Home » Public Forums » GMCnet » Hello, just wondering (poop tanks)
| Hello, just wondering [message #334638] |
Thu, 05 July 2018 07:50  |
Digger
Messages: 22
Registered: October 2016
Location: Aledo, Illinois
Karma: 0
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Junior Member |
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I recently took out poop tank and gray water tank as well as valves, lines etc. Waiting for replacements from Jim K. He's also sending me a macerator I have 76 Royale, side bath, twin beds in mechanically great shape (Hi Bob Done-a-hug) We are really on the fence with the macerator and thought you folks might be helpful with hints. Placement of the macerator, has me somewhat confused and I like to keep things simple. Any thoughts
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| Re: Hello, just wondering [message #334640 is a reply to message #334638] |
Thu, 05 July 2018 08:00  |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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Senior Member |
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Can't help you with placement since the two tanks make your coach a lot different than mine, but I will say adding a macerator was one of the best enhancements I've done to the coach. Screw it on, flip the switch, poop goes away. So much better than stinky slinkies and ramps, and uphill dump stations or every other poorly planned dump or sewer system I've come across at a campground.
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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| Re: Hello, just wondering [message #334641 is a reply to message #334640] |
Thu, 05 July 2018 08:07 |
gibsongo
Messages: 116
Registered: October 2012
Location: Montreal West, Quebec, Ca...
Karma: 0
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Senior Member |
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The macerator kit I got from Applied came with enough instructions that even I manged to install it - so you shouldn't have any problems.
Gordon Gibson
1976 23" Norris Upfit
Montreal West, Quebec, Canada
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| Re: Hello, just wondering [message #334655 is a reply to message #334638] |
Thu, 05 July 2018 09:22 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Miguel did the one on my coach, but it's a single tank. Teed the macerator off to the side with a gate valve before it for maintenance and straight back with another gate valve and fitting for a stinky slinky. Best of both worlds. If I were doing a two tank, I'd do it like my SOB - gate valve on each tank and they tee into a single duump pipe so you could do the black tank, close it off, and 'rinse' the line with the gray tank. It wiould of been fairly easy to tee a macerator off the single line.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Hello, just wondering [message #334656 is a reply to message #334638] |
Thu, 05 July 2018 09:25 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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And a Guru Question. Guys, when I have a sewer hookup at the camp, sometimes I hook the slinky and leave everything open and sometimes I go out now and again (every coupkle of days depending on water usage) and fir off the macerator and dump. What difference doe this make to operation of the black tank? I don't see any, it's a balance between the slinky out once and rinsed and back once vs daily or ever other day hit the switch.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Hello, just wondering [message #334662 is a reply to message #334656] |
Thu, 05 July 2018 10:09 |
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Anonymous
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If you leave the valve open on your 3” hose you run the risk of the liquid running off but the solids piling up in the tank and drying in a pile and then they don’t dissolve and drain out. I posted once that some have dumped in a couple of bags of ice cubes and drove on a bumpy road to break things up. A couple of people posted that it was a myth and didn’t work but I got a half dozen “off the net” emails saying it worked great.
I haven’t tried it myself as I don’t leave the valve open but only drain the tank when it’s about full. And I haven’t used my 3” hose for years because my macerate does a better job.
Emery Stora
77 Kingsley
Frederick, CO
> On Jul 5, 2018, at 8:25 AM, Johnny Bridges via Gmclist wrote:
>
> And a Guru Question. Guys, when I have a sewer hookup at the camp, sometimes I hook the slinky and leave everything open and sometimes I go out now
> and again (every coupkle of days depending on water usage) and fir off the macerator and dump. What difference doe this make to operation of the
> black tank? I don't see any, it's a balance between the slinky out once and rinsed and back once vs daily or ever other day hit the switch.
>
> --johnny
>
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
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| Re: [GMCnet] Hello, just wondering [message #334663 is a reply to message #334662] |
Thu, 05 July 2018 10:18 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Emory,
Yes, it is wise to let it build up and dump full force through the 3" now
and then to assure moving the solids .
We enchirage people to use RV
Sewer chemicals in the tank to keep minimal buildup and smell
On Thu, Jul 5, 2018 at 8:10 AM Emery Stora via Gmclist <
gmclist@list.gmcnet.org> wrote:
> If you leave the valve open on your 3” hose you run the risk of the liquid
> running off but the solids piling up in the tank and drying in a pile and
> then they don’t dissolve and drain out. I posted once that some have dumped
> in a couple of bags of ice cubes and drove on a bumpy road to break things
> up. A couple of people posted that it was a myth and didn’t work but I got
> a half dozen “off the net” emails saying it worked great.
