430 Aft Cabin Air Con Lines

[ExSail]

has anyone replaced their air conditioning water lines? I am having a hard time trying to determine:
A) how to remove the salon setae port backrest to even get to them.
B) how to access the starboard side lines that run under the flooring. Do I have to remove the entire aft cabin floor to access these?

A) The settee backrest wood is attached to another piece that seams to be glued to the white top portion under the window. I'm sure it is screwed into that piece but cannot get to the screws. Do I need to dissemble the entire settee?

Any pics would help. Thanks

 

[bayview]

What brand boat and why you want to change them might help.

 

[ExSail]

What brand boat and why you want to change them might help.

Mainship 430 Aft Cabin 20 yrs old. Some lines are splitting

 

[bayview]

Dont know mainship but seat backs on some boats are held by screws hidden in creases in the cushions or with velcro.

Is the tubing pex or vinyl?

Alternative is to use the old tubing to pull the new tubes through if there are no very tight holes. Clean the inside of the old tube end and using a union and some strong glue attach the new to old making a smooth joint and pull through.

 

[ExSail]

cushions are removed, its the wood backing thats the problem lol. using the push/pull might have to be it.