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Hebei Hankai 20 30 7 oil seal

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    In addition to preventing leaks, oil seals also keep out dust, dirt, and other contaminants that could damage the components inside the equipment
    20x35x7
    20x35x7 oil seal. By sealing out these harmful particles, the oil seal helps to maintain the cleanliness and integrity of the mechanical system, prolonging its service life and reducing the need for costly repairs and replacements.
    Next, turn on the system and slowly open the valve on the charge hose to allow the refrigerant to flow into the system
    r134a
    r134a u charge hose with gauge. Watch the gauge on the charge hose to monitor the pressure in the system. You want to add enough refrigerant to bring the pressure to the correct level, but not too much that it becomes overcharged.