Air Conditioning

[Henry Jay Hannigan]

Barry:
THANKS for your information on AIRCON...helped me put 134 in my Honda
upon return to Vegas yesterday.
WSOP all month here.
LOL
Regards,
Hank & Naty in Vegas
90SP36
The ole CAT started on first click!









--- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
wrote:
>
> Barry Yea thanks for the info. I hope noone sends you a private
> email for information on AirCon. When questions are asked and
> answered in an open forum, everyone benifits for the exchange.
>
> Your 2 cents hold value of $28.00 when posted to an audiance of
1400.
>
> GregoryO'Connor
> 94ptRomolandCa
>
>
> --- In WanderlodgeForum@yahoogroups.com, barry boyette
> wrote:
> >
> > Hey all. I'm new to this forum, been lurking for a while; but,
> thought I'd throw my $.02 in. Adding freon and doing a little of
> your a/c work is really no big deal. For example, make sure your
> condenser is clear of dirt and debris. It must flow air to work.
> Then, locate the big hose coming into the a/c compresser on the
> engine. The compresser is mounted to the front of the engine and
> has a fan belt that turns it. There are two hoses coming out of
> it. The big one is the low pressure side and the little one is the
> high pressure side. The low or big one should be cold and have
> water droplets on it when running and the high side will be hot to
> the touch.
> >
> > While under there looking around, locate the service port which
> should be on the low pressure (big hose) somewhere. It looks like
a
> valve stem for your tire. That is where you put freon in. The
> little hose or high side should also have a service port on it.
> Never add freon here. The high side port should only be used for
> checking the high pressure when utilizing a set of a/c gauges.
> >
> > Wal Mart sells kits for adding freon that has a little gauge
> included. Attach the hose to the low side service port with the
> engine cut off. Look to see what the pressure is with engine
> stopped. A good rule of thumb is the static pressure should be
> about the same as the outside ambient temp. If it's zero then you
> need to find someone that can service your system from scratch. If
> it's got some pressure on it then you can probably proceed.
> >
> > Locate the freon site glass. You will need to watch this while
> adding freon. Next, start the engine and turn the a/c on. Look to
> see if the front of the compresser is turning. If you're not sure
> shut the motor off and look at the front of the compresser while it
> is off. Now, restart the engine and check to see that the front of
> the compresser is turning. This lets you know if the clutch is
> kicking in and trying to circulate freon. Sometimes, you have to
> put a little freon in before the clutch kicks in. Simply open the
> freon valve and let some of it into the system. Some people hold
> the can upright and some upside down. I like to turn it upside
down
> because it gets into the system quicker without trying to freeze up
> the can. Continue adding freon and watching the sight glass at the
> same time. If the system is low on freon the sight glass will have
> bubbles in it. They look like they are racing by at light speed.
> If you have converted to 134A stop putting freon
> > in when the bubbles are almost gone. If you are still using R12
> or one of its cousins, keep adding until the bubbles are gone.
> While you are adding freon the blower will start to blow colder
> air. Depending on the charge in the system it could take several
> cans to fully recharge. It's probably better to have to little
> freon than to much. The low side when full of 134A should read
> between 14 to 35 pounds on the gauge give or take. A lot can
> influence this like outside temp and how much air is flowing across
> your condenser up top. On our crop dusters we have installed
double
> condensers with double fans and we are seeing low side pressures of
> 10 - 15 and high side a little over 100 pounds even on a hot day.
> The condenser is the secret. Keep it clean and make sure it's
> flowing air.
> >
> > When we started fooling with a/c on our crop dusters we didn't
> even know what the condenser did. Now we build our own systems
using
> off the shelf parts for big trucks and ambulances. It is a little
> scary at first but there is not a lot to it. Spending 600-700
> dollars recharging a low system is highway robbery when you can do
> it yourself for $50 or less.
> >
> > One other thing, I've found over the years a lot of differences
> of opinions when it comes to air conditioner work. What works for
> me may not work for you. If you have specific questions feel free
> to email me with your questions.
> >
> > barryb
> >
>