Barber chair repair manual6/13/2023 ![]() Either your handle is not raising the piston enough (it should be held in place by a set screw) or the connecting rod is wornout. I have my chair torn apart right now and it is evident that this is the way it works. When I try the pump, the chair will lift about an inch, I hear the pressure vent off and the chair drops back down. The hydraulic pump seal appears to be bad. It looks to me like when you press the handle all the way down (past the point where you usually pump it up) the piston on the inside of the cylinder will be raised enough to open a passage way for the oil to return to the other side of the cylinder and thereby allowing the chair to lower. Topic 24359, p2 Barber Chair Restoration Problems & Solutions Click thumbnails for stories and larger graphics 2 JanuQ. A thinner seal will sometimes work if all other dimensions are the same. Some older seal assemblies used a glan nut.You could actually increase sealing pressure by tighteing it.Look for a large hex nut surrounding the shaft, and screwed into the cylinder. ![]() The seal is probably a standard size available from many sources.You will have to get down to the seal level and remove the old one for reference.There should be numbers in it.If no numbers are available,you will have to mike the shaft diameter, the bore diameter and the depth of the seal.
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