RECONDITIONING PROCEDURE CYLINDER COVER
![](/images/procedure/cylinder/1.jpg)
1. Cleaning / inspection incl mpi/dye check (pressure test)
![](/images/procedure/cylinder/2.jpg)
2. Cleaning / inspection incl mpi/dye check
![](/images/procedure/cylinder/3.jpg)
3. Premachining / check by mpi to ensure crack free
![](/images/procedure/cylinder/4.jpg)
4. Preheating / SAW welding
![](/images/procedure/cylinder/5.jpg)
5. Heat treatment
![](/images/procedure/cylinder/6.jpg)
6. Redrilling of all pockets and cooling bores
![](/images/procedure/cylinder/7.jpg)
7. Inconel welding / grinding radius
![](/images/procedure/cylinder/8.jpg)
8. Cnc maching to origianal dimension
![](/images/procedure/cylinder/9.jpg)
9. Final inspection / pressure test (evt class approval