Home » Public Forums » GMCnet » Macerator pump configuration
| Macerator pump configuration [message #357483] |
Tue, 04 August 2020 08:40  |
tgeiger
Messages: 518
Registered: February 2006
Location: kansas city
Karma: -1
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Senior Member |
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I’ve done a little research on macerator configurations. I’ve seen 2 basic methods of mounting the pumps in the pictures I’ve looked at. One is using saddle hangars and attach to the underside of the aluminum cross plates with what I assume are metal screws. I think this would work fine for the large pipe support but not sure I want to do that for the pump support. I like the additional steel plate platform to mount the pump on so that the vibration of the pump will be absorbed by its rubber mounting feet. I do like adding the gate to the pipe branch leading to the pump to allow for service or replacement of the pump. I do like the idea of using the larger ribbed hose on the discharge side but wonder how the connection is done for the longer discharge hose to the disposal hole at dump sites. Is the under carriage discharge hose and outside discharge hose connected with a quick connect or a screw on connection? Not seeing any pics on that part of it.
PS: Oh, one more question that wasn’t clear on some of the pics is what do you guys do on the routing of the under carriage discharge hose? Is running the route its shortess distance help in the discharge force and clean up?
Thanks,
TG
Tom Geiger
76 Eleganza II
KCMO
[Updated on: Tue, 04 August 2020 08:49] Report message to a moderator |
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| Re: [GMCnet] Macerator pump configuration [message #357485 is a reply to message #357483] |
Tue, 04 August 2020 09:03  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Tom,
SOME of your answers: I too prefer to build steel platforms to set the
pump on rather than hanging it -- just my choice. Frankly, I don't
remember at the moment whether I've still got a quick disconnect on my
drain hose -- it's obviously been a LONG time since I've used it if I do.
In my case, I've got a long storage tube beneath the left side of the coach
into which the drain hose slides. (It's a piece of the orange "conduit"
commonly used when they bury fiber optics for 'phone, etc. -- lots of
scraps of that around any time they install it.) Mostly, that tube is
inside the frame channel, but at crossmembers it passes just beneath those
if there's no hole available for it. Wide tywraps secure it.
The drain hose is NOT corrugated -- I don't like the idea of all those
traps inside. There are externally corrugated ones with smooth interiors,
I think. Mine is just cord reinforced vinyl 1-1/2" OD, IIRC. It's about
20' long, so no need for connectors for dump stations.
Ken H.
On Tue, Aug 4, 2020 at 9:41 AM tom geiger via Gmclist <
gmclist@list.gmcnet.org> wrote:
> I’ve done a little research on macerator configurations. I’ve seen 2 basic
> methods of mounting the pumps in the pictures I’ve looked at. One is
> using saddle hangars and attach to the underside of the aluminum cross
> plates with what I assume are metal screws. I think this would work fine
> for
> the large pipe support but not sure I want to do that for the pump
> support. I like the additional steel plate platform to mount the pump on
> so that
> the vibration of the pump will be absorbed by its rubber mounting feet. I
> do like adding the gate to the pipe branch leading to the pump to allow for
> service or replacement of the pump. I do like the idea of using the
> larger ribbed hose on the discharge side but wonder how the connection is
> done
> for the longer discharge hose to the disposal hole at dump sites. Is the
> under carriage discharge hose and outside discharge hose connected with a
> quick connect or a screw on connection? Not seeing any pics on that part
> of it.
>
> Thanks,
> TG
> --
> Tom Geiger
> 76 Eleganza II
> KCMO
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Macerator pump configuration [message #357486 is a reply to message #357485] |
Tue, 04 August 2020 09:42 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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On Royale coaches, and perhaps others as well, there is a triangular space
on the drivers side rear of the coach that a mascerator will fit into quite
compactly, among with its wiring, and plumbing. Only one drawback. The
discharge nozzle points towards the side frame rail. I pondered that a bit,
then got out my trusty 1/2" chuck heavy duty corded electric drill and a
metal cutting hole saw, and bored a hole through the frame rail. Then I
plumbed through that hole and terminated that with a 90° on-off valve and a
1" hose connection for heavy duty garden hoses. I carry a short piece of 1"
hose, as well as a longer one for less accessible dump stations. It is all
tucked up neatly out of the way, and nearly invisible. Sure doesn't drag on
the ground or any place near it. I put the on/off switch inside the
generator compartment to keep passers by from switching my pump on, and
powered it from my house batteries. Been working for years. Don't know how
I ever got along without a mascerator before I had one.
