Slaven Bilic says West Ham must unite to avoid relegation
Bilic, given a vote of confidence by the club's owners after last week's loss to Hull, insists the responsibility for West Ham's poor run lies solely with him.
But he has called for the players, staff and fans to come together for a match that looks crucial to keeping them in the Premier League.
The Swans currently sit inside the relegation zone, five points behind Bilic's Hammers.
West Ham fell to a fifth defeat against Arsenal
"We have to do the job," he said. "We wanted to do it before now. I didn't smell this, I didn't think we would lose five games.
"I will never stop believing in myself but to get, or to keep, other people believing, people who are not involved in training or the amount of work I do here, you have to deliver the results and now it is about time. You have to do it for the club.
"It's not can we do it, we have to do it and we've got to do it on Saturday. It's going to be extremely difficult but also a great challenge to be a part of, also for me as a manager.
Slaven Bilic calls on West Ham supporters
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"It is my responsibility. Now we have to think only about the team. Not a team of 11, a team of 60,000, plus 18 other players, plus staff, and many more people.
"The one and only aim is to win the game. The game is going to be extremely difficult, I rate Swansea and Paul Clement, but they are below us.
"It is our job to keep the fans behind us the whole game because they are also going to be nervous and they want their team to win, especially these type of games.
"But it is in our hands and that is the best you can ask for. Your destiny is in your hands. We are playing a team we have beaten, a team that is five points below us. We have big belief."