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waste tank 1998 405

Discussion of AC's, plumbing and sanitation related issues.
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nickhajdukovic
Scurvy Dog
Scurvy Dog
Posts: 3
Joined: August 18th, 2013, 2:15 pm
Vessel Info: 1998 405 with cummins diesel power

waste tank 1998 405

Postby nickhajdukovic » October 5th, 2013, 7:33 pm

I own a 1998 405 Carver aft cabin. It has a waste smell coming from the front holding tank area. I have replaced all the lines and also pressure tested the tank and there are no leaks. As far as i can tell the odour is permeating from the tank. Has anyone heard of this happening?
Also, does anyone have experience replaceing one of these tanks. There does not seem to be enough room to remove it. It is under the dinette seating on the port side.
Thanks

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United States of America
AaHubb
Captain
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Posts: 290
Joined: February 16th, 2013, 5:46 pm
Vessel Info: '99 404 CPMY
my twin diesel pusher
Location: Kennewick, Wa
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Re: waste tank 1998 405

Postby AaHubb » October 5th, 2013, 9:18 pm

Before you try removing the tank try this simple test. Use a clean rag to wipe down the surface of the tank then give the rag a sniff test. If the oder is strong you have most likely found your problem, other wise keep searching.
'99 404 CPMY
SeaDragon
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United States of America
waybomb
CYO Moderator
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Posts: 1967
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
Has thanked: 41 times
Been thanked: 283 times

Re: waste tank 1998 405

Postby waybomb » October 6th, 2013, 11:22 am

The dreaded sniff test!
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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Topic author
nickhajdukovic
Scurvy Dog
Scurvy Dog
Posts: 3
Joined: August 18th, 2013, 2:15 pm
Vessel Info: 1998 405 with cummins diesel power

Re: waste tank 1998 405

Postby nickhajdukovic » October 10th, 2013, 8:57 pm

Thanks guys, sounds like a pretty logical test, i will give that a try and let you know.
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MissWhit's
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Location: Eisenhower yacht Club, Lake Texoma, Sherman TX
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Re: waste tank 1998 405

Postby MissWhit's » October 13th, 2013, 4:50 pm

I have a 2001 406 (same vessel) with the same problem. I took the boat to the marina and had them pump it out as best as they could. I then took the boat back to my slip and removed the tank level switch assembly and wet vacuumed out the rest. I performed a high pressure spray (Water hose with nozzle) inside the tank thropugh the same float level access hole and performed this until the BOTTOM of the tank was clean. Problem is with these tanks the suckout feedthru is about 1 inch above the bottom of the tank and hard sediment accumulates. After I cleaned the tank using the earlier method I filled the tank up with water, Calgon water softener, clothes washing detergent and bleach. I let this sit in the tank for 5 days then had it sucked out. I add two gallons of water, Calgon water softener and clothes detergent after every pump out. My boat no longer smells like the town sewer plant while driving by. Do a internet search about the chemicals and how much to add. Many topics on this.

John
MissWhit's
Lake Texoma, Denison TX
Port: EYC Marina
2001 406 twin 380HP 454 MPI
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Topic author
nickhajdukovic
Scurvy Dog
Scurvy Dog
Posts: 3
Joined: August 18th, 2013, 2:15 pm
Vessel Info: 1998 405 with cummins diesel power

Re: waste tank 1998 405

Postby nickhajdukovic » October 18th, 2013, 6:57 pm

I was thinking about cleaning the inside of the tank. Now i will for sure but it will have to wait untill the spring as we have just put her away for the winter. Thanks John

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