Jim Hupy
Salem, Oregon
On Tue, Aug 4, 2020, 7:04 AM Ken Henderson via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Tom,
>
> SOME of your answers: I too prefer to build steel platforms to set the
> pump on rather than hanging it -- just my choice. Frankly, I don't
> remember at the moment whether I've still got a quick disconnect on my
> drain hose -- it's obviously been a LONG time since I've used it if I do.
> In my case, I've got a long storage tube beneath the left side of the coach
> into which the drain hose slides. (It's a piece of the orange "conduit"
> commonly used when they bury fiber optics for 'phone, etc. -- lots of
> scraps of that around any time they install it.) Mostly, that tube is
> inside the frame channel, but at crossmembers it passes just beneath those
> if there's no hole available for it. Wide tywraps secure it.
>
> The drain hose is NOT corrugated -- I don't like the idea of all those
> traps inside. There are externally corrugated ones with smooth interiors,
> I think. Mine is just cord reinforced vinyl 1-1/2" OD, IIRC. It's about
> 20' long, so no need for connectors for dump stations.
>
> Ken H.
>
>
> On Tue, Aug 4, 2020 at 9:41 AM tom geiger via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> I’ve done a little research on macerator configurations. I’ve seen 2
> basic
>> methods of mounting the pumps in the pictures I’ve looked at. One is
>> using saddle hangars and attach to the underside of the aluminum cross
>> plates with what I assume are metal screws. I think this would work fine
>> for
>> the large pipe support but not sure I want to do that for the pump
>> support. I like the additional steel plate platform to mount the pump on
>> so that
>> the vibration of the pump will be absorbed by its rubber mounting feet.
> I
>> do like adding the gate to the pipe branch leading to the pump to allow
> for
>> service or replacement of the pump. I do like the idea of using the
>> larger ribbed hose on the discharge side but wonder how the connection is
>> done
>> for the longer discharge hose to the disposal hole at dump sites. Is the
>> under carriage discharge hose and outside discharge hose connected with a
>> quick connect or a screw on connection? Not seeing any pics on that part
>> of it.
>>
>> Thanks,
>> TG
>> --
>> Tom Geiger
>> 76 Eleganza II
>> KCMO
>>
>> _______________________________________________
>> 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
>
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| Re: [GMCnet] Macerator pump configuration [message #357487 is a reply to message #357485] |
Tue, 04 August 2020 09:44 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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In order to get more of the tank empty one should ust our Clark fitting as
it is the best design to use to empty the tank.
We have sold numerous amounts of them and it does get 25% more out.
On Tue, Aug 4, 2020 at 7:35 AM James Hupy via Gmclist <
gmclist@list.gmcnet.org> wrote:
> On Royale coaches, and perhaps others as well, there is a triangular space
> on the drivers side rear of the coach that a mascerator will fit into quite
> compactly, among with its wiring, and plumbing. Only one drawback. The
> discharge nozzle points towards the side frame rail. I pondered that a bit,
> then got out my trusty 1/2" chuck heavy duty corded electric drill and a
> metal cutting hole saw, and bored a hole through the frame rail. Then I
> plumbed through that hole and terminated that with a 90° on-off valve and a
> 1" hose connection for heavy duty garden hoses. I carry a short piece of 1"
> hose, as well as a longer one for less accessible dump stations. It is all
> tucked up neatly out of the way, and nearly invisible. Sure doesn't drag on
> the ground or any place near it. I put the on/off switch inside the
> generator compartment to keep passers by from switching my pump on, and
> powered it from my house batteries. Been working for years. Don't know how
> I ever got along without a mascerator before I had one.
