Air con shaking?

[SuddenOsprey]

Hey guys, any suggestions for a rattling air conditioning unit? I just cleaned mine today with a foam spray system, and now it won't stop shaking! I must have jiggled something loose or something, I can't figure out what.

Note, I live in an apartment and have a standard wall-mount aircon unit. Thanks!

[evanny]

probably fan itself is of balance - try to reattach it correctly. that is if it has one...there are so many kinds of air con....

[SuddenOsprey]

Thanks! I just banged at it for a while and it seems to have fallen back into place, I was just freaking out a little as its getting cold...