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Old 09-11-2019, 10:14 AM   #1
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Need parts for basement air, '04 Itasca Horizon, 36GD

Hey gang,
Well, I'm proud to say that, our '04 Itasca Horizon 36GD with the CAT C-7 330HP is just a hair over 15 years old and the basement A/C is still working great! A while ago, as in say, 6+ years ago, I pulled that basement A/C out and did some minor upgrades. Basically, I replaced that really dumb bronze fan bushing with a sealed bearing. It made the operation of that unit considerably quieter.
But, that was then, this is now. I've got some noises coming from it that I think are maybe from the other fan in there. Kind-a like some muffled clanking around while it's running. I'm thinking that one or maybe the other fan, is loose on a shaft. But, what I'm looking for, is a newer and more improved fan that some of you have installed.

Bill, or otherwise known as "Duner", was instrumental in helping provide a great write up on how to remove that basement A/C and, take it apart to do the maintenance. I think, he's installed that newer fan but, my memories not all that good anymore, not that it ever was Anyway, if Bill sees this and or, anyone else that's done any sort of upgrading on the fans etc. in these basement A/C's, I'd sure like some reference numbers or sites so I can order up the parts. At this point in time, I've not had it out recently to confirm just exactly what, is making any noise. But, I'm kind-a assuming. Thanks a heap folks.
Scott
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Old 09-11-2019, 01:52 PM   #2
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From Duner's writeup: "The new Outdoor Blower Wheel Package is p/n 1472-1161. Cost is $47"
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Old 09-11-2019, 02:29 PM   #3
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Quote:
Originally Posted by cbeierl View Post
From Duner's writeup: "The new Outdoor Blower Wheel Package is p/n 1472-1161. Cost is $47"
Heeeeey Chris,
I can't thank you enough. Wondering, is that a Winne part number or, some other aftermarket? I gotta find his write up and re-read it. Thanks again.
Scott
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Old 09-11-2019, 03:06 PM   #4
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It is a Coleman parts number
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Old 09-11-2019, 04:36 PM   #5
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Here's an Amazon listing (which also includes a Winnebago part number):

Coleman Blower Wheel - Outside Air
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Old 09-11-2019, 05:35 PM   #6
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For those who may be looking for "Duner's" write-up, here's a link to a copy.

"Ray, IN" listed this and more A/C references at this post.
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Old 09-12-2019, 12:52 AM   #7
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Hello Scott,

Adventure RV has the blower wheel for $50.62 + shipping. I've used them a few times thru the years and have received good service. They have about 500 parts listed for Coleman a/c units. While you have the unit apart check the play on the outdoor motor shaft because it may be worn out after 15 yrs running some of the time with a bad brass bearing and probably a defective metal blower wheel. For $215, I think I'd replace it too p/n 1468a3029.

https://www.adventurerv.net/blower-w...93guai398ng3j2

In 2008 I replaced the outdoor motor, blower wheel, and brass bearings and my a/c runs quite as a mouse. Last year we were in Las Vegas in Aug for 5 crazy days of 118 deg and the A/C ran 24 hrs straight. Knock on wood, it's running quieter and efficient as new.

Good luck and I hope you can keep cool!
Bill
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Old 09-12-2019, 09:32 AM   #8
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Hellllllllloooooo Bill,
I sure hope you and Helen are doing fine. I really, really appreciate you chiming in here with VALUABLE information. The A/C project is the next in line. I'm working on my awnings right now. I've got a Carefree Eclipse main awning and a Carefree Oasis door awning. The door awning has been giving me grief almost ever since we bought the coach, just over 8 years ago. I'd extend it out to the point the "elbows" would lock straight. But, when it comes time to retract it, "nope, I ain't coming in" as if it would tell me. But, if I manually "kinked" the elbows while the wife pushed the retract button, it comes right in.

If I got up there and fed that motor 12V direct from a battery, it would kink those elbows in a heartbeat and zoom that door awning right in.

Well, fast forward a few years and, my main awning, the Eclipse is doing the same thing, almost exactly. But, there's times when I can feed it 12V direct from a battery and, NOTHING. It just sits there, extended and ain't coming in. But, if I wait a few minutes and try it again, it will come in a foot or so, then quit again.

So, I ordered and received and installed a new motor. Well, guess what, it still does the same thing only, when I feed that new motor 12V directly, it comes in all the way. So, I think I've got two problems with that main awning. One is cured with the new motor. The other, is either a weak *resettable* fuse. Never have figured how one manufactures a "resettable" fuse. Anyway, it's either a bad resettable fuse or, a bad mini-relay in that "Dometic A&E" WeatherPro" control box in my compartment. I got those parts on the way.

Once I figure those issues out, it's time to attack the A/C issue. I sure as heck don't want that thing grenading while we're using it, and it's warm, and we're waaaaaaaaaay out and away from home and no place to work on it.
Thanks again, I'll get those parts on a list and ready to order.
Scott
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Me, Karla and the Sophie character, (mini Schnauzer)
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