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Old 03-01-2013, 12:57 PM   #1
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air conditioner issue

Well after a great response from my first post I thought i'd run this one by you all. On my first outing with my trailer late summer I was at a remote camp site no hookups I cranked up the air conditioner (13,500btu) to cool her down while I was in the water gold dredging have a 4000W/ 3200W generator runs for 12 hours on a tank full and ran the air no problem all day into early evening then shut down the air using the gen only for the micro and lights. The next morning I tried to crank the air up to run while on the creek and it kept tripping my breaker switch on my generator wouldn't even let the air start but would run the fan option on the air conditioner fine. I talked to some fellow RV'ers at the camp and they told me to get up on the roof and tap on the compressor motor a few time it's common for them to stick after running down the road bouncing and jarring
. This was not an option for me as I wasn't going to trash my rubber roof getting up there or even think of beating on the unit so i toughed it out for the weekend. After arriving home just for sh#$ts and giggles I cranked up the gen went into the trailer turned on the air and it worked fine???
So my question is were these guy's right about my AC unit is this really common ? please any input on this would be greatly appreciated.

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Old 03-01-2013, 02:39 PM   #2
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If you are going to use a portable generator you may want to read this RV Air Conditioner Hard Start Capacitor | ModMyRV
and possibly purchase a hard start capacitor.


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Old 03-01-2013, 03:43 PM   #3
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good tip and thanks for the informative link this will be my next purchase gotta have air for those after lunch naps in the woods
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Old 03-01-2013, 05:09 PM   #4
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Had anyone here ever install and or use the supco spp6e hard start capacitor would like to get some feedback on this item or others that you may suggest thank you.
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Old 03-01-2013, 05:13 PM   #5
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I have installed several of them for friends and on our 2 ACs. I don't know the brand name. i got them from an RV Parts store.
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Old 03-03-2013, 08:34 PM   #6
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As a side note: Getting on your roof won't "trash your rubber roof". In fact, getting on the roof is necessary from time to time to properly maintain the roof and (as you've found out) other equipment up there.
I clean my roof once a year with a rubber roof cleaner/protectant. I wash and scrub the roof as well as check all the caulked seams and joints. From time to time I also have to get up there to work on vent hatches, ladders, etc.
Just don't wear cleats and make sure your shoes are clean.
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Old 03-03-2013, 09:22 PM   #7
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Thanks for the tips I was told that you should use some sort of smooth plywood to distribute your weigh while up there is this really needed? I'm going to do the ac mod in a few weeks hope it helps.
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Old 03-06-2013, 03:47 PM   #8
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Make sure you have lights, TV, toaster, whatever, shut off when you first start the unit. You need every bit of power you can get for the initial start with a smaller genset.
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Old 03-06-2013, 05:27 PM   #9
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Originally Posted by Gldgr777 View Post
Thanks for the tips I was told that you should use some sort of smooth plywood to distribute your weigh while up there is this really needed? I'm going to do the ac mod in a few weeks hope it helps.
Some of the lighter weight trailers have pretty thin roof decking and you could damage it if you placed too much weight in one area.

If I am going to be in on place working on my Cameo which does have a good decking, I will take a couple of pieces of 2' x 3' - 3/8" plywood to work from.


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