Where can I find the User Guide for my NutriBullet 500, 600 & 900 Series? 10 January 2023 05:08 Click here for the NutriBullet 500, 600 & 900 Series User Guide. Related articles How do I identify which machine I have? Where can I find the User Guide for my NutriBullet 1000/1200 Series? How do I replace the rubber gasket/seal on my blade? Does the nutribullet® Portable Blender crush ice? How often should I replace the blades?