![20160119_210000](http://mc.grenasberg.no/wp-content/uploads/2016/01/20160119_210000-300x169.jpg)
The check valves are all cleaned and the function is back to normal. The filter connected to the plastic part at the end is missing. I assume it is not possible to get hold of new ones ? I’m told its not a critical issue. If the valve get clogged no harm will be done to the engine.