[AT] OT: sleeper air

[Dave Rotigel]

It's FEMALE Ron--just learn to live with it!
	Dave

On Jul 8, 2012, at 7:50 PM, Ron Cook wrote:

> Cecil and Charlie,
>     Danged if I can tell what was going on with that sleeper a/c unit.  
> It decided to work perfectly today.  It is a Behr unit and there is no 
> solenoid in the refrigerant line.  It just circulates when the pump is 
> going.  The expansion valve takes care of things, I guess.  It must have 
> been asleep.  The high pressure is fluctuating some at times when it is 
> running with both front and rear operating.  Probably normal, or at 
> least usual.  It does not seem to be bothering much but the gauge.  I 
> might be slightly overcharged. Time will more than likely take care of 
> that condition.
>      There is a water control valve for the heater part and it is/was 
> in the cold position and I have the water valves shut off anyway at the 
> engine.  There is a 3 speed fan that is controlled by a switch in the 
> sleeper.  That's it.  Simple.
>     While I was in there, I cleaned things a bit.  It needed it.  It is 
> now working better than it ever has for me.  Because of the cleaning, I 
> suppose.
>     Thanks for all the tips, etc.
> 
> Ron Cook
> Salix, IA
> 
> On 7/8/2012 6:35 AM, charlie hill wrote:
>> Ron,   not knowing a thing about that system, I'm assuming the rear air is
>> turned on by an electric switch on the dash somewhere or back in the
>> sleeper.  Is it possible that the switch, after sitting up so long, is
>> corroded and not making contact?  Or as Farmer would say.... Check the
>> grounds!  It might not be a problem in the AC at all but just a control
>> problem.
>> 
>> Charlie
>> 
>> -----Original Message-----
>> From: Ron Cook
>> Sent: Sunday, July 08, 2012 1:11 AM
>> To: Antique tractor email discussion group
>> Subject: Re: [AT] OT: sleeper air
>> 
>> Cecil,
>>      Thanks for the tip.  It acts just like a valve is not opening. I
>> did not get a chance to look at the unit yet, but I did look in the
>> manual.  I think I have a Behr unit and they do not use a solenoid valve
>> according to the manual, just the expansion valve. But that does not
>> always tell the truth about how things really are.  I do know there is
>> no valve where they tee off, but the Red Dot units do have a freon
>> solenoid just inside the unit under the cover.  I'll take a look at it
>> maybe tomorrow.
>> 
>> Ron Cook
>> Salix, IA
>> 
>> On 7/7/2012 1:00 PM, Cecil R Bearden wrote:
>>> Ron:
>>> Does it have a solenoid valve that opens to allow freon to the sleeper
>>> evaporator?  If so, it might just be a bad connection or wiring
>>> problem.   I have not had that much problems with expansion valves...
>>> However, I may be having one on my big van...
>>> If there is no temp change on your lines, then there is probably no
>>> freon circulating.  I would look for a valve on the lines going to the
>>> back or where they tee off the main line.
>>> 
>>> Cecil in OKla
>>> 
>>> On 7/7/2012 10:52 AM, Ron Cook wrote:
>>>> Yesterday it was hot enough that I decided to run the sleeper air in my
>>>> Freightliner to augment the cab air.  I have not run that sleeper air
>>>> for a few years, I suppose.  3, maybe 4.
>>>> 
>>>> No cooling happening there!  Apparently no refrigerant passing through
>>>> the evaporator at all.  No hot nor cold line to the touch. Do you
>>>> suppose that expansion valve is stuck or plumb plugged up with foreign
>>>> matter?  That has to be where the problem lies.  Some disassembly
>>>> required, I think.
>>>> 
>>>> Front air works good, I just wanted to turn it into a meat locker, I
>>>> guess.:-)
>>>> 
>>>> Ron Cook
>>>> Salix, IA
>>>> _______________________________________________
>>>> 
>>>> 
> 
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