One day after his team escaped New Orleans with a big victory, 49ers head coach Jim Harbaugh peered toward an uncommon week of practice — with linebacker Aldon Smith on the field.

Smith, who hasn’t played this season because of a nine-game NFL suspension, is expected to rejoin his teammates for meetings and practices on Tuesday. He figures to make his 2014 debut Sunday against the New York Giants.

“I understand he’s eligible to play and practice,” Harbaugh said Monday at his weekly news conference. “Very much look forward to that. There are consequences for our actions, good and bad. There’s accountability. He has served that. He has done that and I look forward to moving forward with a fresh, clean slate. … ”

Asked how soon Smith could be ready to contribute at a level to which the 49ers are accustomed, Harbaugh replied, “Not ready to jump, predict or answer that question. I’m excited to have him back playing football with the team. I think that’s where the hope and excitement lies right now.”

Smith, 25, was suspended for violating both the league’s personal conduct policy and substance-abuse policy. There had been reports the NFL might reduce his suspension by one or two games, but that didn’t happen and he remained ineligible through Sunday’s game in New Orleans. The 49ers won 27-24 in overtime.

Smith collected 42 sacks in the first three seasons of his NFL career. His return should give a boost to San Francisco’s pass rush, which has been mediocre most of this season — though Ahmad Brooks’ sack of Drew Brees, and forced fumble, led to Sunday’s victory.

Harbaugh raved about the play of Brooks, Michael Wilhoite and rookie Chris Borland, who recovered Brees’ fumble. Patrick Willis (sprained toe) also could return this week, and Harbaugh suggested NaVorro Bowman (knee surgery) might soon resume practicing.

“I would agree it’s a position of depth and strength,” Harbaugh said. “It’s always been that, guys have always played to a high standard there. … We’ll try to keep building on that.”