller to position 3 "LOCAL CONTROL".
2.
Let the pump unit run for at least five minutes.
3.
Turn the selector switch on the motor controller to position 2
"STOP".
4.
Unscrew an unused plug [1] in the return filter.
5.
Connect a measuring hose (preferable with a valve mounted on it) and make sure the other
end is secured in a bucket.
6.
Again, start the same pump unit by turning the selector switch on the relevant motor controller
to position 3 "LOCAL CONTROL".
7.
Make sure the hose valve (if mounted) is completely
open, and let the pump run until you are completely sure
that the hose is flushed thoroughly.
8.
Fill a new and chemically pure sample bottle with oil, min
200ml.
9.
Close the sample bottle
10. Turn the selector switch on the motor controller to position 2 "STOP".
11. Disconnect the sampling equipment and mount the plug.
12. Again, start the pump unit and let it run for at least one minute. This will make sure that any
trapped air will evacuate through the filter and into the tank.
13. Manually move the rudder by using the red and green
Steering Gear handles as illustrated. If any noise or
steering problems present, follow the venting procedure.
14. Mark the bottle with AQM type and number, date, oil
type, sample taken by and how long used.
15. Repeat steps 1-14 for the opposite pump system.
16. Compare the oil sample with new oil. If color or smell has significantly changed or there are
impurities in the oil, change the oil.
17. Send the oil samples to examination immediately.
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Oil Sampling
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