> Jim Hupy
> Salem, Oregon
>
>
> On Tue, Aug 4, 2020, 7:04 AM Ken Henderson via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Tom,
>>
>> SOME of your answers: I too prefer to build steel platforms to set the
>> pump on rather than hanging it -- just my choice. Frankly, I don't
>> remember at the moment whether I've still got a quick disconnect on my
>> drain hose -- it's obviously been a LONG time since I've used it if I do.
>> In my case, I've got a long storage tube beneath the left side of the
> coach
>> into which the drain hose slides. (It's a piece of the orange "conduit"
>> commonly used when they bury fiber optics for 'phone, etc. -- lots of
>> scraps of that around any time they install it.) Mostly, that tube is
>> inside the frame channel, but at crossmembers it passes just beneath
> those
>> if there's no hole available for it. Wide tywraps secure it.
>>
>> The drain hose is NOT corrugated -- I don't like the idea of all those
>> traps inside. There are externally corrugated ones with smooth
> interiors,
>> I think. Mine is just cord reinforced vinyl 1-1/2" OD, IIRC. It's about
>> 20' long, so no need for connectors for dump stations.
>>
>> Ken H.
>>
>>
>> On Tue, Aug 4, 2020 at 9:41 AM tom geiger via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> I’ve done a little research on macerator configurations. I’ve seen 2
>> basic
>>> methods of mounting the pumps in the pictures I’ve looked at. One is
>>> using saddle hangars and attach to the underside of the aluminum cross
>>> plates with what I assume are metal screws. I think this would work
> fine
>>> for
>>> the large pipe support but not sure I want to do that for the pump
>>> support. I like the additional steel plate platform to mount the pump
> on
>>> so that
>>> the vibration of the pump will be absorbed by its rubber mounting feet.
>> I
>>> do like adding the gate to the pipe branch leading to the pump to allow
>> for
>>> service or replacement of the pump. I do like the idea of using the
>>> larger ribbed hose on the discharge side but wonder how the connection
> is
>>> done
>>> for the longer discharge hose to the disposal hole at dump sites. Is
> the
>>> under carriage discharge hose and outside discharge hose connected
> with a
>>> quick connect or a screw on connection? Not seeing any pics on that
> part
>>> of it.
>>>
>>> Thanks,
>>> TG
>>> --
>>> Tom Geiger
>>> 76 Eleganza II
>>> KCMO
>>>
>>> _______________________________________________
>>> 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
>>
> _______________________________________________
> 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.gmcrvparts.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] Macerator pump configuration [message #357489 is a reply to message #357487] |
Tue, 04 August 2020 11:13 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
|
Senior Member |
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I have a remote controlled wireless air system in my coach. I have presents
for ride height, as well as tank draining, programmed into my remote
control. When I want to pump my tanks, I push the button, and the coach
squats on the rear, and leans in the direction of the dump station. When it
gets as low as I want, I stop lowering and start pumping. It will drain
both of my tanks completely. When I am finished, I push the button for ride
height. By the time I stow my hoses, I am back to ride height. Off like a
rabbit.
Jim Hupy
Salem, Oregon
On Tue, Aug 4, 2020, 7:45 AM Jim Kanomata via Gmclist <
gmclist@list.gmcnet.org> wrote:
> In order to get more of the tank empty one should ust our Clark fitting as
> it is the best design to use to empty the tank.
> We have sold numerous amounts of them and it does get 25% more out.
>
>
> On Tue, Aug 4, 2020 at 7:35 AM James Hupy via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> On Royale coaches, and perhaps others as well, there is a triangular
> space
>> on the drivers side rear of the coach that a mascerator will fit into
> quite
>> compactly, among with its wiring, and plumbing. Only one drawback. The
>> discharge nozzle points towards the side frame rail. I pondered that a
> bit,
>> then got out my trusty 1/2" chuck heavy duty corded electric drill and a
>> metal cutting hole saw, and bored a hole through the frame rail. Then I
>> plumbed through that hole and terminated that with a 90° on-off valve
> and a
>> 1" hose connection for heavy duty garden hoses. I carry a short piece of
> 1"
>> hose, as well as a longer one for less accessible dump stations. It is
> all
>> tucked up neatly out of the way, and nearly invisible. Sure doesn't drag
> on
>> the ground or any place near it. I put the on/off switch inside the
>> generator compartment to keep passers by from switching my pump on, and
>> powered it from my house batteries. Been working for years. Don't know
> how
>> I ever got along without a mascerator before I had one.
