1988 300 Weekender question.

JoeVid

Member
Dec 27, 2018
35
Boat Info
1988 Weekender
Engines
Twin Mercruiser 350 cu. in. inboards
Has anyone replaced the foreword bilge pump on an old 300 weekender with twin 350's? I have a new OEM (Rule)replacement so I will leave the original base mounted, but HOW do you reach down there to splice the two wires and install the hose?? Thanks, Joe
 
also...does anyone know the location of the galley/head vent motor? Thanks
 
The vent motors are in the cockpit behind the starboard trim panel beside the helm seat. They are just blower motors.
 
The vent motors are in the cockpit behind the starboard trim panel beside the helm seat. They are just blower motors.
No wonder I couldn't find them! Thanks Scorpio!
 
At least on my Sundancer. I have a removable panel in that trim piece that allows limited access to those blowers I'm assuming the.WE is similarly set up.
 
IMG_4230.JPG
Has anyone replaced the foreword bilge pump on an old 300 weekender with twin 350's? I have a new OEM (Rule)replacement so I will leave the original base mounted, but HOW do you reach down there to splice the two wires and install the hose?? Thanks, Joe
Is it under the steps that go down into the salon? The steps lift up and out and you are then looking at the sump when sitting on the floor of the salon.
 
View attachment 71897
Is it under the steps that go down into the salon? The steps lift up and out and you are then looking at the sump when sitting on the floor of the salon.
… Naw, SBW, that's the shower sump pump, which is fairly easy to replace. The Bilge pump I'm talking about is located in between the forward end of the engines, pretty much inline with the alternator/water pump belts, but WAY down. I just can't reach it, especially with two hands, to remove the hose and splice the wires...ugh.
 
IMG_4230.JPG
… Naw, SBW, that's the shower sump pump, which is fairly easy to replace. The Bilge pump I'm talking about is located in between the forward end of the engines, pretty much inline with the alternator/water pump belts, but WAY down. I just can't reach it, especially with two hands, to remove the hose and splice the wires...ugh.
Ok. That one is a bear to reach. Might be a job for a professional who has a bag of tricks.
 
I'm not there to see what you are seeing, but welcome to boat maintenance 101! :) Cramming two V8's into a 30' boat means space is at a premium. So sometimes you need to get creative with your body positioning... often times you work blind with one hand, only. Still other times you remove various components to get to the one you want. Last resort... install the new one in a more accessible location and leave the old one there to rot. You can either rip the wires and hose up and out, or cut/splice in a better location. And, yes, sometimes the cheapest part requires the most labor to get to it - it's just the name of the game.
 
No matter what you do that one is a bitch, my thin daughter got down in there and changed mine. You're pretty much jammed in there. I wish you luck, let us know how it goes
 
I'm talking to this guy I work with. He's 6'4", skinny as a rail...and has loooong arms. He's willing to give it a shot. I might have to hold his ankles to lift him out. Someone at the marina suggested sheets of plastic with Vaseline to help you slide out...ugh. Either that or pull the left exhaust manifold on the starboard engine, which I really don't feel like doing.
At least on my Sundancer. I have a removable panel in that trim piece that allows limited access to those blowers I'm assuming the.WE is similarly set up.
… I do not recall a removable panel in that location. I'll have to check.
 
On the pump wires, I usually trace the harness back to a point where I can reach the wiring more easily and make the connections there. You dont want splices into bilge water anyway.
 

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