1. Park the TRX on level ground and engage the parking brake.
2. Chock the rear wheels.
3. Locate the axle nut on the left side of the rear axle.
4. Place the 24mm wrench on the axle nut and turn it counterclockwise until it is loose.
5. Remove the axle nut and washer.
6. Slide the rear axle out of the TRX.