- 1). Roll the tractor onto a flat surface.
- 2). Lift up the engine cover. Remove the spark plug from the unit by unscrewing it. Removal of the spark plug prevents the mower from turning on while you work on it.
- 3). Lift the mower deck to the highest position.
- 4). Remove the hairpin clip from the stabilizer shaft assembly, where the disengagement rod meets with the stabilizer assembly.
- 5). Turn the rod counterclockwise to unthread it from the assembly to decrease belt tension. Insert the pin when the belt is at the tension required by your owner's manual.