Easiest to just remove top triple-clamp.
Another thing you can do is only torque top nut on triple-clamp down to 25%. Then tighten fork-tube clamps down. Then finally 100% on top nut. This keeps triple-clamp from adding too much to bearing pre-load in case adjustable-cup and locking aren't fully clamped together.
All-Balls does make tapered roller-bearing kit:
https://www.amazon.com/dp/B074LR5LTT/