Originally Posted by
605carsten
no, you dont transition the bleeds(its manually done in the 604/5) until APU is up and running and also switching 10ths off is approved for ops if you have no APU (limitation of pulling two bleed sources at same time off engine) if you want to use Anti-ice for takeoff or landing
Genuine Q - (generally speaking) are the fuel cut off switches protected by anything or just toggle switches? From prior experience - Hard to judge off Google images incase specific aircraft have had mods / STCs etc.