I fired up the main engines on Thursday. Just to make sure they run and pump water. Much to my dismay, the aft stateroom quickly filled with exhaust gasses. So, now I get to replace the 56 year old exhaust hoses. From the engine room, all the way to the transom. I'll need to have it hauled out for this little evolution, because the exhaust outlets are just above the waterline. The only way to replace that stiff hose appears to be by inserting it from the transom. Then feeding it to the engine room, where the muffles are. Good time to replace the seized seacocks as well. ��
Thanks SteveK. I'll leave this job to the experts at AYB, where we are docked. Large sections of the exhaust hoses are behind bulkheads. Plus, there are several seacocks that need to be replaced. Because they are seized in whichever position they were left in, over 6 years ago.
One consistent issue I have heard is that since most exhaust systems are installed before the interior fitting out is accomplished, many times the exhaust hoses are secured along the route in places impossible to access without dismantling and potentially destroying the interior flooring, bulkheads and wood work. . . That was indeed the case with our GB36 woodie. Best of luck with getting them replaced, and I hope your boat is an exception to the rule!
I have the interior of my GB36 apart for much work. In the process I am mounting 4" PVC pipe in the hard to reach places. The 3" exhaust hose will slide through it, so future replacement will consist of disconnecting the ends and sliding the old hose out and new hose in.One consistent issue I have heard is that since most exhaust systems are installed before the interior fitting out is accomplished, many times the exhaust hoses are secured along the route in places impossible to access without dismantling and potentially destroying the interior flooring, bulkheads and wood work. . . That was indeed the case with our GB36 woodie. Best of luck with getting them replaced, and I hope your boat is an exception to the rule!
I did not mention that but electrical conduits are part of the plan. I don't think I'll have to replace the exhaust but at some point I will sell the boat and it makes one more sales feature I can do cheap & easy now. The electrical conduit will certainly come in handy for me.That's great forward-planning, but how often do you replace your exhaust hose - once every 50 years?
However definitely throw some nice electrical conduits in there with pull ropes.
I did not mention that but electrical conduits are part of the plan. I don't think I'll have to replace the exhaust but at some point I will sell the boat and it makes one more sales feature I can do cheap & easy now. The electrical conduit will certainly come in handy for me.
I thought about that and figured that somewhere near the water lifts I would have to transition to hose and I didn't know how difficult it would be getting the hose installed onto the tube in a tight space. These are the sorts of things that keep me up at night. Not a bad problem I guess.Why not just use fiberglass exhaust tube? I am in the middle of changing out my exhaust hose and am seriously considering fiberglass instead. I think the fiberglass tube is a bit cheaper than the hose except for the fiberglass 90.