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Old 08-20-2016, 05:25 PM   #31
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Great progress Chili. Today's heat was a bi*ch. I got some done on mine as well and will post pics.
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Old 08-20-2016, 09:03 PM   #32
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Nah man, it was pleasant today, you spend too much time in the a/c ;) . We got woken up at 6:30am for the Watermelon walk for the fallen, Youngster loved seeing some planes in formation, sky divers, all kinds of goodies. FIL came by and gave the bus a thumbsup on the mechanical side, also showed me how to take down my a/c to get my last 2 roof panels out.
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Old 08-20-2016, 10:24 PM   #33
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if you are keeping that Air unit, clean it up wile you have it apart.. te drain lines love to clog on those as do the coils... and be careful wit htose refrigerant lines... the rubber will crack or kink if you leave it in a stressed position too long... im assuming you supported it someow...

you COULD move that evaporator to the front of the bus and re-pipe it in if you want it for road A/C rather tan attempted to duct it...

those lines are easy to make...

-Christopher
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Old 08-21-2016, 06:27 AM   #34
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Originally Posted by ChiliChzPoopTart View Post
Nah man, it was pleasant today, you spend too much time in the a/c ;) . We got woken up at 6:30am for the Watermelon walk for the fallen, Youngster loved seeing some planes in formation, sky divers, all kinds of goodies. FIL came by and gave the bus a thumbsup on the mechanical side, also showed me how to take down my a/c to get my last 2 roof panels out.
You are correct, that a/c will spoil a person. I just need a good fan to keep the air moving.
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Old 08-21-2016, 06:33 AM   #35
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Originally Posted by cadillackid View Post
if you are keeping that Air unit, clean it up wile you have it apart.. te drain lines love to clog on those as do the coils... and be careful wit htose refrigerant lines... the rubber will crack or kink if you leave it in a stressed position too long... im assuming you supported it someow...

you COULD move that evaporator to the front of the bus and re-pipe it in if you want it for road A/C rather tan attempted to duct it...

those lines are easy to make...

-Christopher
I did take the front panel off and the fins were pretty clogged. I saw on youtube a while back about someone cleaning their rooftop a/c fins with a spay bottle of cleaner/dissolver. Is there anything special about the formula or will any cleaner/degreaser work like 409 or something?

That a/c unit is just temporary while I do the demo for the next 2 months. After then it will start to cool down here in Houston. By the time next summer rolls around it'll be fully insulated, new insulating paint on the roof, and I may even pay for a covered spot so the heat won't be as much of a factor.
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Old 08-21-2016, 07:29 AM   #36
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That's what happens when you live in a swamp.
I didn't know they had swamps in KY.
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Old 08-21-2016, 08:07 AM   #37
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Join Date: May 2009
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I did take the front panel off and the fins were pretty clogged. I saw on youtube a while back about someone cleaning their rooftop a/c fins with a spay bottle of cleaner/dissolver. Is there anything special about the formula or will any cleaner/degreaser work like 409 or something?

That a/c unit is just temporary while I do the demo for the next 2 months. After then it will start to cool down here in Houston. By the time next summer rolls around it'll be fully insulated, new insulating paint on the roof, and I may even pay for a covered spot so the heat won't be as much of a factor.
depending on the coils you have to be careful with certain acid cleaners as they can eat the solder that was used to make the coils.. alot of time of the dirt is topical... you can get it wet then use a coil brush and the glop will just come off...

you can use a nice no rinse cleaner.. you want no rinse as its tough to hose inside of the bus around the A/C unit.

https://www.amazon.com/Nu-Calgon-417...SIN=B00DM8KQ3I

you will also want to clean the coils underneath the bus too as those get very dirty too (im talking coach A/C)..

even insulated heat will still be a factor.. you will want air-conditioning esp for driving as school busses put off a ton of engine heat.. RE busses dont have that issue but conventionals and front engine busses tend to have "hot-seat" in the driver position...

-Christopher
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Old 08-21-2016, 09:00 AM   #38
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Take down should be pretty easy, its got quick connects on all the lines from up front, handful of wires that I will be taking pictures of. It's supported with 4 pieces of all thread so I'm thinking put my scaffold under it, shimmy up to it with some block then disco and gun the nuts off. We shall see.

I like the unit being at the back as it's (more or less) out of the way so I think ducting will be my best option.

Sorry CB, it says Florida on the left.
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Old 08-21-2016, 09:11 AM   #39
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Quote:
Originally Posted by ChiliChzPoopTart View Post
Take down should be pretty easy, its got quick connects on all the lines from up front, handful of wires that I will be taking pictures of. It's supported with 4 pieces of all thread so I'm thinking put my scaffold under it, shimmy up to it with some block then disco and gun the nuts off. We shall see.

I like the unit being at the back as it's (more or less) out of the way so I think ducting will be my best option.

Sorry CB, it says Florida on the left.
be sure to recover the freon first!!!! dont just yank the lines... freon can and will destroy eyes and skin ifyou arent careful...

then tape off the lines to keep dirt out... blue tape works fine..

when you re-install it, replace the receiver / drier (near the condenser usually).. evacuate to a vacuum and recharge... evacuating is important if you want it to cool most effectively...

your air-conditioner can still give you many more years of service if you treat it right.
-Christopher
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Old 08-21-2016, 10:15 AM   #40
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Don't worry, we're earth friendly down here FIL will be recovering and then handling the recharge, He's a major gearhead. Should have stated that.
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