Home » Public Forums » GMCnet » More help needed.
More help needed. [message #310059] |
Mon, 07 November 2016 19:46 |
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GMC Jimmy
Messages: 199 Registered: September 2016 Location: Niagara, Ontario
Karma: 2
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Senior Member |
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Hello Team GMC, I'm making progress on the interior refresh of my 1975 Royale.
The deconstruction is coming along, I have all winter but I'm in need of more direction.
I believe the fresh water tank is original to the coach, after draining the tank I noticed several items... First, during the PPI the tank was filled to identify water leaks, no real issues related to leaks although the PPI revealed the water level gauge went as high as 3/4 even when full, perhaps due to the sensors in the tank? I tried to unscrew the wires connected to the sensors but no luck so I popped them out so I could remove the tank.
Where can I purchase replacement sensors, if they exist? The ends appear quite corroded.
Is this a straight forward repair or do I need special instructions so I don't have a major leak down the raod... literally?
The main fresh water supply on my coach is at the left rear just behind the generator compartment, the water hose travels along the inside rear to the tank. I also see in the propane tank compartment (right rear) there are two additional water connections, one larger with a hose diameter approximately 1 1/2"? enters the water tank at the upper corner and the other connection (smaller diameter maybe 3/8") also enters into the coach and into the water tank at the opposite upper corner, what are these two connections for?
The inside of the water tank appears dirty, is there a cleaning solution that you recommend, say a water - vinegar mix that can be used to clean and sanitize it?
As always I look forward to your suggestions and appreciate your help.
Stay Well,
Mike
[Updated on: Mon, 07 November 2016 19:52] Report message to a moderator
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Re: More help needed. [message #310062 is a reply to message #310059] |
Mon, 07 November 2016 20:42 |
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Matt Colie
Messages: 8547 Registered: March 2007 Location: S.E. Michigan
Karma: 7
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Senior Member |
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GMC Jimmy wrote on Mon, 07 November 2016 20:46Hello Team GMC, I'm making progress on the interior refresh of my 1975 Royale.
The deconstruction is coming along, I have all winter but I'm in need of more direction.
I believe the fresh water tank is original to the coach, after draining the tank I noticed several items... First, during the PPI the tank was filled to identify water leaks, no real issues related to leaks although the PPI revealed the water level gauge went as high as 3/4 even when full, perhaps due to the sensors in the tank? I tried to unscrew the wires connected to the sensors but no luck so I popped them out so I could remove the tank.
Where can I purchase replacement sensors, if they exist? The ends appear quite corroded.
Is this a straight forward repair or do I need special instructions so I don't have a major leak down the raod... literally?
The main fresh water supply on my coach is at the left rear just behind the generator compartment, the water hose travels along the inside rear to the tank. I also see in the propane tank compartment (right rear) there are two additional water connections, one larger with a hose diameter approximately 1 1/2"? enters the water tank at the upper corner and the other connection (smaller diameter maybe 3/8") also enters into the coach and into the water tank at the opposite upper corner, what are these two connections for?
The inside of the water tank appears dirty, is there a cleaning solution that you recommend, say a water - vinegar mix that can be used to clean and sanitize it?
As always I look forward to your suggestions and appreciate your help.
Stay Well,
Mike
Mike,
Warning: I don't have a Royale. Someone may choose to correct this.
JimK at Applied has the level sensors. Both are better as they are magnetically coupled and have no seal to fail and leak, but both were apparently designed by Cinnabar and are terrible for accuracy. Mine sticks at full and I have to go beat on the tank for it to drop and read the level the one for the black does not even detect the bottom or top third, but it does indicate half pretty well.
The water connection at the left rear (port-aft) goes directly to the pressure potable water and does not fill the tank in most coaches. You can add a valve if it does not. The large line is in the case that you have to put water that is not supplied by pressure. This is like the open end of a hose, and it only goes to the tank.
