The City boss is being kept on a tight financial leash by SISU and has already loaned out Julian Gray, Gary Borrowdale and Kevin Thornton with Kevin Kyle and Chris Birchall available if required by another club.
"It is dangerous to have a big squad sometimes," said Coleman to the CT.
"If you get a dozen players who are not playing, half of them might not be bothered about whether they play or not and the oher half might be a bit poisonous.
"We are fine with what we have got here because there is a good feeling and we must maintain that."