Home » Public Forums » GMCnet » [GMCnet] Repair of Jabsco Macerator Pump
| [GMCnet] Repair of Jabsco Macerator Pump [message #332576] |
Fri, 25 May 2018 20:48  |
Emery Stora
Messages: 959
Registered: January 2011
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I had a clogged macerator due to hair on the chopper blade. When I removed it I found that two of the bolts holding it together were loose. Further inspection revealed that they were brass studs that had corroded and broken just above where they screwed into the middle section of the pump. I was able to remove them by drilling from the bottom of the studs with a small drill which caught into the studs and spun them right out.
Jabsco makes a couple of service kits. The full service kit which has the plastic pump body, gaskets and impeller sells for $52.31 on Amazon. Part no: 18598-1000.
However I did not need that kit. I bought the stainless steel bolt kit 17288-1000 for $16.52 on Amazon.
This kit has 4 bolts, two long and two shorter. These replace the brass studs and acorn nuts. You just put medium strength loctite (blue) on the threads and screw the bolts in from the inlet end. They should not break or corrode like the brass studs did.
I now have a $130 macerator rebuilt for a cost of $16.52.
I have also decided to put a 1-1/2” Valterra plastic waste value between the macerator and the connection to the 3” sewage pipe. I found a good price for that on etrailer.com. This will make it much easier to remove the pump in the future as it will not be necessary to drain the holding tank. I have another Jabsco macerator pump that had broken brass studs so I also rebuilt that one with the bolt kit to carry as a spare. It will be a fast job to replace it if it gets clogged again and much less messy.
Emery Stora
77 Kingsley
Frederick, CO
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332706 is a reply to message #332576] |
Mon, 28 May 2018 20:40  |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
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Emery, Thanks!
This is the post I was looking for. My Flojet did the same thing with one of the brass studs while backing the castle nut off. I wonder if this kit will work with the Flojet? I don't see why not, 2long studs and 2 shorter studs.
Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332709 is a reply to message #332706] |
Mon, 28 May 2018 21:33 |
emerystora
Messages: 4442
Registered: January 2004
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I think most parts are interchangeable between the two makes.
Emery Stora
> On May 28, 2018, at 7:40 PM, Scott Nutter wrote:
>
> Emery, Thanks!
> This is the post I was looking for. My Flojet did the same thing with one of the brass studs while backing the castle nut off. I wonder if this kit
> will work with the Flojet? I don't see why not, 2long studs and 2 shorter studs.
> Scott.
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332732 is a reply to message #332576] |
Tue, 29 May 2018 11:43 |
Scott Nutter
Messages: 782
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Location: Houston/San Diego
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BTW,
Just got off the phone with the tech person at Xylem(the parent company of Flojet). They are in the process of changing out the brass studs/bolts in their marine application macerator pumps to stainless steel. Because of breakage of the soft brass. But unfortunately, the marine pumps have different adapters than our motorhome pumps so those bolts will not work for us.
Hopefully in the next year or so the motorhome pumps will come with the stainless studs/bolts. But in the meantime stainless bolts from any hardware store will work just as well.
Scott
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332734 is a reply to message #332732] |
Tue, 29 May 2018 14:03 |
emerystora
Messages: 4442
Registered: January 2004
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Good luck finding them in the right thread and length I went to 4 different hardware stores including Ace and nobody had them. That is hoe I ordered them from Amazon as a kit for the Jabsco.
Emery Stora
> On May 29, 2018, at 10:43 AM, Scott Nutter wrote:
>
> BTW,
> Just got off the phone with the tech person at Xylem(the parent company of Flojet). They are in the process of changing out the brass studs/bolts in
> their marine application macerator pumps to stainless steel. Because of breakage of the soft brass. But unfortunately, the marine pumps have different
> adapters than our motorhome pumps so those bolts will not work for us.
> Hopefully in the next year or so the motorhome pumps will come with the stainless studs/bolts. But in the meantime stainless bolts from any hardware
> store will work just as well.
