HOW TO REPLACE A BALL BEARING ON A SWIVEL BOARD
TOOLS NEEDED: 1/4 Nut Driver or 1/4" Socket, 3/4" Rachet or 3/4" Open End Wrench or Adjustable Wrench, Pliers (Optional)
Lift the board to the upright position. The safety shield will need to be removed in order to remove hex screws. You may need to apply excess force, as it is held in place by double stick tape.
Remove the two hex head screws from each side of the plate.
NOTE: If replacing a 42" board (shown) the two hex head screws will be located in the bottom set of holes of the plate. If replacing a 46" board the two hex head screws will be located in the top set of holes.
You will need to get underneath the board to remove lower set of hex scres. Once lowered, swivel the board slightly to the right to remove the right hex head screw. repeat process to remove the left screw.
Remove board and set aside.
While leaving the board in the lower position, remove the tightening nut and washer located underneath the swivel board by unscrewing counter-clockwise.
NOTE: Do not try and remove the tightening nut while board is in the upright position as it will be difficult to replace new ball bearings.
Gently remove the swivel plate.
Remove the old ball bearings (2) in drill outs on leg assembly.
Remove old springs (2) in drill outs on leg assembly. Pliers may be helpful in removing.
Insert the new springs and then ball bearings. Replace swivel plate and thread bolt through pivot hole.
From underneath, replace washer and tightening screw by turning in clockwise direction. Tighten to desired tention.
Replace swivel board. Replace screws into the board in reverse order. (Steps 3, 2, and 1.) Putting in the bottom plate screws in first and depending on the size of board (see note above) the top plate screws last.