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Can You Refrigirate Pump Parts Used and Use Again

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Pulling a vacuum is a common part of air conditioning repairs. Vacuums are used to evacuate ACs, a procedure by which they pull out all air and moisture from the refrigerant organisation prior to testing, repairs, and recharging. Generally, this is all-time done by an HVAC professional. If you are looking to do elementary at-home repairs, though, learning to use a vacuum pump could exist very helpful.

  1. i

    Fill the pump with vacuum oil. Earlier you lot use your vacuum pump, make certain information technology is full of clean vacuum pump oil. Unscrew the oil fill cap, typically located on the top of the pump, and wait on the interior border of the opening for the fill line. Fill the opening with oil until it reaches that line. So, replace the oil make full cap.[i]

    • Exist certain to only use oil meant for vacuum pumps. Using other mechanical oils could impact the quality and functioning of your vacuum.

  2. 2

    Adhere your gauges to the ports. You will demand a gauge fix that connects to both your vacuum and your force per unit area ports on your Air conditioning system. The bluish gauge and hose should connect to the depression-force per unit area service port. The red gauge and hose will connect to the high-pressure port. The yellow hose in the middle should connect your gauges to your vacuum.[2]

    • Brand certain the gauges and gauge hoses are connected tightly. Loose seals tin compromise your vacuum.
    • In your car, your high-pressure port will more often than not be physically higher than the low-pressure port.[three]

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  3. iii

    Open your manifold valves. Once you have your gauges in identify, you will need to use the valves on your AC system that opens and closes the service port to the refrigerant lines. With the valves closed, your gauges should have fiddling to no pressure reading.[4]

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  1. 1

    Start your pump. Afterwards you are sure everything has been securely connected, use the switch device on your vacuum pump to turn information technology on. You lot should be able to hear the vacuum running once it is switched on.[5]

    • If yous are trying to first the pump in common cold weather, open the intake ports until the pump reaches normal running speed. And so, shut information technology off again.[vi]

  2. 2

    Open the side gauge valve. One time your vacuum is on, y'all will demand to open up the judge valves, located on the side of each gauge. This allows the vacuum to start pulling air out of the arrangement.[7]

    • If you are unsure which manner y'all need to turn your valves to open up them, check the manual that came with your gauges or vacuum.

  3. three

    Allow the vacuum to run for 15-30 minutes. Let your vacuum run at full operating speed for at least 15 minutes and up to 30 to completely pull the air out of your AC arrangement. The exact amount of fourth dimension y'all will demand to permit your vacuum run will vary based on your manufacturer's recommendations, and so bank check any operational manuals y'all may have for both your Air conditioning system and vacuum pump.[8]

    • Generally, y'all desire to allow your vacuum run for at least long plenty to become the measurement below i,000 microns. If you tin, endeavour to get it down to 500 microns.

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  1. one

    Close the low-side valve and let the vacuum hold for fifteen minutes. Afterwards you have let your vacuum run for a sufficient corporeality of time, close the valve that connects to the depression-side gauge. Let your pump hold the vacuum for 15 minutes.[9]

    • If it's not able to hold for that long, you lot likely have a leak and may need to supplant components on your vacuum pump.

  2. two

    Shut off the vacuum pump. When y'all are satisfied with how long your system held the vacuum, close the pump off using the same switch mechanism you used to plow it on. Permit your vacuum disengage completely before y'all disconnect the organization.[10]

  3. 3

    Disconnect your vacuum. Once your vacuum has fully disengaged, you can disconnect the hose leading to the pump. Your AC arrangement should exist fully evacuated at this bespeak, and set up to exist recharged or repaired.[11]

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Things You'll Need

  • Vacuum pump
  • Low-pressure estimate
  • High-pressure gauge
  • Connecting hoses

About This Commodity

Article Summary X

To use a vacuum pump on an air conditioner, first, turn the pump on and open the side estimate valve, which will permit the vacuum to start pulling air out of your system. In one case the valve is open, let your vacuum run at total speed for 15 to 30 minutes to pull out as much air as it can. The verbal amount of time you demand to allow the pump run volition depend on the manufacturer, and then check the operational manual for a specific time. After the vacuum has run long enough, shut the valve that connects to the low-side gauge and let your pump hold the vacuum for 15 minutes. Then, close off the pump and disconnect the hose leading into it. For more tips, including how to know if your pump has a leak, read on.

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Source: https://www.wikihow.com/Use-a-Vacuum-Pump

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