> Scott
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332736 is a reply to message #332734] |
Tue, 29 May 2018 14:13 |
k2gkk
Messages: 4452
Registered: November 2009
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At they perhaps metric bolts?
D C "Mac" Macdonald
Amateur Radio K2GKK
Since 30 November '53
USAF and FAA, Retired
Member GMCMI & Classics
Oklahoma City, OK
"The Money Pit"
TZE166V101966
'76 ex-Palm Beach
k2gkk + hotmail dot com
________________________________
From: Gmclist on behalf of Emery Stora
Sent: Tuesday, May 29, 2018 14:03
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Repair of Jabsco Macerator Pump
Good luck finding them in the right thread and length I went to 4 different hardware stores including Ace and nobody had them. That is hoe I ordered them from Amazon as a kit for the Jabsco.
Emery Stora
> On May 29, 2018, at 10:43 AM, Scott Nutter wrote:
>
> BTW,
> Just got off the phone with the tech person at Xylem(the parent company of Flojet). They are in the process of changing out the brass studs/bolts in
> their marine application macerator pumps to stainless steel. Because of breakage of the soft brass. But unfortunately, the marine pumps have different
> adapters than our motorhome pumps so those bolts will not work for us.
> Hopefully in the next year or so the motorhome pumps will come with the stainless studs/bolts. But in the meantime stainless bolts from any hardware
> store will work just as well.
> Scott
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332740 is a reply to message #332576] |
Tue, 29 May 2018 15:41 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
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According to the Klein parts website, they are SAE. Not metric.
I was just going to get 4 4 inch stainless studs and cut to size. Then get 4 stainless castle nuts.
Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332749 is a reply to message #332576] |
Tue, 29 May 2018 17:35 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
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Matt,
You are 100% correct. It's the acorn nut.
Scott
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332751 is a reply to message #332744] |
Tue, 29 May 2018 18:10 |
Emery Stora
Messages: 959
Registered: January 2011
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Matt - you are not a “know it all” but you are a purist! :)
Emery
> On May 29, 2018, at 3:58 PM, Matt Colie wrote:
>
> Scott Nutter wrote on Tue, 29 May 2018 16:41
>> According to the Klein parts website, they are SAE. Not metric.
>> I was just going to get 4 4 inch stainless studs and cut to size. Then get 4 stainless castle nuts.
>> Scott.
>
> Scott,
>
> Not to be a purist or any kind of a know-it-all, but I don't think you mean castle nuts.
> Those have cuts to allow the use of a cotter pin to secure them.
> You might mean Acorn nuts that are closed at the end and are most often used to prevent thread leakage and for appearance.
> Or maybe you are thinking of "nylok" which have a nylon insert to grab the thread so they will not back out without force.
> Those last are actually called ESN, elastic stop nuts.
> Any of the three should be available around salt water.
>
> Matt
> --
> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
> Electronically Controlled Quiet Engine Cooling Fan
> OE Rear Drum Brakes with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332771 is a reply to message #332576] |
Tue, 29 May 2018 20:21 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
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Kleen-Rite has the best prices on the Jabsco 18598-2000 service kit at $52 but add shipping. Same thing at Amazon is $105.
Just something to think about.........
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332774 is a reply to message #332771] |
Tue, 29 May 2018 21:25 |
Emery Stora
Messages: 959
Registered: January 2011
Karma: 4
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Not sure what you are looking at but the 18598-1000, Service Kit for Macerator Pump, 18590 and 18690
on Amazon is about $54 with free shipping.
Emery Stora
> On May 29, 2018, at 7:21 PM, Scott Nutter wrote:
>
> Kleen-Rite has the best prices on the Jabsco 18598-2000 service kit at $52 but add shipping. Same thing at Amazon is $105.
> Just something to think about.........
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| Re: [GMCnet] Repair of Jabsco Macerator Pump [message #332776 is a reply to message #332576] |
Tue, 29 May 2018 23:24 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
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I'm looking at the -2000. It has the garden hose attachment by the impeller. The -1000 has the barbed attachment. Hard to believe, but that is the $50 difference on Amazon.
Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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