4.3.3.Maintenance
- Make sure that there are no leaks at the level of the
connections, or anywhere else in the circuit as a whole.
- Change the return filter cartridge after every 3,000 hours
of operation.
- Change the suction filter strainer after every 3,000 hours
of operation.
To access this strainer, unscrew the 4 nuts holding the
suction flange, then remove the flange, tube and strainer
assembly.
- Unscrew the used strainer.
- Screw in the new strainer.
- Refit the suction flange and its retaining nuts.
- When changing the cartridge, drain the circuit preferably
according to the oil's appearance.
- Drain the fitted tank and, therefore, the manual pump(s).
- To get the oil flowing rapidly, remove the tank's fill plug and
that of the manual pump.
- Screw in the new cartridge.
- Fill the fitted tank up to its maximum level, using HM32 oil.
- Once this level has been reached, close the fitted tank
using its leaktight plug.
- Complete the level of the manual pump(s) and replug the
fill hole.
- Check the engine brushes.
- Check the flexible coupling between the pump and the
engine; change it after every 5,000 hours.
37
EQUIPMENT
ADVICE - RECOMMENDATION
Check fastening systems on a regular basis,
especially those of the rudder shaft bar and
those of the ram bar.
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