Spaniard reveals he is enjoying playing regular football and will continue for as long as his body allows, and hopes the German giant killers can pull off another upset
The German club beat holders Inter in the quarter-finals of the Champions League, to set up a double header against the Red Devils, with Raul a key performer throughout.
The 33-year-old spent 16 years at Real Madrid winning a plethora of honours, including three Champions League triumphs. Now at Schalke, the veteran forward insists that he has no plans to call time on his career.
"Have I had enough yet? No, it's fun again," Raul told reporters.
"That's also why I came to Schalke. I was at Real for 16 years and needed a change.
"As long as my body can cope, I want to play."
The first of two games is set to be played at the Veltins-Arena on Tuesday, with the reverse fixture at Old Trafford on May 4.
Now the Spaniard hopes that his side put in a strong performance against their opponents in the first leg.
"I'm very happy at Schalke and in perfect shape," Raul said.
"This is what we train for and we work hard on getting ourselves in great physical condition. We will also have to cover a lot of ground against United.
"They're a good side but we must go out and enjoy ourselves. I'm hoping we'll be successful."