> I haven’t tried it myself as I don’t leave the valve open but only drain
> the tank when it’s about full. And I haven’t used my 3” hose for years
> because my macerate does a better job.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
>> On Jul 5, 2018, at 8:25 AM, Johnny Bridges via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> And a Guru Question. Guys, when I have a sewer hookup at the camp,
> sometimes I hook the slinky and leave everything open and sometimes I go
> out now
>> and again (every coupkle of days depending on water usage) and fir off
> the macerator and dump. What difference doe this make to operation of the
>> black tank? I don't see any, it's a balance between the slinky out once
> and rinsed and back once vs daily or ever other day hit the switch.
>>
>> --johnny
>>
>> --
>> 76 26' Eleganza(?) with beaucoup mods and add - ons.
>> Braselton, Ga.
>> "I forgive them all, save those who hurt the dogs. They must answer to
> me in hell" - ol Andy, paraphrased
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Hello, just wondering [message #334666 is a reply to message #334663] |
Thu, 05 July 2018 10:48 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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One of the very best tank deodorizers os "K.O." and it is safe for ALL disposal methods/systems. It can be found at marine supply stores for sure And maybe RV outlets.
Mac in OKC
Sent from my iPhone
On Jul 5, 2018, at 10:19, Jim Kanomata wrote:
Emory,
Yes, it is wise to let it build up and dump full force through the 3" now
and then to assure moving the solids .
We enchirage people to use RV
Sewer chemicals in the tank to keep minimal buildup and smell
On Thu, Jul 5, 2018 at 8:10 AM Emery Stora via Gmclist <
gmclist@list.gmcnet.org> wrote:
> If you leave the valve open on your 3” hose you run the risk of the liquid
> running off but the solids piling up in the tank and drying in a pile and
> then they don’t dissolve and drain out. I posted once that some have dumped
> in a couple of bags of ice cubes and drove on a bumpy road to break things
> up. A couple of people posted that it was a myth and didn’t work but I got
> a half dozen “off the net” emails saying it worked great.
> I haven’t tried it myself as I don’t leave the valve open but only drain
> the tank when it’s about full. And I haven’t used my 3” hose for years
> because my macerate does a better job.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
>> On Jul 5, 2018, at 8:25 AM, Johnny Bridges via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> And a Guru Question. Guys, when I have a sewer hookup at the camp,
> sometimes I hook the slinky and leave everything open and sometimes I go
> out now
>> and again (every coupkle of days depending on water usage) and fir off
> the macerator and dump. What difference doe this make to operation of the
>> black tank? I don't see any, it's a balance between the slinky out once
> and rinsed and back once vs daily or ever other day hit the switch.
>>
>> --johnny
>>
>> --
>> 76 26' Eleganza(?) with beaucoup mods and add - ons.
>> Braselton, Ga.
>> "I forgive them all, save those who hurt the dogs. They must answer to
> me in hell" - ol Andy, paraphrased
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> https://nam03.safelinks.protection.outlook.com/?url=http%3A%2F%2Flist.gmcnet.org%2Fmailman%2Flistinfo%2Fgmclist_list.gmcnet.org&data=02%7C01%7C%7C b232cde468384b0cc00208d5e28aab69%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636664007557556951&sdata=5AG%2BOLn3Y9TgrnFpDTQcAiuDYMTVvMB6IuBVpMmdC SU%3D&reserved=0
>
> _______________________________________________
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
https://nam03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.appliedgmc.com&data=02%7C01%7C%7Cb232cde468384b0cc00208d5e28aab69%7C84df9e7fe 9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636664007557556951&sdata=EoZt99JCsciLYbOfiRv4bs6kr%2Bnt5zENLC6TZBrHLnw%3D&reserved=0
1-800-752-7502
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| Re: Hello, just wondering [message #334669 is a reply to message #334638] |
Thu, 05 July 2018 11:36 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Well either way on the way home I usually drain the freshwater tank into it for the ride and when I get here dump it. No chemicals ever, cos I dump here into a septic system.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Hello, just wondering [message #334670 is a reply to message #334638] |
Thu, 05 July 2018 11:48 |
Rob
Messages: 651
Registered: November 2013
Location: Victoria, BC
Karma: 3
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Senior Member |
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I recently installed a macerator in my 76 Royale - after contemplating it for 18 months or more...
My tanks had been replaced a number of years ago by the PO (by Jim H.?) - so they may be plumbed very differently than yours.
