●
Connect the sandblasting gun and hose connector together to
the engine manifold port, and confirm that they are well sealed.
●
Pull the sandblasting switch and start to enter the de-carbon
procedure (generally, one manifold port can be cleaned up for
about 2 minutes and then stop to check the cleaning effect).
●
After cleaning the carbon deposits, use a dust blowing gun to
blow out the remaining sand particles.
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