Clean
Combustion face of cylinder head taking care not to damage swirl chamber surfaces.
Inspect
Depth of swirl chambers below cylinder head - apply straight edge from number 1 to number 4 swirl chambers. If dimension exceeds 0.02 mm replace swirl chambers or cylinder head.
Check for damage and cracking replace as necessary.
Mark swirl chambers for cylinder position.
Remove
Swirl chambers – if swirl chambers stick drive out using soft metal drift inserted through injector hole. Tap out lightly using a hammer.
Install
Swirl chambers to cylinder head – use plastic hammer to partially install.
Caution
Take care to correctly position centring balls which prevent swirl chambers from turning.
Install
Swirl chamber fully into cylinder head - place metal plate approximately 25 mm thick over swirl chamber then fully install using press with force of 44 100 – 53 900 N.
Caution
Do not exceed specified force or cylinder head will be damaged.
Check swirl chamber is firmly seated - lightly tap with plastic hammer.
Caution
Grind swirl chamber flush with surface of cylinder head - use surface grinder.
Check swirl chamber has no depressions and is firmly seated – lightly tap with plastic hammer.