you will overheat the miner.
and if the screw has the warranty sticker you will void the warranty.
run the gear 90 days if it has a 90 day warranty.
then remove the fans and clean the miner.
run the gear 180 days if it has a six month warranty then clean it.
you will have to clean an s-9 90 to 180 days for dust.
unless the room it is in is dust free.