Welcome to the Forum.
Stroms should not need to be primed, the float chamber will be filled by the fuel pump. Check the float valves and float levels, once filled they should work OK subject to the piston not sticking and the diaphragm not being perforated.
Alan
Saab 9000 Stg 1
Saab 9000 2.3 FPT Auto
Saab 2.3 LPT Auto
'81 TR7 DHC