His replacement, former United striker Tony Daws, wrote to the OSC explaining that he needs around £5,000.
The OSC will hold a night at the Ferry Road Club on September 30, with a set from Scrapyard Dogs.
Money raised will go towards the schoolboy sides up to under-16 level, rather than the club's youth trainees.
Plans are in place for a children's Halloween party, which has been given the date of October 30 and will take place in the Iron Bar.
A date has also been set for the annual childrens' Christmas party, which will be held in the Iron Bar at Glanford Park on December 18 - with entrance free.
There are also plans for an adult Christmas event, which could be held in a marquee outside the Old Farmhouse pub.
The popular half-time Crossbar Challenge will return this season, with the prize money starting from £25.