40 ILCS 5/22-230
No portion of the pension fund shall, either before or after its order of distribution by such Board of Trustees to such disabled or retired members of the fire insurance patrol or to the surviving spouse or such minor child or children of the deceased, be held, seized, taken, subject to, or detained or levied on by virtue of any judgment, interlocutory or other order, or any process or proceeding whatever of or issued by any court of this State for the payment or satisfaction in whole or in part of any debt, damages, claim, demand or judgment against such member or surviving spouse or minor child or children but the fund shall be kept secure and distributed for the purpose of pensioning the persons named in this Division, and for no other purpose whatsoever.
40 ILCS 5/22-230