I have a squeaky seat in my 4440. It sounds like some bushings are worn. Makes the noise mainly when the seat is moving fore and aft. Anyone had any experience in repairing the mechanical side of these seats? Can you get individual parts or do you need to order a whole assembly? fortunately, the hydro-cushion seems to be working fine. Thanks
 
They have 4 bearing that roll on 2 shafts when the seat moves back and forth if the bearings are still together put a little oil or thin grease on the 2 shafts they move on.
 
17350.jpg
 
I can't get it to print but the bearings I think are
in part no ar81169 I do know they ride on part no.
r64720 (rail) Seat support hydracushioned
 

M w J
Here's the parts schematic with the part numbers you listed. I think those can't be the correct brgs because of the correlation of the adjustment handles in the photo BUT I've been incorrect before.
17358.jpg
 
Thanks for the pic I have bearings for my 4640 and I
do know that they run on the 2 round rods that the
seat floats front to back on. It has been a while
since I looked at it. My brother borrowed it 5 years
ago and I haven't used it since then I do know that
the 4 bearings /kit was over $100 .
 

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