The first generation of carts Over lift UEH measurement CRIN2
Clamp the injector with the fixture
Release solenoid valve with Special tool
4.Remove the solenoid valve
Remove the spring and shims
Remove the armature assembly and valve ball valve seat
Remove valve ball valve seat
Removed The ball valve seat then re-loaded armature assembly
9.Add CRI CRIN1 AH bushing
Add BOSCH CRI CRIN1 AH  adapter
The following measuring step is same with step CRIN1 armature lift ，not repeat here ! The difference is that you do not put the valve ball and seat, if not ,pls first learn CRIN1 the AH measurement ,CRIN1 over lift UEH very important!
If CRIN1 of UEH inappropriate, first retainer Figure 6.7 upside down prior to use, or to replace these two retainer thickness
