19AGBGB WHEEL LOCKWheel locks are mounted on the lower frame andcan be operated by either user or helper.* Push the handle forward to lock the wheel* Pull the handle backward to loosen the wheellockThe wheel locks are installed on the frame andcan be moved forward and backward, dependingon wheel size and brake efficiency. Move thefittings backward and the chair will be lockedmore. Move the fittings forward and the chairwill locked less efficiently.Loosen the screws (A) with the enclosed 4mm Allen key to adjust the placement of thewheel lock. Fasten the screws in the desiredposition.Keep the recommended air pressure, 55PSI/3,8 bar/380 kPa in the rear wheels, tomake sure the brakes work properly.To ensure the safety of the user, we stronglyrecommend distance of 8-10 mm, betweenthe wheel and the wheel lock block.