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Monarch radiator. 8.3 Cummins/Spartan
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Supporting Member of Barthmobile.com 3/22
Picture of Dana
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quote:
Originally posted by Bob & Yvonne M.:
HI Steve,
I haven't been on here for some time and just saw your posting about your radiator. So glad you got it fixed. It looks like it is quite a process so Congratulations, job well done. My radiator is quite new as Ed had to have one put in when debris from the road got thrown up into the old rad and busted it so I should be good but its always nice to know how to replace it if needed. You do such a good job of documentation with pics.
We hope to see you at the Minnesota get together in June.


Bob have I got a deal for you. You could be an active participant.

About to start on mine. I am not stuck beside the road trying to get somewhere. I can take a little more time but will be doing a few more things. Changing out the hydrostatic fan motor also and draining that system changing filter and fluid.

I drove it up on some planks to raise it up to a nicer working height. I have the parts. That’s how I got the number of the radiator for Steve that fast.

Now the hard work starts. My mind had decided I had to go straight down. Steve showed it could go out the side. Also the fan hydrostatic motor should be easy without the other stuff in the way.


Dana & Lynn
1997 38ft Monarch front entry
Spartan Mountain Master Chassis
Cummins 8.3 325hp
Allison MD-3060 6 speed
22.5 11R
Cummins Factory Exhaust Brake
8000 watt Quiet Diesel Generator
9608-M0022-38MI-4C
Christened Midnight

1972 22ft
Christened Camp Barth
 
Posts: 1383 | Location: Waseca, Minnesota | Member Since: 12-09-2010Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/23
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Good tidings on the radiator change. This cool rainless weather should make the job a bit more comfortable. Don't let it interfere with smoking that pork!!!! Good luck!!


1971 24 ft Barth Continental
P30 chassis
350 engine
 
Posts: 2045 | Location: Clinton Iowa | Member Since: 04-02-2017Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/22
Picture of Dana
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With the things that Steve found and what I have found. I will make modifications that should improve cooling and eliminate the amount of debris that is getting into the radiator. I spent a lot of time getting the radiator cleaned last year. It is full of crap again.

I have gained a better understanding of the airflow.and will alter/seal some places.
It’s pulling stuff right off the ground. Like a big vacuum.

I am betting the rat I found in the air cleaner wasn’t happy with its choice.


Dana & Lynn
1997 38ft Monarch front entry
Spartan Mountain Master Chassis
Cummins 8.3 325hp
Allison MD-3060 6 speed
22.5 11R
Cummins Factory Exhaust Brake
8000 watt Quiet Diesel Generator
9608-M0022-38MI-4C
Christened Midnight

1972 22ft
Christened Camp Barth
 
Posts: 1383 | Location: Waseca, Minnesota | Member Since: 12-09-2010Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 1/24
Picture of Steve VW
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If you look at my earlier photos you will notice, as I did, that the oil cooler was wet on the bottom section. Wasn't sure if it was coolant or oil. Once I got the radiator done I wanted to check on this.

Sure enough it appears to be slow leaking oil somewhere on the rusted bottom tube. I looked on the cooler and the label said it was made by Karmazin Products but no numbers. A call to Spartan confirms that they are out of production. They offered a "similar" unit for $700. Told them I would think about it.

Searching around I found that Thermal Transfer Products makes all kinds of coolers. One is a good match for the coach. Very similar overall dimensions and same mounting bolt holes! Only real difference is the ports are 1 inch NPT, larger than OEM. "Only" $400!

On the left is the TTP cooler: M-20 #285072


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 325+ hp


 
Posts: 5163 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
Official Barth Junkie
Supporting Member of Barthmobile.com 1/24
Picture of Steve VW
posted Hide Post
Got the cooler mounted in place. Installed new AN fittings and attached the hoses. The area needs a bit of painting but should be good.

Hopefully with the rad and the cooler new, I am now done in here for a while!

Have Barth, will travel Tooling Along


9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 325+ hp


 
Posts: 5163 | Location: Kalkaska, MI | Member Since: 02-04-2011Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/23
Picture of Duane88
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looks great.. Stopping leaks before they are a problem while on a trip is a great thing!!


1971 24 ft Barth Continental
P30 chassis
350 engine
 
Posts: 2045 | Location: Clinton Iowa | Member Since: 04-02-2017Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/22
Picture of Dana
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Just noticed something Steve’s new radiator is white or silver. Mine is black. His does have plastic tanks and mine has metal tanks. If I’d have known how beefy/protective the surround was I would have saved some money and gone with the plastic tanks. I wonder if they color them different to keep stock straight? Hmmmmmmmm hmm


Dana & Lynn
1997 38ft Monarch front entry
Spartan Mountain Master Chassis
Cummins 8.3 325hp
Allison MD-3060 6 speed
22.5 11R
Cummins Factory Exhaust Brake
8000 watt Quiet Diesel Generator
9608-M0022-38MI-4C
Christened Midnight

1972 22ft
Christened Camp Barth
 
Posts: 1383 | Location: Waseca, Minnesota | Member Since: 12-09-2010Reply With QuoteReport This Post
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    Forums    Tech Talk    Monarch radiator. 8.3 Cummins/Spartan

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