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Old 02-10-2003, 09:20 AM
Posts: n/a
I agree with U, poor schema

Y30 : Is a switch-over valve that protect the engine from overload.

When disabled : the intake manifold is directly connected to The ALDA "103" on the top of the IP. It enters in action if the waste-gate "=Boot pressure control valve"on the Turbo body doesn't open when the pressure reaches ~0.9, this event send an electrical signal (thanks to the pressure switch "S66") and cuts the flow to the ALDA that consequently stop providing diesel.

I didn't put names on the diagram, I supposed that everybody know how it works. ;-)

Please correct if Imy explanation isn't OK.
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