[K3PZN-List] See message (AC!)

[Heath, Rob]

Scott, 

If you are offering to help out with this task, we would certainly
appreciate the assistance.  I don't know when Keith is planning another
group get together.  However, if that time is not convenient I am usually
around the house and am sure we can pick time to get it done.  I have done
some AC work, but I am not a professional AC repair person nor do I play one
on TV.  I have a cheap set of R134 and R12 gauges, the UV dye, a UV light
and a 20# tank of R134a.  I do not have the ester oil or the adapter to
charge a R12 system with R134.  I agree with not having to replace any major
components if we can avoid it by just topping off with refrigerant once in a
while.  If we do need to open the system, we will need access to a vacuum
pump.  When I replace the evaporator and accumulator on my truck last year I
used a little hand operated vacuum pump to evacuate the system.  I am sure I
did not get as much vacuum as I should have and it is certainly not a
procedure that I would like to repeat.

Thanks
Rob

-----Original Message-----
From: k3pzn-list-bounces at mailman.qth.net
[mailto:k3pzn-list-bounces at mailman.qth.net] On Behalf Of Scott, KB3JQQ
Sent: Tuesday, June 15, 2004 11:05 AM
To: k3pzn-list at mailman.qth.net
Subject: Re: [K3PZN-List] See message (AC!)

> *       Inspect vehicle's air conditioning system.  Inject UV dye into the

> A/C system and recharge with R134.  Obviously the system takes R12, but 
> since we are not likely to find R12 anymore, R134 will have to suffice.
Run 
> system and check for leaks with UV light.

It costs more to replace any bad parts then to add more R-134a. If it
works, then just add ester oil (PAG reacts to mineral oil) and charge
until the system measures about 45 degrees at the outlet. (about 80% of an
R-12 charge)

I have juice and gauges for R-134a and the experience of a few retrofits.
Any
time you open the system, it must be purged to a vacuum. R-134a is a smaller
molecule and will leak through the O-rings and seals a lot quicker then
R-12.

All systems leak. Some more then others. It's a fact of life.

If you have any questions or need it done, let me know.

-Scott, KB3JQQ


	
		
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