ford a62 loader fuel injection issue

i have a 1978 ford a 62 loader with a 256 td motor with an minimec injection pump if it sit for a few day i have to bleed injector check all in coming hose and out going lines for leaks replaced checck vavle at punp still have bleed rack move fine and when i push escess fuel buttom rack move as it shoudl any help on this would be great thanks cary

ford a62 loader fuel injection issue