Hi all. Newbie Jeanneau owner. The rear seat in the saloon which flips from forward facing to rear facing is loose. The hinge mount which is attached to the bottom of the seating box is loose. the port side you can see the bolts and nuts to tighten. However the starboard side I can only see the side with the nuts. Therefore I do not have the ability to tighten. Also access to the nut side is very limited.
anyone got any views ideas on how to tighten the bolts?
I am new to the NC11 as well. We have a brand new 2018 and the seat was loose just as you described, when we looked down at the mounts, we could see washers and nuts that were not connected at all. I am not sure how the boat made it out of the factory that way...
1) Take the seat cushion off of the bench to expose the wood base below. 2) There are maybe 6 - 8 torx style screws that hold down a wood cover that the cushion sits on. Take off that cover, that should open up the “box” that creates the bench for the seat. We have reverse cycle heat and AC in our boat, there are components of that system mounted in this box, you may or may not have that in yours. 3) We had two vertical wood panels that were installed in the box which are probably used to help isolate the hinges to the seat back and isolate the heat/AC systems too. If you have those vertical wood panels, you can easily remove them. They have a handful of plastic, 90 degree angle supports that hold them in place. The plastic supports have a hidden doorway that hides the screws. Simply pop that little doorway open to expose the screws. 4) Once you remove those vertical wood panels, you should have pretty good access now to be able to tighten up the mounts for the seat back. The back edge of the seat where the bolt head is that is to the starboard side was a little trickier to get to, but I found that there was enough room to get my hand back there to hold the bolt in place while I tightened up the nuts on the inside of the box.
NOTE: It seems to me that this assembly should have some kind of lock washer in place to prevent the nuts from coming loose. I added some when I put it back together, you may want to consider doing the same.
Also, I found that you can over tighten the assembly and the seat back does not move very well in that case. So, before you put everything back together, test how smoothly the seat back moves forward and back and make the necessary adjustments.
I hope that this information is helpful, perhaps you have already solved the issue and I am a little late to be helpful.