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Author Topic:   1998 21 Conquest

necessary evil posted 02-22-2011 03:32 AM ET (US)
I have recently purchased a 1998 21 Conquest. This is my first Boston Whaler. I have to say this forum and the wealth of information and experience I obtained from it played a large part in terms of informing my purchase. I am curious if anybody has re-caulked the deck seal above the fuel tank on this particular model. It looks as though the caulking around the deck above the fuel tank needs to be removed by taking out the screws, removing the plate, scraping, and then re-caulking after screwing the plate back in to make sure the water runs toward the scuppers and not into the bilge. I am also curious how to fill the bait wells underneath and behind the port and starboard captain seats. The rest of the systems on the boat are straightforward, however I am sure the wells fill with water. I just can't seem to figure out process. This is my first post so be gentle.
jimh posted 02-22-2011 08:18 AM ET (US)
[Gently moved to POST-CLASSIC.]
tom976 posted 02-22-2011 12:13 PM ET (US)
Congrats on your new purchase!! The dried up deck caulk is a common problem. I would recommend a good polysulfide caulk. Normally they are available in white at your local marine store. Don't use 5200 or 4200 3m on the joints as you will hate life if you ever have to get the deck up.
As for removing it? That's not too bad. For that you need to go to your local home improvement stores. They have small hand tools to cut the bead away. A box cutter knife can work well IF you are super careful and run the knife parallel to the joint. Basically you dont want to get crazy and start cutting into the gelcoat/fiberglass.
Only other recommendation is to keep it real clean while the stuff dries. It'd suck to put down a new bead and get it contaminated with dirt.
Tom
Bella con23 posted 02-22-2011 11:08 PM ET (US)
As for the live bait wells, the raw water wash down and the live well are twinned together off a common pump.
The wash down hose connection has pressure on it any time the pump switch is turned on and the live well has a "twist to open" type spray head that allows raw water to divert to the tank.
Look up in the upper right side of the port side live bait tank and find the valve that allows the raw water to flow from the pump.
There is no water inlet in the starboard side tank.
necessary evil posted 02-23-2011 12:38 AM ET (US)
[T]hanks for taking the time to reply. I am going to go tackle the deck this weekend.
Treypescatorie posted 02-23-2011 10:01 PM ET (US)
I have a 2000 21 conquest. I dont have the live well option, but I have the well liner. I was wondering what it takes to complete the plumbing for the live well. I have a salt water washdown that was installed when I purchased the boat.
necessary evil posted 02-23-2011 10:58 PM ET (US)
Thanks Bella
I looked at the live well on the port side and there is nothing except a drain that looks as though it is connected to the scuppers via a tube that runs under the deck. After thoroughly inspecting under the deck on the bilge access ports in front of the gas tank and the stern bilge I can find no raw water intake. however, on the bilge access forward of the gas tank there is what looks like a through hull hose with a lever
that is connected to the macerator; i assume it is the pump out for the holding tank. On my dash there is a water switch and a washdown switch that lights up when i flick them on. I noticed a hose heading astern of the macerator as well. I am trying to figure out the water switches and am getting no action. i did see a through hull access at the stern and below the gas tank it looks as though I am going to have to install a washdown, is the through hull astern and below the gas tank the place to install one?
Bella con23 posted 02-24-2011 05:21 PM ET (US)
The pump used for my raw water wash down http://www.pbase.com/metuchen/image/78179564
is behind the port cockpit grab-bar/drink-holder/junk-holder cover.
The discharge side of the pump is twined off the wash down hose fitting at the transom area, and the bait tank on the port side.
I don't think it would take a lot of effort to install a water outlet in the bait tank, a short piece of hose, and a tee fitting in the existing raw water wash down line off the pump.
I'm not sure if your 21' is setup like my 1999 23' but it should be close.
Joe
necessary evil posted 02-24-2011 05:43 PM ET (US)
Thanks Bella,

Brent
tom976 posted 02-24-2011 10:46 PM ET (US)
Bella;
What size trim tabs do you have on your boat 9x9's???
How well do they work?
My 97 doesnt have them, I was thinking about getting Lenco on the back of mine. 12wide x 9deep maybe?????
Raw water washdown was possibly another project. Where's the pickup on the hull??? Underneath or backside?
Much Thanks
Tom
Bulldog posted 02-26-2011 10:22 AM ET (US)
Brent, before you caulk the joint put painters tape along both side of the joint. When you caulk it you can run a finger or tool along the joint to give it the perfect look, then pull up the tape BEFORE the caulk dries to give a nice edge........Jack
necessary evil posted 02-26-2011 12:21 PM ET (US)
great tip thanks jack

