Release the spring clamps from the drain pump hose.

Unscrew the side panel, and remove it to reveal the inner hose.

Release the spring clamps from the inner hose, and pull out the hose in its entirety.

You may place the spring clamps from the damaged hose onto a new replacement hose. Proceed to reattach the new inner hose at the side panel, with the other end attached to the drain pump.