Tube removal and replacement procedure shell & tube type cooler
- Cut off both end of faulty tube by the drill 1.0 mm smaller than the outside diameter of the tube. Drilling length should be about 5.0 mm shorter than tube sheet thickness.
- Collapse the tube end by chisel tool
- Knock out the tube by punch and tube push out tool
Tube renewal procedure shell and tube type heat exchanger:
FIG.: Flare tool to flare tube ends