Sec. 17. PENSIONS NOT SUBJECT TO EXECUTION, ETC. No portion of any such pension fund, either before or after its order of disbursement by said pension board, and no amounts due or to become due any beneficiary or pensioner, under this Act, shall ever be held, seized, taken, subjected to, detained, or levied upon by virtue of any execution, attachment, garnishment, injunction, or other writ, and no order or decree, or any process or proceeding whatsoever, shall issue out of or by any Court of this State for the payment or satisfaction in whole or in part out of said pension fund, of any debt, damage, claim, demand, or judgment against any such members, pensioners, dependents, or any person whomsoever, nor shall such police pension fund or any part thereof, or any claim thereto be directly or indirectly assigned or transferred and any attempt to transfer or assign the same or any part thereof, or any claim thereto, shall be void. Said fund shall be sacredly held, kept, and disbursed for the purposes provided by this Act, and for no other purposes whatsoever.