Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 15-05-2011, 13:52   #1
Registered User
 
anjou's Avatar

Join Date: Apr 2009
Location: Malvernshire, on the sunny side of the hill.
Boat: 50' steel canal and river cruiser
Posts: 1,905
Jabsco Head Problems . . . Again, Me Thinks

Aarrghhh ship mates, I write thee as I languish herein, anchored to the sofa whilst I watch the antics of the gorgeous Jack Sparrow and Miss Swan upon the gogglebox

Yet my mind wanders to the problems in the head. The khazi is somewhat reluctant to flush properly, the main syptom being that of limited water and uneven distribution around the bowl, with the greater part concentration towards the back.

Now I know it says in the pirates code that said electric Jabsco must not be plumbed to the pressurised supply as the head has its own pump, but its clearly evident that said pump is not delivering sufficient water.

Not withstanding that, I have already attached an inline solenoid valve for the purpose of regulating the flow, so what might be the adverse affects of coupling to the pressurised ships supply?

What say ye me hearties?
__________________

__________________
www.amy-artimis.blogspot.com
anjou is offline   Reply With Quote
Old 15-05-2011, 14:03   #2
Registered User
 
doug86's Avatar

Join Date: Nov 2009
Location: Between Block Island and Bahamas
Boat: Marine Trader 40' Sedan Trawler, 1978. WATER TORTURE
Posts: 715
Re: Jabsco head problems ....again me thinks

I would yank the bowl and clean with CLR first, just to be sure that the water isn't restricted by salt deposits. Don't always assume that if a pump isn't putting out, that it's the fault of the pump (anymore than you would blame the wench if the pirate lacks a certain .... output.)
__________________

__________________
"When one is willing to go without, then one is free to go." - doug86
doug86 is offline   Reply With Quote
Old 15-05-2011, 14:09   #3
Senior Cruiser

Cruisers Forum Supporter

Join Date: Dec 2006
Location: Seattle
Boat: Cal 40
Posts: 2,401
Images: 7
Re: Jabsco head problems ....again me thinks

If it's a head where the pump is connected to the bowl by a hose, disconnect the hose from the pump and see if there is good flow there.
__________________
cal40john is offline   Reply With Quote
Old 15-05-2011, 14:10   #4
Registered User
 
anjou's Avatar

Join Date: Apr 2009
Location: Malvernshire, on the sunny side of the hill.
Boat: 50' steel canal and river cruiser
Posts: 1,905
Re: Jabsco head problems ....again me thinks

Aarrghhhh

Wise words ye say there Doug, wise words........'cept the head never saw action of a salty nature, not yet, for we are marooned on this cursed yard and the only tide this hull has seen be that of heavy rain, Thursday last.
__________________
www.amy-artimis.blogspot.com
anjou is offline   Reply With Quote
Old 15-05-2011, 14:23   #5
Registered User
 
Artif's Avatar

Join Date: Jan 2011
Posts: 261
Re: Jabsco head problems ....again me thinks

Throw it over the side and fit a Lavac.
The yard where we had our boat had hundreds of Jabsco toilets (they bought and sold 2nd hand boat parts). The charter companies would renew Jabsco heads every couple of years rather than rebuild them.
We threw out a Blakes head in favour of the Lavac, and never regretted it once.
__________________
Artif is offline   Reply With Quote
Old 15-05-2011, 14:32   #6
Registered User
 
doug86's Avatar

Join Date: Nov 2009
Location: Between Block Island and Bahamas
Boat: Marine Trader 40' Sedan Trawler, 1978. WATER TORTURE
Posts: 715
Re: Jabsco head problems ....again me thinks

well, not sure that putting the pump into the pressure system will solve the problem, but now I'm curious to see what happens if you do.
__________________
"When one is willing to go without, then one is free to go." - doug86
doug86 is offline   Reply With Quote
Old 15-05-2011, 15:48   #7
CF Adviser
 
Intentional Drifter's Avatar

Cruisers Forum Supporter

Join Date: Apr 2006
Location: Pac NW
Boat: Boatless, for now, Cat enthusiast
Posts: 1,283
Re: Jabsco head problems ....again me thinks

Electric Jabscos are accursed beasts. Designed and built by Yugo rejects. Best thing you can do is toss it, while you're still at the yard. With Peggie Hall's guidance, I recently tossed (the important parts) of mine and replaced with a Raritan Sea Era conversion kit. A good price and you can save your old bowl (the bolt patterns for both bowl and platform are identical). The difference in quality and design is immediately apparent.