>> Jim Hupy
>> Salem, Oregon
>>
>>
>> On Tue, Aug 4, 2020, 7:04 AM Ken Henderson via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> Tom,
>>>
>>> SOME of your answers: I too prefer to build steel platforms to set the
>>> pump on rather than hanging it -- just my choice. Frankly, I don't
>>> remember at the moment whether I've still got a quick disconnect on my
>>> drain hose -- it's obviously been a LONG time since I've used it if I
> do.
>>> In my case, I've got a long storage tube beneath the left side of the
>> coach
>>> into which the drain hose slides. (It's a piece of the orange
> "conduit"
>>> commonly used when they bury fiber optics for 'phone, etc. -- lots of
>>> scraps of that around any time they install it.) Mostly, that tube is
>>> inside the frame channel, but at crossmembers it passes just beneath
>> those
>>> if there's no hole available for it. Wide tywraps secure it.
>>>
>>> The drain hose is NOT corrugated -- I don't like the idea of all those
>>> traps inside. There are externally corrugated ones with smooth
>> interiors,
>>> I think. Mine is just cord reinforced vinyl 1-1/2" OD, IIRC. It's
> about
>>> 20' long, so no need for connectors for dump stations.
>>>
>>> Ken H.
>>>
>>>
>>> On Tue, Aug 4, 2020 at 9:41 AM tom geiger via Gmclist >> gmclist@list.gmcnet.org> wrote:
>>>
>>>> I’ve done a little research on macerator configurations. I’ve seen 2
>>> basic
>>>> methods of mounting the pumps in the pictures I’ve looked at. One is
>>>> using saddle hangars and attach to the underside of the aluminum
> cross
>>>> plates with what I assume are metal screws. I think this would work
>> fine
>>>> for
>>>> the large pipe support but not sure I want to do that for the pump
>>>> support. I like the additional steel plate platform to mount the
> pump
>> on
>>>> so that
>>>> the vibration of the pump will be absorbed by its rubber mounting
> feet.
>>> I
>>>> do like adding the gate to the pipe branch leading to the pump to
> allow
>>> for
>>>> service or replacement of the pump. I do like the idea of using the
>>>> larger ribbed hose on the discharge side but wonder how the
> connection
>> is
>>>> done
>>>> for the longer discharge hose to the disposal hole at dump sites. Is
>> the
>>>> under carriage discharge hose and outside discharge hose connected
>> with a
>>>> quick connect or a screw on connection? Not seeing any pics on that
>> part
>>>> of it.
>>>>
>>>> Thanks,
>>>> TG
>>>> --
>>>> Tom Geiger
>>>> 76 Eleganza II
>>>> KCMO
>>>>
>>>> _______________________________________________
>>>> 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
>>>
>> _______________________________________________
>> 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.gmcrvparts.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: Macerator pump configuration [message #357491 is a reply to message #357483] |
Tue, 04 August 2020 12:10 |
tgeiger
Messages: 518
Registered: February 2006
Location: kansas city
Karma: -1
|
Senior Member |
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All good ideas guys. Like the conduit plastic piping idea for under the coach so no sagging. Will look into it for exterior discharge to dump drain if I can figure a quick easy storage for it. I like the idea of a pvc storage pipe running length wise on driver side to store drainage hose in. Jim will order your connection flange as well, just have to figure up the other items I was planning on getting from ya.
