Most salon chairs use hydraulic fluid within the hydraulic system. This special hydraulic system allows the hair stylist to lift and lower the client to the ideal position with ease. Hydraulic chairs are used throughout the salon at styling stations and in barber shops; because of this, salon owners and employees should know how to fill a salon chair with hydraulic fluid.
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Start with the salon chair in its lowest position possible. If the salon chair is not in its lowest position, lower it by pressing down on the foot pump while applying downward pressure until it cannot go any further.
Remove the fill nut. The fill nut, which is located near the base of the chair, can typically be removed with a simple wrench. If you cannot locate your fill nut, you will need to contact your salon chair manufacturer or check the instruction manual.
Fill the salon chair with hydraulic fluid. Hydraulic fluid can be purchased at specialty salon retailers such as Sally Beauty Supply or at a local auto supply store like Auto Zone. The hydraulic fluid can be added using a funnel and the chair should take about two quarts.
Replace the salon chair fill nut. Tighten the nut until it is snug with your wrench.
Lift and lower the chair using the hydraulic system. You can do this by pumping the foot pump repeatedly and then lowering by pressing down on the foot pump while applying downward pressure to the salon chair. This step is necessary to remove any excess air from the salon chair hydraulic system.