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Allis 7040 air conditioning system |
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captaindana ![]() Orange Level ![]() Joined: 14 Sep 2009 Location: Fort Plain, NY Points: 2573 |
![]() ![]() ![]() ![]() ![]() Posted: 10 Aug 2023 at 8:05am |
How many pounds of r134 does it call for? Thanks! Dana
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Blue Skies and Tail Winds
Dana |
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Alvin M ![]() Orange Level ![]() Joined: 24 Jun 2018 Location: PA Points: 803 |
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on from new A6 3.8 Seltec Kit 3.25-3.4 New delco A6 3.25-3.50
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captaindana ![]() Orange Level ![]() Joined: 14 Sep 2009 Location: Fort Plain, NY Points: 2573 |
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Thank you!
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Blue Skies and Tail Winds
Dana |
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tbran ![]() Orange Level ![]() Joined: 14 Sep 2009 Location: Paris Tn Points: 3532 |
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FROM OUR EXPERIENCE.. on older systems they are like mother in laws.. each a little different. We always charge the older systems on a 90 degree day to no more than 225-250 on the high side and it should be less than 20 on the low side WITH THE SIDE SHEETS ON. Then it will be cold at the evaporator, the air flow will determine BTU cooling - Then at about 1500 RPM close the doors and turn the fan to low - watch the low pressure - it should go to 12-14 PSI and the thermostat should kick off the compressor. Anything abnormal, there is an issue .
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When told "it's not the money,it's the principle", remember, it's always the money..
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captaindana ![]() Orange Level ![]() Joined: 14 Sep 2009 Location: Fort Plain, NY Points: 2573 |
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Thank you Tim!
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Blue Skies and Tail Winds
Dana |
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