Vinegar will not sterilize much. Unless you take the tank out or put a service port in the top, you really can't clean out the many years of sediment. Use swimming pool chlorine in a dilute solution or hot tub hydrogen peroxide (needs gloves and eye protection) and like it better because you don't have to waste a day trying to get the chlorine taste out of the potable system. We do use ours for drinking water, but then we always did on the boats too.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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Re: More help needed. [message #310073 is a reply to message #310072] |
Tue, 08 November 2016 06:26 |
tphipps
Messages: 3005 Registered: August 2004 Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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We travel with pets. We carry bottled water to keep their systems regular. Strange water can cause upset and the results are not pleasant.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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Re: [GMCnet] More help needed. [message #310087 is a reply to message #310062] |
Tue, 08 November 2016 10:53 |
emerystora
Messages: 4442 Registered: January 2004
Karma: 13
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Senior Member |
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Matt
He might have the sensors that are wires attached to the side of the tanks rather than the float ones.
By the way the magnetically coupled sensors are an 8700 series Liquid Level Rochester Gauge that have been around for many years.
I first bought them from Golby in Florida many years ago.
I don’t think they were designed by Cinnabar.
Jimmy wrote that he had a 75 Royale. Did Coachmen use the studs into the side of the tank as the level gauge rather than a float?
Emery Stora
77 Kingsley
Frederick, CO
> On Nov 7, 2016, at 7:42 PM, Matt Colie wrote:
>
> GMC Jimmy wrote on Mon, 07 November 2016 20:46
>> Hello Team GMC, I'm making progress on the interior refresh of my 1975 Royale.
>>
>> The deconstruction is coming along, I have all winter but I'm in need of more direction.
>>
>> I believe the fresh water tank is original to the coach, after draining the tank I noticed several items... First, during the PPI the tank was
>> filled to identify water leaks, no real issues related to leaks although the PPI revealed the water level gauge went as high as 3/4 even when full,
>> perhaps due to the sensors in the tank? I tried to unscrew the wires connected to the sensors but no luck so I popped them out so I could remove the
>> tank.
>>
>> Where can I purchase replacement sensors, if they exist? The ends appear quite corroded.
>>
>> Is this a straight forward repair or do I need special instructions so I don't have a major leak down the raod... literally?
>>
>> The main fresh water supply on my coach is at the left rear just behind the generator compartment, the water hose travels along the inside rear to
>> the tank. I also see in the propane tank compartment (right rear) there are two additional water connections, one larger with a hose diameter
>> approximately 1 1/2"? enters the water tank at the upper corner and the other connection (smaller diameter maybe 3/8") also enters into the coach
>> and into the water tank at the opposite upper corner, what are these two connections for?
>>
>> The inside of the water tank appears dirty, is there a cleaning solution that you recommend, say a water - vinegar mix that can be used to clean
>> and sanitize it?
>>
>> As always I look forward to your suggestions and appreciate your help.
>>
>> Stay Well,
>> Mike
>
> Mike,
>
> Warning: I don't have a Royale. Someone may choose to correct this.
>
> JimK at Applied has the level sensors. Both are better as they are magnetically coupled and have no seal to fail and leak, but both were apparently
> designed by Cinnabar and are terrible for accuracy. Mine sticks at full and I have to go beat on the tank for it to drop and read the level the one
> for the black does not even detect the bottom or top third, but it does indicate half pretty well.
>
> The water connection at the left rear (port-aft) goes directly to the pressure potable water and does not fill the tank in most coaches. You can add
> a valve if it does not. The large line is in the case that you have to put water that is not supplied by pressure. This is like the open end of a
> hose, and it only goes to the tank.
>
> Vinegar will not sterilize much. Unless you take the tank out or put a service port in the top, you really can't clean out the many years of
> sediment. Use swimming pool chlorine in a dilute solution or hot tub hydrogen peroxide (needs gloves and eye protection) and like it better because
> you don't have to waste a day trying to get the chlorine taste out of the potable system. We do use ours for drinking water, but then we always did
> on the boats too.
>
> Matt
> --
> Matt & Mary Colie - Members GMCMI, GMCGL, GMCES
> '73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
> Now with both true Keyless and remote entry
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
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Re: More help needed. [message #310089 is a reply to message #310059] |
Tue, 08 November 2016 11:04 |
Adrien G.
