The system Eu 1 . 4 Ce 0 . 6 Ru 1 - x Fe x Sr 2 Cu 2 1 0 - δ with x = 0, 0.13 and 0.25 has been studied by dc magnetometry to determine the superconducting and weak-ferromagnetic (W-FM) properties. Eu 1 . 4 Ce 0 . 6 RuSr 2 Cu 2 O 1 0 - δ is a magneto-superconductor with T M (Ru) = 122 and T C = 32 K thus T M T C . Superconductivity is confined to the CuO 2 planes, and the magnetic ordering is due to the Ru sublattice. The effect of Fe (x = 0.13 and 0.25) is: (i) to suppress SC in both compounds and (ii) to diminish the weak-ferromagnetic (W-FM) properties (e.g. the saturation moment (M s a t ) and the remanent moments) of the Ru sublattice. The fast drop in M s a t at 5 K scales with Fe concentration. Mossbauer spectroscopy studies reveal two inequivalent Fe sites, and that in both sites, Fe does not order magnetically. This proves that the W-FM state is due to the Ru site.