A Series Diesel Engine Air System 112
Install the turbocharger, air crossover tube, oil drain
tube, oil supply line, and the exhaust and intake
piping. Operate the engine to check for leaks.
Intake Air Restriction
Replace the air cleaner element when the restriction
reaches the maximum limit at rated engine RPM.
Naturally Aspirated Turbocharged
6.23 kPa [635 mmAq] 6.23 kPa [635 mmAq]
Measure the restriction just before the turbocharger.
Measure just before the intake manifold for naturally
aspirated engines.