Messages: 474 Registered: May 2008 Location: Burns Flat, OK 73624
Karma: 1
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Senior Member |
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GMC Jimmy wrote on Mon, 07 November 2016 17:46Hello Team GMC, I'm making progress on the interior refresh of my 1975 Royale.
The deconstruction is coming along, I have all winter but I'm in need of more direction.
I believe the fresh water tank is original to the coach, after draining the tank I noticed several items... First, during the PPI the tank was filled to identify water leaks, no real issues related to leaks although the PPI revealed the water level gauge went as high as 3/4 even when full, perhaps due to the sensors in the tank? I tried to unscrew the wires connected to the sensors but no luck so I popped them out so I could remove the tank.
Where can I purchase replacement sensors, if they exist? The ends appear quite corroded.
Is this a straight forward repair or do I need special instructions so I don't have a major leak down the raod... literally?
The main fresh water supply on my coach is at the left rear just behind the generator compartment, the water hose travels along the inside rear to the tank. I also see in the propane tank compartment (right rear) there are two additional water connections, one larger with a hose diameter approximately 1 1/2"? enters the water tank at the upper corner and the other connection (smaller diameter maybe 3/8") also enters into the coach and into the water tank at the opposite upper corner, what are these two connections for?
The inside of the water tank appears dirty, is there a cleaning solution that you recommend, say a water - vinegar mix that can be used to clean and sanitize it?
As always I look forward to your suggestions and appreciate your help.
Stay Well,
Mike
Mike, I put 2 boat deck inspection covers on the top of the tank for easy access.
Available at boat places, amazon, and at ?. They're in diff sizes.
https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=boat+deck+inspection+cover
Adrien & Jenny Genesoto
75 Glenbrook (26-3) Mods LS3.70 FD / Reaction Sys / 80mm Front&Intermidiate / Hydroboost / 16" Tires / Frame Rebuild / Interior Rebuild
Yuba City,Ca. Text 530-nine-3-three-3-nine-nine-6
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Re: More help needed. [message #310113 is a reply to message #310059] |
Tue, 08 November 2016 16:15 |
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GMC Jimmy
Messages: 199 Registered: September 2016 Location: Niagara, Ontario
Karma: 2
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Senior Member |
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Thank-you all for your ideas and suggestions.
I too was hoping that someone else with a Royale of the same vintage might be available to offer input. A short time ago I asked on the forum if there were any other owners for this very reason, however, nobody replied. I did receive input from a fellow Canadian who has a 77 Royale.
Adrien, thanks for the suggestion, which one's did you install, I like this idea as an option?
A. Hamilton, thanks for your suggestion regarding the sensors, this one, http://appliedgmc.viaretailparts.com/10-1170 looks closer to what I removed but not identical. I probably shouldn't be looking for identical as these items may have changed over the last 40 years.
My sensors were attached at the side of the tank, 8 in total, 2 side by each. A wire connects to a screw with what appears to be a black washer followed by 2 small nuts... if I can only figure out how to create a folder on the photo archive I could then post images which would make this process much easier.
Thanks again for the ideas, I'm still trying to figure out what the other connections are for?
Regards,
Mike
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Re: [GMCnet] More help needed. [message #310116 is a reply to message #310113] |
Tue, 08 November 2016 16:37 |
Keith V
Messages: 2337 Registered: March 2008 Location: Mounds View,MN
Karma: 0
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Senior Member |
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I answered that I had an Ex Royale....
My black and grey tanks are original, they still say 1976 on them
The level sensors are just rubber rivnuts, you can get them at the local Ace Hardware store.
rip the old ones out, don't bother trying to unscrew them, it won't happen.
LIke these
http://www.hansonrivet.com/rubber-nut-threaded-inserts.htm
Well Nuts : Hanson Rivet
www.hansonrivet.com
RUBBER-NUTS are a flanged rubber bushing with a brass machine nut molded into one end. When seated in the work piece, a conventional machine screw is threaded through ...
When I say rip, I mean carefully twist and work them out so you don't break the tank.
Or cut the heads off and push them inside the tank...