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Author	Topic: 1998 21 Conquest
necessary evil	posted 02-22-2011 03:32 AM ET (US) I have recently purchased a 1998 21 Conquest. This is my first Boston Whaler. I have to say this forum and the wealth of information and experience I obtained from it played a large part in terms of informing my purchase. I am curious if anybody has re-caulked the deck seal above the fuel tank on this particular model. It looks as though the caulking around the deck above the fuel tank needs to be removed by taking out the screws, removing the plate, scraping, and then re-caulking after screwing the plate back in to make sure the water runs toward the scuppers and not into the bilge. I am also curious how to fill the bait wells underneath and behind the port and starboard captain seats. The rest of the systems on the boat are straightforward, however I am sure the wells fill with water. I just can't seem to figure out process. This is my first post so be gentle.
jimh	posted 02-22-2011 08:18 AM ET (US) [Gently moved to POST-CLASSIC.]
tom976	posted 02-22-2011 12:13 PM ET (US) Congrats on your new purchase!! The dried up deck caulk is a common problem. I would recommend a good polysulfide caulk. Normally they are available in white at your local marine store. Don't use 5200 or 4200 3m on the joints as you will hate life if you ever have to get the deck up. As for removing it? That's not too bad. For that you need to go to your local home improvement stores. They have small hand tools to cut the bead away. A box cutter knife can work well IF you are super careful and run the knife parallel to the joint. Basically you dont want to get crazy and start cutting into the gelcoat/fiberglass. Only other recommendation is to keep it real clean while the stuff dries. It'd suck to put down a new bead and get it contaminated with dirt. Tom
Bella con23	posted 02-22-2011 11:08 PM ET (US) As for the live bait wells, the raw water wash down and the live well are twinned together off a common pump. The wash down hose connection has pressure on it any time the pump switch is turned on and the live well has a "twist to open" type spray head that allows raw water to divert to the tank. Look up in the upper right side of the port side live bait tank and find the valve that allows the raw water to flow from the pump. There is no water inlet in the starboard side tank.
necessary evil	posted 02-23-2011 12:38 AM ET (US) [T]hanks for taking the time to reply. I am going to go tackle the deck this weekend.
Treypescatorie	posted 02-23-2011 10:01 PM ET (US) I have a 2000 21 conquest. I dont have the live well option, but I have the well liner. I was wondering what it takes to complete the plumbing for the live well. I have a salt water washdown that was installed when I purchased the boat.
necessary evil	posted 02-23-2011 10:58 PM ET (US) Thanks Bella I looked at the live well on the port side and there is nothing except a drain that looks as though it is connected to the scuppers via a tube that runs under the deck. After thoroughly inspecting under the deck on the bilge access ports in front of the gas tank and the stern bilge I can find no raw water intake. however, on the bilge access forward of the gas tank there is what looks like a through hull hose with a lever that is connected to the macerator; i assume it is the pump out for the holding tank. On my dash there is a water switch and a washdown switch that lights up when i flick them on. I noticed a hose heading astern of the macerator as well. I am trying to figure out the water switches and am getting no action. i did see a through hull access at the stern and below the gas tank it looks as though I am going to have to install a washdown, is the through hull astern and below the gas tank the place to install one?
Bella con23	posted 02-24-2011 05:21 PM ET (US) The pump used for my raw water wash down http://www.pbase.com/metuchen/image/78179564 is behind the port cockpit grab-bar/drink-holder/junk-holder cover. The discharge side of the pump is twined off the wash down hose fitting at the transom area, and the bait tank on the port side. I don't think it would take a lot of effort to install a water outlet in the bait tank, a short piece of hose, and a tee fitting in the existing raw water wash down line off the pump. I'm not sure if your 21' is setup like my 1999 23' but it should be close. Joe
necessary evil	posted 02-24-2011 05:43 PM ET (US) Thanks Bella, Brent
tom976	posted 02-24-2011 10:46 PM ET (US) Bella; What size trim tabs do you have on your boat 9x9's??? How well do they work? My 97 doesnt have them, I was thinking about getting Lenco on the back of mine. 12wide x 9deep maybe????? Raw water washdown was possibly another project. Where's the pickup on the hull??? Underneath or backside? Much Thanks Tom
Bulldog	posted 02-26-2011 10:22 AM ET (US) Brent, before you caulk the joint put painters tape along both side of the joint. When you caulk it you can run a finger or tool along the joint to give it the perfect look, then pull up the tape BEFORE the caulk dries to give a nice edge........Jack
necessary evil	posted 02-26-2011 12:21 PM ET (US) great tip thanks jack