The freon lines have to be emptied and evacuated re routed and reconnected then vacuum evacuated again then only a certified a c tech can legally buy enough freon to recharge the unit and they ll have the proper tools to do that.
How to remove ac unit from roof.
Removing the roof air conditioning.
The new unit is much quieter and moves much more air.
Remove the air conditioning unit placing it on its side and take out the sponge rubber gasket.
Clean the indoor line at the air conditioner condenser unit.
Repeat up to three times to clear the clogged line.
Place the new gasket and reassemble the rooftop unit wiring and plastic housing.
I ve used a utility knife to cut the gasket making it easier to remove the ac unit.
At least the roof top portion of the unit.
First remove the four screws that hold the cover on the air conditioner.
Removing the roof air conditioning.
It weighs 100 lbs so 2 people will be needed to move it.
What i normally do is get a hacksaw blade and try and cut some of the gasket and then get a flat bar under the ac between the roof and then pry up and it should come free.
I removed those and the whole cover slid off in one piece.
Shimmy the whole ac cover off in one piece.
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Please review my reroof summary the link is shown below.
I use sealer between the gasket roof when reinstalling it.
These hold the cover in place over the rooftop ac unit.
Use a wonder bar or putty knife to pry loose the caulk and or butyl tape that was used to make a watertight seal on the air conditioner.
Here s a look at the inside of a coleman rv air conditioner.
Keeping your rooftop ac unit clean and functioning duration.
Use a funnel to pour a warm water and bleach mixture into the line.
After you get the air conditioner free from the roof it is time to lower it down off the roof.
Well that can get pretty expensive.
Removing the main unit from the roof.
The first thing you ll notice is four big phillips head screws with black washers under them.
Sometimes these can get stuck on really good in fact some rv manufacturers will put silicone under the gasket on the roof which makes it impossible for the ac unit to come off.
Remove the mounting bolts as well as the screws and bolts that secure the air conditioning unit s cover.
The mounting bolts which you can easily access from the interior of your rv.
The gasket is compressed using 3 4 bolts i e.
Remove the roof top air conditioner cover.
If the gaskets have been there for a long time they will be stuck to the roof.
I replaced the old dometic unit with this new dometic duo therm brisk 2 air 13500btu.