Due to having two tanks and associated plumbing - I had problems trying to find a place “down low” where I could mount the macerator. I kept reading and searching and found many examples of the macerator being mounted higher up, including one Royale example (Fred?) on the GMC Photo site that had the macerator up above the frame rails! So I figured I could be more flexible with mounting.
I ended up mounting mine on a bar that holds some bottoming out rubber bumpers - it’s about 3 inches above the the pipe it draws from. I plumbed it into the 1 1/2” grey pipe, very near where it tees from the 3” black/drain pipe.
I’ve only used it twice now - but it worked well. I’m sure I’m not FULLY draining the pipe - since it sucks air towards the end of the drain and must leave some residue in the pipe. But it’s so much better than having to nervously look at the sani-dump and hope that I can position myself in a way that will let gravity do it’s thing...
I’ll try to get some pics up on the photos site - it may or may not help...
Rob
Victoria, BC
76 Royale - Rear Twins/Dry Bath
> On Jul 5, 2018, at 5:50 AM, Scott Fippinger wrote:
>
> I recently took out poop tank and gray water tank as well as valves, lines etc. Waiting for replacements from Jim K. He's also sending me a
> macerator I have 76 Royale, side bath, twin beds in mechanically great shape (Hi Bob Done-a-hug) We are really on the fence with the macerator and
> thought you folks might be helpful with hints. Placement of the macerator, has me somewhat confused and I like to keep things simple. Any thoughts
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Rob -
Victoria, BC -
76 Royale - Rear Twins/Dry Bath
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| Re: [GMCnet] Hello, just wondering [message #334674 is a reply to message #334670] |
Thu, 05 July 2018 14:00 |
Rob
Messages: 651
Registered: November 2013
Location: Victoria, BC
Karma: 3
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Senior Member |
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This is a link to my pics (I had orientation issues with GMC MH Photos site! When I get a chance I'll to get them up there...):
https://photos.app.goo.gl/Sp7KDXa1CLXaGW7S9
This is one of the old pics I saw before I installed:
http://www.gmcmhphotos.com/photos/maintenance/p30569-macerator-install-royale-rear-bath.html
Rob
Victoria, BC
76 Royale - Rear Twins/Dry Bath
> On Jul 5, 2018, at 9:48 AM, Rob wrote:
>
> I recently installed a macerator in my 76 Royale - after contemplating it for 18 months or more...
>
> My tanks had been replaced a number of years ago by the PO (by Jim H.?) - so they may be plumbed very differently than yours.
>
> Due to having two tanks and associated plumbing - I had problems trying to find a place “down low” where I could mount the macerator. I kept reading and searching and found many examples of the macerator being mounted higher up, including one Royale example (Fred?) on the GMC Photo site that had the macerator up above the frame rails! So I figured I could be more flexible with mounting.
>
> I ended up mounting mine on a bar that holds some bottoming out rubber bumpers - it’s about 3 inches above the the pipe it draws from. I plumbed it into the 1 1/2” grey pipe, very near where it tees from the 3” black/drain pipe.
>
> I’ve only used it twice now - but it worked well. I’m sure I’m not FULLY draining the pipe - since it sucks air towards the end of the drain and must leave some residue in the pipe. But it’s so much better than having to nervously look at the sani-dump and hope that I can position myself in a way that will let gravity do it’s thing...
>
> I’ll try to get some pics up on the photos site - it may or may not help...
>
> Rob
> Victoria, BC
> 76 Royale - Rear Twins/Dry Bath
>
> On Jul 5, 2018, at 5:50 AM, Scott Fippinger wrote:
>
>> I recently took out poop tank and gray water tank as well as valves, lines etc. Waiting for replacements from Jim K. He's also sending me a
>> macerator I have 76 Royale, side bath, twin beds in mechanically great shape (Hi Bob Done-a-hug) We are really on the fence with the macerator and
>> thought you folks might be helpful with hints. Placement of the macerator, has me somewhat confused and I like to keep things simple. Any thoughts
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Rob -
Victoria, BC -
76 Royale - Rear Twins/Dry Bath
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| Re: Hello, just wondering [message #334711 is a reply to message #334696] |
Fri, 06 July 2018 08:52 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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Recommend a gate valve be installed before and after your new installation. My installation has power valves installed before the macerator reducing any grabbing of a manual handle. If you can find a Class A in a men's mall, you may find the power valves. They do have a manual handle as backup.
Macerators make the dumping problems go away. Highly recommend them.
Tom
2012 Phoenix Cruiser model 2552
KA4CSG
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