Thanks guys,
TG
Tom Geiger
76 Eleganza II
KCMO
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| Re: Macerator pump configuration [message #357495 is a reply to message #357483] |
Tue, 04 August 2020 13:00 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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Tom
Here’s my macerator photo album - may answer some of your questions.
http://www.gmcmhphotos.com/photos/g5767-macerator-for-73-2c-23-ft-coach.html
Dennis
tgeiger wrote on Tue, 04 August 2020 08:40I’ve done a little research on macerator configurations. I’ve seen 2 basic methods of mounting the pumps in the pictures I’ve looked at. One is using saddle hangars and attach to the underside of the aluminum cross plates with what I assume are metal screws. I think this would work fine for the large pipe support but not sure I want to do that for the pump support. I like the additional steel plate platform to mount the pump on so that the vibration of the pump will be absorbed by its rubber mounting feet. I do like adding the gate to the pipe branch leading to the pump to allow for service or replacement of the pump. I do like the idea of using the larger ribbed hose on the discharge side but wonder how the connection is done for the longer discharge hose to the disposal hole at dump sites. Is the under carriage discharge hose and outside discharge hose connected with a quick connect or a screw on connection? Not seeing any pics on that part of it.
PS: Oh, one more question that wasn’t clear on some of the pics is what do you guys do on the routing of the under carriage discharge hose? Is running the route its shortess distance help in the discharge force and clean up?
Thanks,
TG
Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: [GMCnet] Macerator pump configuration [message #357499 is a reply to message #357495] |
Tue, 04 August 2020 13:41 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
|
Senior Member |
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Tom:
I think the pictures from Dennis are the “preferred” setup.
In the last five years I’ve had to use the tank valve exactly twice. Once because of improperly disposed of feminine hygiene products, and then a couple of weeks ago to replace the two decade old macerator.
I use a piece of 3/4” red rubber “contractor grade" hose for the exit. I’ve had the corrugated hose shown in Dennis’ pictures (but we go out in the late fall and it becomes difficult to deal with). I used a reducer before making the jump to the 3/4, and besides it taking another 30 seconds to empty the tank, it’s not been a problem.
I consider this one of the best upgrades that can be made to any kind of RV.
FWIW, I’ve never had to open the second valve (ever), and there’s never been a stinky slinky hooked up to it.
Your mileage my vary. Batteries not included. Offer void in in East Moldova.
Dolph
DE AD0LF
Wheeling, West Virginia
1977 26’ ex-PalmBeach
Howell EFI & EBL, Reaction Arms, Manny Transmission
“The Aluminum and Fiberglass Mistress”
|[ ]~~~[][ ][] \
"--OO--[]---O-"
> On Aug 4, 2020, at 2:00 PM, Dennis Sexton via Gmclist wrote:
>
> Tom
>
> Here’s my macerator photo album - may answer some of your questions.
>
> http://www.gmcmhphotos.com/photos/g5767-macerator-for-73-2c-23-ft-coach.html
>
> Dennis
>
> tgeiger wrote on Tue, 04 August 2020 08:40
>> I’ve done a little research on macerator configurations. I’ve seen 2 basic methods of mounting the pumps in the pictures I’ve looked at. One
>> is using saddle hangars and attach to the underside of the aluminum cross plates with what I assume are metal screws. I think this would work fine
>> for the large pipe support but not sure I want to do that for the pump support. I like the additional steel plate platform to mount the pump on so
>> that the vibration of the pump will be absorbed by its rubber mounting feet. I do like adding the gate to the pipe branch leading to the pump to
>> allow for service or replacement of the pump. I do like the idea of using the larger ribbed hose on the discharge side but wonder how the
>> connection is done for the longer discharge hose to the disposal hole at dump sites. Is the under carriage discharge hose and outside discharge hose
>> connected with a quick connect or a screw on connection? Not seeing any pics on that part of it.
>>
>> PS: Oh, one more question that wasn’t clear on some of the pics is what do you guys do on the routing of the under carriage discharge hose? Is
>> running the route its shortess distance help in the discharge force and clean up?
>> Thanks,
>> TG
>
> --
> Dennis S
> 73 Painted Desert 230
> Memphis TN Metro
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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