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Old 04-18-2016, 02:04 PM   #11
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So there is a you tube video of one of these change outs and he recorded to noise before and after which resulted in 8db less at about 30 ft. He also showed the difference between before and after on the roof and it was noticeable enough that I think I am going to do it.

He went from 6 to 3 blade which is what I would be doing.
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Old 04-18-2016, 02:35 PM   #12
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That's about twice as quiet.
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Old 07-14-2016, 11:33 AM   #13
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Has anyone installed a Mach 8 Hush Kit from the The Perfect Casita web site?

Coleman-Mach is sending me a new fan blade. Hopefully that will help in reducing the noise from our Mach 8 A/C.

2 of the 3 bolts that hold the fan motor's isolators / spacers to the A/C bottom vibrated loose and came off. Coleman-Mach is also sending me new isolator packages as replacement.

Anyone who has replaced the fan motor's isolators / spacers have any tips or suggestions for getting the bolts inserted through the A/C holes from underneath the A/C?

Thanks in advance for any replies and help.
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Old 07-14-2016, 02:09 PM   #14
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You have to loosen the unit and raise it up, no other way that I know of.
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Old 07-15-2016, 05:48 AM   #15
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Quote:
Originally Posted by Grumpy View Post
You have to loosen the unit and raise it up, no other way that I know of.
Thanks Grumpy for the reply.
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Old 07-19-2016, 02:37 PM   #16
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Mach 8 Failure

I had not seen this post and in 97 degree heat in Utah I had a catisrophic failure as originally posted. The unit made a little noise and then the fan blade failed and broke the isolation mounts clean off the mount. I called numerous local RV repair shops and no luck. Submitted 2 requests to Airexcel and received no response. Contacted local rep and they were not able to even find the old part, they put me in touch with a Airexcel service that I had to fib a bit about my qualifications the get her to overnight the parts. $65.00 shipping for overnight. Very unsatisfactory customer service and I am having to stay an extra night on my dime. There should have been a recall on these fans. I'm having to do the repair also but I am qualified, what if it were an elderly couple who couldn't do the work, it would cost them a lot and time.
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Old 07-19-2016, 02:54 PM   #17
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Quote:
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. Submitted 2 requests to Airexcel and received no response.
?????

I had two heatpump failures and both times AIR EXCEL was very responsive. When the first one failed they told me who their local service center was and to have the tech call when he arrived.
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Old 10-10-2017, 06:58 AM   #18
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Had blower wheel explode on our 2016 Jayco North Point at 3 am. Sounded like a tree hitting the roof.


https://imgur.com/a/iJBDP
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Old 10-19-2017, 10:18 PM   #19
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blower wheel model # 47204A879

Quote:
Originally Posted by cmykpro View Post
Had blower wheel explode on our 2016 Jayco North Point at 3 am. Sounded like a tree hitting the roof.
https://imgur.com/a/iJBDP
I also have a 2016 Jayco North Point, model 311RKTS. Has two AC units, and the main units (model # 47204A879) blower wheel (model # 1472A1191) exploded this week similar to cmykpro's post. Mine only lost about a quarter of the wheel, which still caused it to be out of balance.

Called Airxcel Inc. and they said I would have to pay $32 plus shipping. This is obviously a design flaw or poor manufacturing.
Some things should not be made out of plastic . or . use a better / stronger type of plastic / carbon fiber material.

Called Airxcel before finding cmykpro's recent post with same issue. Could there be other instances of this or another thread regarding these blower wheel / fan cage failures ?
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Old Yesterday, 06:15 AM   #20
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They told me they would send out a new wheel free of charge under warranty. This was 2 weeks ago and still nothing.
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