Explanation
Difficulty level 1: Beginner. Part does not have to be installed.
Difficulty level 2: Do-it-yourself. Tools for (simple) installation required. Some skills needed.
Difficulty level 3: Experienced technician. Special tools might be necessary. Repair skills required. We could undertake the installation/repair for you.
Difficulty level 4: trained technician. Special tools and complex tests and/or calibrations necessary. We could undertake the installation/repair for you.
Difficulty level 5: Do not repair yourself. We advice to have a repair company place this part.