Removing the wheels is not necessary and does not make the repair easier.

Leave the orange screws in. Removing the wheels is not necessary and does not make the repair easier.

You can also use a small slot screwdriver to push directly on the metal rods that hold the wheels.

Instead of laying down the whole vacuum, remove the cord from the hooks, then, using the red button/lever on the side, detach the vacuum from the base. https://youtu.be/gQmme4xespU?t=69

Removing the dust canister is not necessary.