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Old 19-12-2017, 07:34   #1
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Heads Sitting 2 Years

Now neither flush. All valves are open, tanks are empty, Y valves tried on both orientations. Jabsco - just fills the bowl and is very hard to pump. Nothing goes out. Dry setting does nothing.

Groco - lever just spits water straight up!
Any suggestions?
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Old 19-12-2017, 07:52   #2
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Re: Heads Sitting 2 Years

Re-build ... all seals, flapper valves, joker valve all dried out and likely encrusted with "stuff" that should have been cleaned off when put into storage
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Old 19-12-2017, 08:03   #3
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Wot ^^^^E^^^^^Sed..
Tho' given the price of some 'rebuild kits' you may as well buy new toilets..
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Old 19-12-2017, 08:24   #4
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Re: Heads Sitting 2 Years

Try this before you tear it apart for a rebuild.

https://www.westmarine.com/buy/west-...lube--11007341

After that flush some diluted vinegar (a mild acid) in there and let the vinegar soak internally for a few days to help dissolve any salts that have accumulated.
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Old 19-12-2017, 09:03   #5
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Re: Heads Sitting 2 Years

Mineral oil (1/8 cup will do) will do a fine job of lubricating the pump. The piston has dried and is not holding pressure. Mineral oil will work quickly to remedy.
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Old 19-12-2017, 09:04   #6
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Re: Heads Sitting 2 Years

also try vaseline or some other grease, not water soluble, to top of plunger as you clean and refit your heads.
as it never hurts to keep a spare jabsco manual toilet pump assembly, buy and install new one then clean old one and lube it well. store it in a plastic baggie until needed, which can be soon.
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Old 19-12-2017, 09:11   #7
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Re: Heads Sitting 2 Years

Quote:
Originally Posted by Flyingriki View Post
Now neither flush. All valves are open, tanks are empty, Y valves tried on both orientations. Jabsco - just fills the bowl and is very hard to pump. Nothing goes out. Dry setting does nothing.

Groco - lever just spits water straight up!
Any suggestions?
I'd just replace the pump on the Jabsco...that'll only cost you about 10% more than a "service (rebuild) kit" for it and it's a lot easier to do than tearing a pump apart and putting it back together.

How old is the Groco? Or more to the point, do you know whether it's an HF or the earlier HC or HE? If it's an HF, a rebuild kit should solve the problem...but if it's older version, it'll also need an "upgrade" kit. You can replace the toilet with a Raritan PH SuperFlush for not a lot more...Defender has it on sale. Defender PH SuperFlush Toilet
If you opt to rebuild, LUBRICATE the PUMP! And would prob'ly be a good idea to lube the y-valve and seacock too. The best choice for everything is SuperLube thick grease in a tube (SuperLube has a full line of lubricants...you ONLY want the thick grease)...Ace Hardware carries it. A tube will last years!

Sew Clean Sew Clean is the best choice to clean out the hoses.

Make sure your tank vent is clear...most blockages occur in the thru-hull and at the other end of the vent line...that end of the hose and the vent fitting on the tank.

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Old 19-12-2017, 10:58   #8
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Re: Heads Sitting 2 Years

I dont even Seat on heads, and leave them in seconds, not years

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Old 19-12-2017, 11:19   #9
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Re: Heads Sitting 2 Years

Try putting some coking oil thru it the seals are probably dry
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Old 19-12-2017, 12:16   #10
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Re: Heads Sitting 2 Years

You don't tell us the model numbers of the toilet but from your description of the Groco shooting a stream of water into the air, I can guess you've got either an EB or K toilet.
They have a rubber flap in the bottom of the toilet with a bronze weight riveted to it. The rivet eventually fails, the weight drops off leaving about a 1/8" hole in the rubber.
It's really pretty funny the first time someone almost gets a face full of water as it jets through the hole.

If you don't want to fix it, just tell everybody it's a bidet.
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Old 19-12-2017, 13:39   #11
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Re: Heads Sitting 2 Years

Try veggie oil. If that doesn’t work replace the whole head.
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Old 19-12-2017, 13:50   #12
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Re: Heads Sitting 2 Years

Since it costs almost as much to recondition a head unit than it does to replace it with a new electric one--I replaced them. A friend who ran a tourist vessel replaced all of his every two years although they were working perfectly--because the kit was only fifty dollars less than the new one out of the box with a guarantee--I think the brand is TMC. Never had a problem with them in five years of live-aboard use..
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Old 19-12-2017, 14:17   #13
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Re: Heads Sitting 2 Years

Quote:
Originally Posted by Flyingriki View Post
Now neither flush. All valves are open, tanks are empty, Y valves tried on both orientations. Jabsco - just fills the bowl and is very hard to pump. Nothing goes out. Dry setting does nothing.

Groco - lever just spits water straight up!
Any suggestions?
I had a kit and installed it in mine. Finally bought a new one and now it works grrreat !
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Old 19-12-2017, 14:40   #14
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Re: Heads Sitting 2 Years

I had similar problem with a head that had been sitting without use for many years by the previous owner. I found there were blockages in the outlet pipe between the head and the holding tank. A quart of vinegar left for a few days while sailing succeeded in freeing things up (after I'd rebuilt the head and replaced old seals etc.)
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Old 19-12-2017, 15:40   #15
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Re: Heads Sitting 2 Years

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Originally Posted by HopCar View Post
You don't tell us the model numbers of the toilet but from your description of the Groco shooting a stream of water into the air, I can guess you've got either an EB or K toilet...If you don't want to fix it, just tell everybody it's a bidet.
They'd only use it once at this time of year if the boat is anywhere north of Florida!

Since the other one is a Jabsco manual, it never occurred to me it could be an EB or a K. If so, it's not a throw away...he has a $1,000 + toilet The EB was discontinued nearly 10 years ago, but the K is still in production. Rebuild kits are still available for both...about $150, but worth every penny...'cuz that toilet is made to last 50+ years with minimal maintenance.
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