A few secs after starting, the red dash light lights up and the boom hydraulics locks out. Shutting the engine off resets it, but then it locks out again. This happened once before, but it took a few minutes to happen. It got worse, and I changed all the filters and it went away. The machine sat for the winter, and now it’s back, but faster. I changed the pilot filter (I think that’s what it is-just under the floor, at the back) but no change. (It was totally clean.) I’ve heard air in the lines can cause this, but how? I love this machine but finding good service here is very hard. I’m hoping one of you wizards has some ideas.
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