Hitachi EX 100-3 fuel Issue

Hello all,I have a EX 100-3 that seems to have developed a fuel problem. Machine was running fine then started sputtering and die. Remove fuel filter, it was half empty, filled a new one and installed it and machine worked fine for about 15 mins. same issue,machine died again pull fuel filter, half empty refilled and installed. Same issue, but this I pumped the manual pump , machine started again but eventually died any suggestion would be greatly appreciated. Thxz

Hitachi EX 100-3 fuel Issue