alternator shaft lock nut

[Gavin_Sons]

Helping a guy with hydrolock. I forget how I got the lock nut off the shaft for the alternator. Spinning the shaft it also spins the starter gears. I forget how I held the starter gears while removing the alternator lock nut.

[Chrisj CMA]

Helping a guy with hydrolock. I forget how I got the lock nut off the shaft for the alternator. Spinning the shaft it also spins the starter gears. I forget how I held the starter gears while removing the alternator lock nut.

In gear standing on the brake?