I used to use a lance to remove frozen pins from buckets and dozer blades by lancing through from 1 end to the other removing a large portion of the body of the pin then blasting liquid CO2 through the hole the sudden quick cooling of the hot pin would shrink it enough to be easily tapped out with a hammer. Pretty good considering a 300 ton pin press wouldn't budge it prior to lancing, but a 6 lb shop hammer would knock the pin right out afterwards

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