Place a towel on the floor under the drainage port of the drip pan. This will catch any spilled water.
Stretch the hose from the drip pan to the drainage area. Placing the hose before you begin draining the pan will eliminate excess spillage.
Remove the cap covering the drainage port of the drip pan.
Connect the hose to the drainage port.
Allow the water in the drip pan to drain until the water level is below the drainage port.
Push the top of the pan down to drain the remaining water from the pan.
Disconnect the hose.
Replace the drainage cap.
Wipe the inside of the drainage pan with a towel.