Joe Pace, who staged a one-day walkout from the Bullets' training camp last year, did not show up for either of the team's practices yesterday at Ft. Meade.

No Bullet official had heard from Pace, who participated in both practices Wednesday.

"I don't know where he is or what has happened," said coach Dick Motta, who had expected Pace to make the evening workout. "I want to find out why he isn't here before I make any statements as to how I'm going to handle it."

Pace, a second-year player from Coppin State, has had a history of being late for team meetings and practices. But during the first week of workouts this year, he has been a model player, starting from the opening day when he showed up an hour early for the first session.

He could be discouraged by the difficult challenge he faces to make the club. Motta probably will keep two centers, Wes Unseld and Mitch Kupchak. Pace would stick only if Kupchak plays a lot more at forward than Motta currently plans.

"His weight is down and he's been hustling," said Motta.

Three other Bullets, Unseld, Elvin Hayes and Phil Chenier, sat out the morning drill. Fluid has developed on one of Unseld's knees, a regular occurrence for him during preseason practices, and Hayes was bothered by an ingrown toenail. Both return for the evening workout.Chenier still is hobbled by a bad back.

However, Bob Dandridge, who has had a sore ankle, suited up and impressed Motta with some pin-point passing.