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01-27-2008, 05:02 PM
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#1
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Generator Cabinet Damage - Onan
UH-OH! Onan owners - BEWARE!
Checked my batteries yesterday and noticed the inside of the door was melted. Looked further and the whole door is bowed out like a bubble!!
Turns out there is a pass through in the base of the generator for a forward tailpipe that is open to the bottom. The generator throws enough heat that it started to distort the cabinet door. Wasn't a problem on our last Montna, as the door was vented. Guess I'll have to plug it and maybe line the cabinet door with some type of heat reflective material. I think the door is salvageable.
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01-27-2008, 05:24 PM
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#2
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Montana Master
Join Date: Jan 2006
Location: South
Posts: 2,499
M.O.C. #5140
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Brad - sorry to see this. I know that you can make an improved repair...
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01-27-2008, 06:00 PM
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#3
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Montana Master
Join Date: Nov 2007
Location: Palmer
Posts: 1,526
M.O.C. #7893
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EEE GADS, thanks for sharing. It is too late now but I will have to check to see if I have this exhaust hole in mine. I do not remember one, but then again, I have not checked my door.
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01-28-2008, 01:24 AM
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#4
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Montana Master
Join Date: Apr 2007
Location:
Posts: 992
M.O.C. #7128
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I'ma bettin you can fixit good. Darn shame it did it in the first place, don't take nutin for granted.
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01-28-2008, 08:10 AM
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#5
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Montana Fan
Join Date: Mar 2005
Location: Keystone Heights
Posts: 164
M.O.C. #3433
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Brad,
I installed an Onan Genset in my '08 Monty and wanted a bit more ventilation. I went to Lowes an got a louvered return air vent with the quick open filter panel. I cut out the opening in the gen compartment door and use one of the heavy blue fiber type filters. The filter is mainly to keep mud and road grime off of the generator. The color even matches the door. If you want a picture let me know.
Dee
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01-28-2008, 08:24 AM
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#6
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Dee,
I thought I remembered someone posting that they had put in a vent. If you could PM me or post the pic that would be great.
I was kind of enjoying not having the vent like our old Monty, but if this other fix doesn't take care of the problem, it's getting a vent.
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01-28-2008, 11:28 AM
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#7
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Montana Fan
Join Date: Mar 2005
Location: Keystone Heights
Posts: 164
M.O.C. #3433
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Brad,
Here are the photos. You can probably see a little surface rust on the grille after six months in the Florida Keys
http://s110.photobucket.com/albums/n...=f35sec6f2.pbw
The last picture shows the fiber filter with the grille open.
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01-28-2008, 01:45 PM
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#8
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Thanks Dee,
Love that flooring!
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01-28-2008, 02:10 PM
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#9
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Montana Master
Join Date: Nov 2005
Location: Paola
Posts: 5,739
M.O.C. #4961
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Brad, this is the fix that Onan puts on all the new generators just for that problem on the new Montana's. As you can see it is nothing more than foil tape. I have ran mine in some really hot weather without any problem.
http://tinypic.com/view.php?pic=208u0r9&s=3
__________________
Dennis & Linda Ward
Paola, Kansas
Montana 3735MK Legacy Edition
1200 watts of Solar
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01-28-2008, 02:15 PM
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#10
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Thanks Dennis! I'm going to stop in at Cummins this week to get the fix. For some reason I thought your fix was down below with a deflector?
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01-28-2008, 02:32 PM
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#11
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Montana Master
Join Date: Nov 2005
Location: Paola
Posts: 5,739
M.O.C. #4961
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Brad, that was a different problem down below. That was when the hot air was being sucked back into the intake because of no deflector shield.
__________________
Dennis & Linda Ward
Paola, Kansas
Montana 3735MK Legacy Edition
1200 watts of Solar
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01-28-2008, 04:10 PM
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#12
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Montana Fan
Join Date: Jun 2007
Location: Casper
Posts: 113
M.O.C. #7272
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Brad,
In addition to the opening that you noticed, there is also another vent opening on the back of the generator as well. I was concerned that the tape would eventually peel off and opted to use an expanding foam sealant to fill the holes. I was able to gain access to the holes by removing the tailpipe from the muffler and spraying a little at a time to fill the cavities. Plugging all of the holes dramatically reduced the temp in the gen compartment.
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01-28-2008, 04:13 PM
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#13
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Thanks for the info DW! I was afraid somebody might say that. I just had a feeling if there was a hole in the front, there might be one in the back.
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