burns biogas when genset is not

Abutec 100

blower is Airtech model# 3BA1500-7AT26 single stage / 3 phase
bearing that corrodes in blower is KOYO 6205ZC3

thermocouple needs to be reading between 1400 and 1800 deg F for flare to stay lit.
flare control box
flare control box
south of hydrolyzer tank
remove ice from burners during the winter
there is a flame arrester. when it is dirty gas flow is restricted.
writing on outside of flame arrester.