Remove Bolt Hot and Cold Techniques Senior Engineer - Video

remove a bolt using hot and cold technology, the casing is gently warmed with a torch, the casing should be too hot to hold with bare hands, cold water is poured onto the bolt.

The bolt may then hit with a metal tool in a percussive manner.

A tool is used to undo the bolt, a tube is used to provide leverage to reduce the effort needed to undo the bolt

if you're struggling to undo a bolt stop, check if it is essential that the bolt needs to be undone.

check your approach are you using the best tools for the job. is there better access if you use different tools