Having said that, though, a question: is yours a fresh water system (such that the pressure comes from your pressure pump/accumulator) or sea water (with a separate thru hull and pump)?

If sea water, the first place I'd check is the sea strainer on the pump. Those things aren't very big so they're easy to clog. Also, the basket could be rusted up, too. But, Cal40's got the first step right -- disconnect the feed hose from your toilet and see if you get good pressure. If you do, and you have a sea water system, then you might have little beasties that have died in your bowl and started clogging it up.

ID
__________________
Intentional Drifter

Observations are gold; hypotheses, silver; and conclusions, bronze.

Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote.--Ben Franklin

Everyone is entitled to their own opinion, but not their own facts.--Daniel Patrick Moynihan
Intentional Drifter is offline   Reply With Quote
Old 15-05-2011, 16:42   #8
Moderator
 
nigel1's Avatar

Cruisers Forum Supporter

Join Date: Oct 2009
Location: Manchester, UK
Boat: Beneteau 473
Posts: 5,190
Re: Jabsco Head Problems . . . Again, Me Thinks

Hi ID
Dont think Anjou's boat has even been in the water yet, still at the fitting out stage, and I'm guessing the head and the fittings are pretty new.
Best thing to do is disconnect the flush hose from the bowel, check the water flow, and from there, either work back to the pump or go the other way and check the bowl.
__________________
Nigel
Beneteau 473
Manchester, UK
nigel1 is offline   Reply With Quote
Old 15-05-2011, 17:03   #9
CF Adviser
 
Intentional Drifter's Avatar

Cruisers Forum Supporter

Join Date: Apr 2006
Location: Pac NW
Boat: Boatless, for now, Cat enthusiast
Posts: 1,283
Re: Jabsco Head Problems . . . Again, Me Thinks

Ah, I didn't pick up on that. Then, I agree. She's got either a blockage in the line, or the pressure is too weak. Same strategy, though; work the problem back until she finds where it stops flowing.

There is that caution that always comes with toilets connected to freshwater systems: always have a check valve of some sort so you can't get toilet water flowing back into the freshwater tanks. Uggh, just the thought.... Of course, if there is a checkvalve in the system, that could also be the source of the problem.

ID
__________________
Intentional Drifter

Observations are gold; hypotheses, silver; and conclusions, bronze.

Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote.--Ben Franklin

Everyone is entitled to their own opinion, but not their own facts.--Daniel Patrick Moynihan
Intentional Drifter is offline   Reply With Quote
Old 15-05-2011, 18:27   #10
Marine Service Provider
 
peghall's Avatar

Community Sponsor
Cruisers Forum Supporter

Join Date: Feb 2011
Posts: 1,533
Re: Jabsco head problems ....again me thinks

You THREW OUT a $3500 Baby Blake--or worse yet, a $10,000 Blakes Victory--(no, those prices are not typos) for a $300 toilet???? Granted the Lavac is a great toilet (also made by Blakes, btw), but JEEEEEEEEZE!!
__________________
2017 Peggie Hall
Specializing in marine sanitation since 1987
Author "The NEW Get Rid of Boat Odors"
https://www.amazon.com/New-Get-Rid-B...dp/1892399784/
peghall is online now   Reply With Quote
Old 15-05-2011, 18:42   #11
Marine Service Provider
 
peghall's Avatar

Community Sponsor
Cruisers Forum Supporter

Join Date: Feb 2011
Posts: 1,533
Re: Jabsco head problems ....again me thinks

Quote:
Originally Posted by anjou View Post
Aarrghhh Wise words ye say there Doug, wise words........'cept the head never saw action of a salty nature, not yet, for we are marooned on this cursed yard and the only tide this hull has seen be that of heavy rain, Thursday last.
You're on the hard in a yard??? Wellll...no WONDER your toilet isn't bringing in any water! It might improve if you stick the intake line into a bucket full of water.

Do NOT connect it--or any other sea water toilet--to your fresh water system...it cannot be done without risk of e-coli contamination of your potable water, damage to the toilet, or both...and EVERY toilet mfr specifically warns against it.

Sea water toilets are designed to PULL flush water in...pressurized flush water PUSHES flush water into the pump, which misaligns seals, o-rings, valves and gaskets in manual toilets. So you'll not only put your health and that of your crews and guests at risk, but you'll compound your toilet problems.

