* Identify injector "blow-by' exists (see previous page for possible symptoms)
* Gain access to the injectors and remove them
* Select required reamer onto pilot post and tighten internal hex screw
* Place assembled cutter into injector recess
* Using the T bar and socket supplied apply only a small amount of pressure whilst turning the cutter in a clockwise direction only

* Use a small amount of light lubricant whilst performing the cut to only remove enough metal to form a good seat
* Thoroughly clean the seat and remove all sward
* Fit injectors as per manufactures instructions