Cummins power generator QST30.GS engine how to remove fuel pump and timming adjustment

Cummins generator how to adjust fuel pump timmimg engine model . QST30.GS bore size . 140 mm stoke power. 165 mm rpm 1800 fuel system drict injection engine number.. 37236641 S O no ...10906 REF No.. 100 -3763-14 fuel fuel injection pupm timming . disel pupm timming . J mechanic tips