Yeah, the can emptied - altho I'm still baffled by the can never
changing temperature - the can is held by a special thing -check out
eBay item number: 60990812822 - there's no way to back off but there's
no need as the puncture is made by a hollow shaft. Once the clamp is
closed it cannot be opened or gas escapes.
I searched all over for my hose used years ago that clamp onto the top
them a puncturing pin makes a hole - but after looking all over I could
not find one. I'm not positive it would have fit the Freez12 can I have
- the body of the can is larger than R12 cans - don't know about the top
where they are normally punctured. I really should have a set of
gauges if I'm going to do this.
At least we have cooler weather for the next few days - I'll let the
shop check it out next Thurs when my wife will be off.
Thanks for the help!!
Larry
On 6/1/2013 8:21 PM, WILTON wrote:
You sure you had the hose screwed onto the AC's Schrader valve
sufficiently to open it. You sure the can was punctured? Did you
need to back off on the puncture "needle" after the puncture in order
to open the hole? My Freon cans are held by the top; hafta screw a
puncture "needle" into top of can and back the needle out in order to
open the hole. Is the can now empty?
Wilton
----- Original Message ----- From: "Larry T" <l02tur...@comcast.net>
To: <mercedes@okiebenz.com>
Sent: Saturday, June 01, 2013 7:16 PM
Subject: Re: [MBZ] AC Low Pressure Port W124
Well, I don't know what i did wrong. The can didn't get cold - I
thought they got cold as the gas/liquid came out? no froston the
canat any time. continued to see bubbles in the sight glass. I tried
it with the can upright and inverted but saw no change and also
increased the rpm's to ~2000 rpm for a few minutes at a time - but no
change. the air from the vents didn't seem any colder either. so
next week i'll take it and let them put the gauges on it and fill it
properly. Oh well.....
The stuff I was using is called Freez12 - the R12 was removed 2-3
years ago when the schraeder valve stem came loose and started
leaking. so all the R12 was evacuated and Freez12 put in its place.
No mods were needed to the hoses, Ports etc. It provided very cold
air until a couple of weeks ago - our spring was so mild this year we
didn't need AC all that much.
So with the F12 can I also bought a R12 type hose which was just a
hose with a female fitting at each end along with a gizmo that holds
the can and punctures the side of the can as it clamps around it. No
valve on any hoses or the gizmo - just a valve stem that is pushed
in as the adapter is screwed into the can and the punctured can's
contents goes into the hose which is attached to the low port which
hopefully went into the AC system.
Thanks again for the help -- I found the low Port easily with your
help ;-) I think I'll try to find a way to mark it. Hopefully I
don't have a leaking evaporator or something....
Larry
/
On 6/1/2013 4:08 PM, Larry T wrote:
I forgot to mention, the 2 ports are the same size. Since this
wasn't a R12 to R134aconversion, but was instead a replacement of
R12 with Freez12. symantics I know, but .....
LarryT
On 6/1/2013 3:34 PM, Peter Frederick wrote:
The low pressure service vavle is on the large hose coming from the
evaporator, up next the the ABS servo.
The high side is on the line going to the top of the condenser in
front of the compressor.
With the R134a conversion it's impossible to switch them as they
are different sizes, but I think the originals are the same size.
Peter
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To Unsubscribe or change delivery options go to:
http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
_______________________________________
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For new and used parts go to www.okiebenz.com
To search list archives http://www.okiebenz.com/archive/
To Unsubscribe or change delivery options go to:
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For new and used parts go to www.okiebenz.com
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