I observed a vibration in the passage-way when engine was running on my AMEL-54.
I found two big screw (see pictures) opposite of the battery compartment, and tried to tighten the one who was loose. But suddenly when I touched the screw it was not holding at all and I was able to pull out by hand. The bolt is 70mm x 12mm
I have not discovered a screw-nut or thread counterpart inside. I was not able to find out for what those screens are and what they hold. From the other-side in the engine room, I have no access because there is the fuel-tank and I don't think these bolts are fixing the fuel-tank? There are only 2 screw-bolts, one at the very beginning and one at the end of the passageway.
Does anyone know what these screws are for, and what they fixing/holding?
Is it just to hold the wood panel in the passage-way? Or its it part of the fuel-tank?
Hope someone of you can give me a hint or an inside few, so I can fix it.
Thanks and looking forward for many advices
SY WASABI, A-54#55