Duckblind will have AC soon!!

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HowardT64
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Re: Duckblind will have AC soon!!

Post by HowardT64 »

I'll check and see in detail here after bit...not feeling well right now...thanks :)

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letank
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Re: Duckblind will have AC soon!!

Post by letank »

SJTD wrote:. I'm looking forward to getting my system running some day since it will have the glass and I can experiment. My cynical side says it was removed from modern systems to discourage untrained unlicensed guys like me from working on them and to save money.
very good point$... may be I will have running AC too. Got the manifold.... and it is running in the honda, but cycling too often, good points on checking hoses temp
Michel
74 wag (349 Kmiles... parked, next step is a rust free body)
85 Gwag (229 Kmiles... the running test lab)
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Re: Duckblind will have AC soon!!

Post by HowardT64 »

Here are some pics
HowardT64 wrote:I'll check and see in detail here after bit...not feeling well right now...thanks :)

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Re: Duckblind will have AC soon!!

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I think this is the switch someone mentioned in a previous post. I unplugged it, the connections look clean. I think Ill take my Dremel tool to the fittings and clean them up. If that switch is bad how will that effect the A/C?
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Re: Duckblind will have AC soon!!

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I need to wash under the hood too...dirty...yuck
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letank
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Re: Duckblind will have AC soon!!

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HowardT64 wrote:I think this is the switch someone mentioned in a previous post. I unplugged it, the connections look clean. I think Ill take my Dremel tool to the fittings and clean them up. If that switch is bad how will that effect the A/C?
If you have AC running that switch is good, it is the on/off if not enough pressure, the other switches are under the dash, one behind the AC duct next to the hand control (there were some changes with years, so this need to be confirmed) and the other is the expansion valve burried behind the AC evaporator

thank you for the pict, lets have pict of the compressor and the famed leaky fittings?
Michel
74 wag (349 Kmiles... parked, next step is a rust free body)
85 Gwag (229 Kmiles... the running test lab)
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Re: Duckblind will have AC soon!!

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It is the upper fitting, the part under the cap. where you open and close the valve. If you need me to, I can go downstairs and remove the cap
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Re: Duckblind will have AC soon!!

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Fired up the Wag today and turned on the AC...seems to be blowing cool like its supposed to. Odd, if it had a leak would it not cool?
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Re: Duckblind will have AC soon!!

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Thank you, no need to remove the cap, I was curious about the layout of the compressor SD709, thank you again.

If you have a leak the lack of pressure will not let the compressor clutch engage.
Michel
74 wag (349 Kmiles... parked, next step is a rust free body)
85 Gwag (229 Kmiles... the running test lab)
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Re: Duckblind will have AC soon!!

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ahhh okay. Thanks for your input :)
I guess for a 28 year old AC system I can expect it to function,like one in a 2015 :)
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Re: Duckblind will have AC soon!!

Post by Xplitive »

Howard, what is your engine fan set up? Clutch fan with shroud? Does the ac temp get colder while driving highway speeds?

Looked at my rotolock fitting and there is an o-ring in there. Will be delving into this one mine shortly.
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Re: Duckblind will have AC soon!!

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I have a flex fan and an aluminum radiator. No shroud, in fact there was not one when I got the Jeep. I dont get out on the highway much...the AC seems to be working okay for now. Had there been a leak, I think it would not be working at all by now. Ill get some pics later as it is VERY early in the morning :)
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Re: Duckblind will have AC soon!!

Post by Phils67 »

Fix the leak first. If there are bubbles then there is a leak and it HAS to be a contained leak free system no matter what type of refrigerent you are using. When the AC machine is hooked up, after the system is recovered, it needs to have a vacuum put on the system. Not only does the vacuum draw in the oil and refrigerant but it also will boil out moisture. The longer the system gets vacuumed prior to charging, the colder it will blow. Over the counter refrigerent is not the proper way of doing AC, if it were, shops wouldnt spend thousands on AC machines. An electric fan will also help on the condensor. When the high side pressure rises it builds heat. Thats why the fan cycles, to cool the condensor. Your pressure switches need to be in good working order. It should be wired to cycle the fan with the compressor. High side hose always feels hot, low side will feel ice cold and get condensation on it generally. Good luck bud
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Re: Duckblind will have AC soon!!

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like I said there are no leaks at the moment. The shop vacuumed the system thoroughly, the system seems to be fine
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Re: Duckblind will have AC soon!!

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Well snot, I think the freon has leaked out :( I went to drive it recently and it was not blowing cold at all. Been trying to find new fittings for it but cannot. Can anyone tell me what size the fittings are that the hoses connect to?
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Re: Duckblind will have AC soon!!

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I checked the AC this morning...freon is gone. Ill have to replace the fittings between the hoses and the compressor. I just wish I knew the size exactly thst would make it easier... Does anyone know?

I THINK this will work; both high and low side are listed but on sep pages....what you folks think?

https://www.ebay.com/itm/YORK-TECUMSEH- ... 1288854857
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Re: Duckblind will have AC soon!!

Post by SJTD »

These are to replace the fittings on the pump shown in post #24 of this thread?

Are the fittings on the pump flared or o-ring? You said you got a pump with the wrong fittings but never said which type it had.
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Re: Duckblind will have AC soon!!

Post by HowardT64 »

I have the correct compressor now, Sanden 709. I think the fittings are compression...I just dont know. I need to find a parts book or something that would tell me exactly what they are. please be patient with me folks :)

What I would not give for an old parts book for this old gal :)
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Re: Duckblind will have AC soon!!

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I found this, hopefully this will tell me what the fittings are and sizes :)

http://www.sanden.com/productlibrary/ma ... _Rev_2.pdf
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Re: Duckblind will have AC soon!!

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I found this too...this and the previous post should be of big help to others with this compressor :)

https://www.atc.ca/pdf/atc/Sanden.pdf
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