Quote:
Originally Posted by funola
Yeah we don't know which engine he has. But per your pic, heat shield 110 is clearly visible once the injector is removed. As long as you can put a socket and a ratchet on the injector to remove it, I would think you should be able to get a straight shot to access the heat shield seat with a long screw driver wrapped in denim to clean it.
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His wording was not clear and He did not say what Engine. When He removes the Injector He dose not want the crud built up in that empty space around the Injector to fall into it.
After he gets the Injector out He can do what he wants to clean the Heat Shield area.
Where I worked we had a Brush made for use with a Drill Motor that the fine Bristles pointed down on welded to a 1/4" Rod. You just stuck that in the Hole and gave the Triger a quick squeeze and release.
Despite the worries of Bristles falling off the Brush and getting into the Engine there is all manner of Injector Tube Brushes you can buy. If a Bristle from the Brush falling into the Engine was a freaquent problem they would not sell the Brushes.
In My case I had an Air Gun with a long Nozzle and I would stick that down into the combustion chamber and blast some Air. Next I would pull that up and blast Air into the Injector tube so it would create a spiral flow. After that you can crank the Engine if you want to blow out stuff.
Of course you could also look into the Hole and stick a Magnet down their to get any Bristles.
In the pic is an example of some Injector Tube Brushes. These are made to turn by hand but there are others made for use in a Drill Motor or Pneumatic Drill.