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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 09-04-2012
Clembo Clembo is offline
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Default Air Conditioning While Moving

Has anybody got any idea why I can sit in a rest stop during the midday (95-98F outside) with the front and middle airs on high with the bath door closed and freeze (very comfortable 68-70F) and then get back on the road and the cabin temp goes up to 82-84 F ???? Where's the cool going out and the hot coming in ? Windows closed and the big vent slide in the roof closed. I just don't know. 27k BTU ought to be enough. Appreciate any help.
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Old 09-04-2012
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Dan:

Do you think it might be due to the fact that you are now creating an awful lot of heat from the motor, the wheels, and other moving parts of your bus while going down the road, as well as wind resistance, whereas sitting at a rest stop ,there is nowhere near this heat generation. Just my thoughts, and I am sure the great minds here will come up with the proper answers shortly.
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Old 09-04-2012
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you need 3 airs running. Running down the road, coach creates negative pressure- and you will suck air from any source. If you have a residential refer- and it is not sealed- you will experience all kinds of temperature gain.
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Old 09-04-2012
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Check and make sure your two front air vents are closed. You may be sucking in hot air from the front going down the road too.
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  #5  
Old 09-04-2012
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Quote:
Originally Posted by isp2952 View Post
Check and make sure your two front air vents are closed. You may be sucking in hot air from the front going down the road too.
Ditto also check to make sure your roof vent in the galley area is closed and with the vent cover on. Back in July when I went to Wilmington I had both my airs going and the front passenger vent was open, it kept tripping the breaker on the front air, it could not keep up. It was 104 degrees. One thing I also do to keep cool is I have a Lasko floor fan blowing to circulate the air, it helps to keep the bird much cooler.
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Old 09-04-2012
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I would also check the dash heater/AC controls are turned to the blue or cold position. Air can be forced through a warm heater core while on the road.
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  #7  
Old 09-05-2012
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Also check out Wanderlodge Owners Group > Mechanic's Corner > BMC (Bluebird Motor Coach Unique Issues) > Heat under dash?
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Old 09-05-2012
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Thre hot air flowing over the coach adds load, much like air flowing through the radiator. And If you are driving into the sun like we were yeasterday, adds lots more.
Dash air is worth fixing, really helps to have a little cool air blowing onto you.
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Old 09-05-2012
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Its kinda like the space shuttle entering the earths atmosphir. Its going to get warm.
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Old 09-05-2012
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Quote:
Originally Posted by birds_first View Post
One thing I also do to keep cool is I have a Lasko floor fan blowing to circulate the air, it helps to keep the bird much cooler.
I also use the same Stanley (LASKO) fan that we both got at ACE Hardware in Wilmington, Ohio, while underway I aim mine toward the drivers seat to get cool air at floor level.

My FC has the Dash (?) Air blowers coming out from under the upper dash and my compressor has been removed so I use the blower fans to circulate the roof air conditioner cool air back toward my face, this works very well for me.






Even though your dash air blower fans are located differently, they can still aid in circulating any cool air that can be directed to their area.
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1982 FC35RB
I'm NO EXPERT, but I did stay in the FINN'S INN EXPRESS last night
HOPKINS, SOUTH CAROLINA
VISIT THE FINN'S INN EXPRESS REMODELING ADVENTURE AND TECH. TIPS
I'M SO SLOW ON THE HILLS,THAT I GET TO SMELL THE FLOWERS AS I GO BY.....AND WATCH THEM GROW TOO!! NOT SO MUCH ANYMORE
Visit the WILD HARE RACING website
REMEMBER 9/11
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