I do agree that replacing the toilet is the best solution...with a Lavac Lavac Marine Toilets or a Raritan PHII Raritan PH II or PHC. Raritan PHC

You can do that fairly reasonably by buying only the pump and base, recycling your bowl, seat and lid.
__________________
2017 Peggie Hall
Specializing in marine sanitation since 1987
Author "The NEW Get Rid of Boat Odors"
https://www.amazon.com/New-Get-Rid-B...dp/1892399784/
peghall is online now   Reply With Quote
Old 15-05-2011, 19:23   #12
Sponsoring Vendor
 
HopCar's Avatar

Community Sponsor
Cruisers Forum Supporter

Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 3,162
Re: Jabsco Head Problems . . . Again, Me Thinks

You mentioned that the water doesn't come out evenly around the rim of the bowl. I have seen the holes under the rim get clogged by sea grass. As I understand it your boat has never been in the water so that is unlikely. How are you supplying water to test it? If you are sure there is no blockage then it's likely to be a bad impeller. They are cheap and easy to change. If you want to throw money at the problem, you can buy a complete pump and motor assembly for about $160 if it is the toilet I think it is. What's the model number?
__________________
Hopkins-Carter Marine Supplies & Fishing Tackle
What You Need, at the Price You Want...with Service!
HopCar is offline   Reply With Quote
Old 16-05-2011, 09:42   #13
Registered User
 
callistov42's Avatar

Join Date: Jan 2011
Location: Seabrook, Texas
Boat: Vagabond 42
Posts: 169
Re: Jabsco Head Problems . . . Again, Me Thinks

For years and on multiple forums I have heard Peggy rail against Jabsco heads. During our recent refit we installed two new manual Jabsco heads. They are SO MUCH SUPERIOR to the old Wilcox-Critton heads we had that here is no comparison. The Jabsco manual heads seem to work fine, flush well with little effort. The admiral wanted electric heads but even she is happy the new heads. Did we just get lucky or are these going to be problematic in the future as they age?
__________________
callistov42 is offline   Reply With Quote
Old 16-05-2011, 10:13   #14
Registered User
 
anjou's Avatar

Join Date: Apr 2009
Location: Malvernshire, on the sunny side of the hill.
Boat: 50' steel canal and river cruiser
Posts: 1,905
Re: Jabsco Head Problems . . . Again, Me Thinks

Avast my hearties, it looks like ive only told half a sorry tale

Im marooned in this yard and the flush water is sweet, from a 50 gall barrel which is slightly higher than the head, and fed through a half inch hose by gravity to the impeller pump which pulls it through and pushes it out around the rim.

I know the pump works fine cos I put a finger over the hose spigot and it sucked well. just before the pump is a solenoid valve to prevent syphoning and this opens when flush is pressed.

I would like to see more water but more importantly, I would like to see it distributed evenly around the rim, not just at the back where the inlet is.

Its only been in use 6 weeks and pumped @ 30 galls of waste in that time, so im guessing 10 - 15 galls of fresh water.

Not even run in yet and I sure aint tossing it ashore.
__________________
www.amy-artimis.blogspot.com
anjou is offline   Reply With Quote
Old 16-05-2011, 11:38   #15
Sponsoring Vendor
 
HopCar's Avatar

Community Sponsor
Cruisers Forum Supporter

Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 3,162
Re: Jabsco Head Problems . . . Again, Me Thinks

Calistov42 I've been selling and servicing several brands of marine toilets since about 1970.
The Jabsco manual toilet has evolved from a Canadian design that Jabsco bought in the early seventies. They have done at least three major redesigns and several smaller changes. The current production toilets with locking handles have proven pretty reliable based on replacement part sales. Most people with older Jabsco manual toilets are buying replacement pumps with locking handles when their old ones need fixing. That said it is a moderately priced head and there are better ones on the market but I think it is a good value.
__________________
Hopkins-Carter Marine Supplies & Fishing Tackle
What You Need, at the Price You Want...with Service!
HopCar is offline   Reply With Quote
Reply

Tags
head, jabsco

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Jabsco vs Raritan Head SV Liberty Plumbing Systems and Fixtures 4 28-11-2010 22:47
Jabsco Twist / Lock Head dman535 Plumbing Systems and Fixtures 16 20-10-2009 18:54
Jabsco Electric Head Full Sail Plumbing Systems and Fixtures 4 11-06-2009 19:37
Need secret to Jabsco Head repair donradcliffe Plumbing Systems and Fixtures 28 08-03-2009 07:07
jabsco head filling with water schoonerdog Construction, Maintenance & Refit 14 04-12-2007 11:19



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 15:41.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.