• Repeat these work steps on the other side of the wheelchair.
• Push the seat and the tube frame to one side on the front wheels. Make sure the tube frame
does not get scratched during this procedure.
• Use a 10 mm Allen wrench to loosen the hexagon socket head screw (1).
• Remove the hexagon socket head screw together with the Nord-Lock washer (6) and the
spacer ring (2).
• Pull the double bearing (3) off of the bearing bolt.
• Remove and inspect the floating bearings (4) & (5). Replace the bearings if they are damaged
or worn.
• Replace the double bearing.
Assembling the double bearing of the Dual Swing Technology (D.S.T.)
• Assemble the parts in reverse order.
• Tighten the hexagon socket head screw (1) to a torque of 80 Nm.
• Tighten the self-locking nuts of the bearing bolts (4) to a torque of 120 Nm.
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