Aircraft Landing Gear Systems The repair for an out-of-tolerance toe-in condition of main landing gear wheels determined not to be the result of bent or twisted components consists of a. shimming the axle in the oleo trunnion. b. inserting, removing, or changing the location of washers or spacers at the center pivotal point of the scissor torque links. c. placing shims or spacers behind the bearing of the out-of-tolerance wheel or wheels.