HAWK Lance Franklin's premiership celebrations will come to an end in a hospital bed.

The century goal-kicker will have an operation on Wednesday night but it won't be to repair the thumb injury he took into the grand final against Geelong.

The Hawks say Franklin needs a shoulder "clean-up", but it's unlikely to have any impact on his pre-season.

Franklin's right shoulder has been strapped throughout the season, having had his loose shoulder joint tested in matches against Richmond in round six and Collingwood in round seven.

Franklin saw a shoulder specialist prior to the Hall of Fame tribute match in May, but took part in that showpiece game.

Franklin played every game, but on Tuesday revealed his surgery appointment at the club's last stop in their four-day premiership party at their new headquarters, Waverley Park.

"I've got to get operated on tomorrow night so I will be in hospital for the next two or three days," Franklin said.

"(I'm) going overseas for about two weeks to get out of Melbourne for a little while and just relax."

After being hospitalised on Saturday night, defender Trent Croad's injured foot was well enough for him to attend the civic reception at Hawthorn Town Hall, albeit on crutches.

But with his foot still swollen, he will return to hospital to undergo foot surgery.

A pin will be inserted into the foot to stabilise the joint, but Hawks coach Alastair Clarkson said Croad would have a compromised build-up to next season.

"We're expecting it to be a three- to four-month recovery, so I'd imagine unless he has a hiccup he'll be available for the early part of next season," Clarkson said.

"His pre-season is going to be interrupted but I'm sure for a big bloke like Croady that won't worry him too much.

"He's a big, strong lad and he's done a lot of pre-seasons, so he should be able to cope pretty well coming into the season with not-the-ideal preparation."

Young ruckman Brent Renouf also told about 1000 fans at Waverley he needed surgery on his fingers.