I think I paid extra and got stainless, hopefully the next time the mice eat the wiring I can get them loose
________________________________
From: Gmclist on behalf of Mike
Sent: Tuesday, November 8, 2016 4:15:33 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] More help needed.
Thank-you all for your ideas and suggestions.
I too was hoping that someone else with a Royale of the same vintage might be available to offer input. A short time ago I asked on the forum if there
were any other owners for this very reason, however, nobody replied. I did receive input from a fellow Canadian who has a 77 Royale.
Adrien, thanks for the suggestion, which one's did you install, I like this idea as an option?
A. Hamilton, thanks for your suggestion regarding the sensors, this one, http://appliedgmc.viaretailparts.com/10-1170 looks closer to what I removed
but not identical. I probably shouldn't be looking for identical as these items may have changed over the last 40 years.
My sensors were attached at the side of the tank, 8 in total, 2 side by each. A wire connects to a screw with what appears to be a black washer
followed by 2 small nuts... if I can only figure out how to create a folder on the photo archive I could then post images which would make this
process much easier.
Thanks again for the ideas, I'm still trying to figure out what the other connections are for?
Regards,
Mike
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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Re: [GMCnet] More help needed. [message #310118 is a reply to message #310074] |
Tue, 08 November 2016 16:39 |
Keith V
Messages: 2337 Registered: March 2008 Location: Mounds View,MN
Karma: 0
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Dang it, here's the link
http://appliedgmc.viaretailparts.com/10-1165
________________________________
From: Keith V
Sent: Tuesday, November 8, 2016 4:39:13 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] More help needed.
I think the second link is what you're looking for...
________________________________
From: Gmclist on behalf of A.
Sent: Tuesday, November 8, 2016 7:37:16 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] More help needed.
GMC Jimmy wrote on Mon, 07 November 2016 19:46
> ...I believe the fresh water tank is original to the coach...I tried to unscrew the wires connected to the sensors but no luck so I popped them
> out so I could remove the tank.
>
> Where can I purchase replacement sensors, if they exist?...
Would either of these work?
http://appliedgmc.viaretailparts.com/10-1170
http://appliedgmc.viaretailparts.com/10-1165
--
73 23' Sequoia 4 Sale
73 23' CanyonLands Parts Unit 4 Sale
Upper Alabama
"Highest price does not guarantee highest quality."
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Unsubscribe or Change List Options:
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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Re: [GMCnet] More help needed. [message #310119 is a reply to message #310113] |
Tue, 08 November 2016 16:45 |
powerjon
Messages: 2446 Registered: January 2004
Karma: 5
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Senior Member |
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Mike,
The original level sensors for the potable water and black tank are no longer available. They were a POS anyway. The level sensors from Jim K are a good replacement and I have used them in our first coach and they worked well . The 75 Avion and the 78 Buskirk Stretch use capacitance level sensors that work good too.
Jim K
http://www.appliedgmc.com/prod.itml/icOid/839
http://www.appliedgmc.com/prod.itml/icOid/838
Capacitance Level system
http://www.appliedgmc.com/prod.itml/icOid/1181
I have this one and it work well in the stretch.
JR Wright
Michigan
> On Nov 8, 2016, at 5:15 PM, Mike wrote:
>
> Thank-you all for your ideas and suggestions.
>
> I too was hoping that someone else with a Royale of the same vintage might be available to offer input. A short time ago I asked on the forum if there
> were any other owners for this very reason, however, nobody replied. I did receive input from a fellow Canadian who has a 77 Royale.
>
> Adrien, thanks for the suggestion, which one's did you install, I like this idea as an option?
>
> A. Hamilton, thanks for your suggestion regarding the sensors, this one, http://appliedgmc.viaretailparts.com/10-1170 looks closer to what I removed
> but not identical. I probably shouldn't be looking for identical as these items may have changed over the last 40 years.
>
> My sensors were attached at the side of the tank, 8 in total, 2 side by each. A wire connects to a screw with what appears to be a black washer
> followed by 2 small nuts... if I can only figure out how to create a folder on the photo archive I could then post images which would make this
> process much easier.
>
> Thanks again for the ideas, I'm still trying to figure out what the other connections are for?
>
> Regards,
> Mike
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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