Perkins 1204F-E44TA Systems Operation Testing And Adjusting page 49

UENR4490-01
Engines with Series Turbochargers
Illustration 41
A typical example of a block diagram for the engine with series turbochargers
(1) Air cleaner
(2) Air inlet temperature sensor
(3) Low-pressure turbocharger
(4) Exhaust gas cooler (NRS)
(5) High-pressure turbocharger
(6) NRS temperature sensor
(7) Exhaust gas valve for the NOx
Reduction System (NRS)
(8) NRS inlet pressure sensor
(9) Exhaust gas valve (NRS)
(10) Air-to-air aftercooler
This document has been printed from SPI2. NOT FOR RESALE
(11) Wastegate regulator
(12) NRS differential pressure sensor
(13) Engine
(14) Coolant temperature sensor
(15) Crankshaft speed/timing sensor
(16) Electronic unit injectors
(17) Camshaft speed/timing sensor
(18) Fuel injection pump and fuel
temperature sensor
(19) Fuel pressure sensor
(20) Oil pressure sensor
Engine Operation
(21) Atmospheric pressure sensor
(22) ECM
(23) Fuel transfer pump
(24) Primary fuel filter
(25) In-line fuel filter
(26) Boost pressure sensor
(27) Inlet manifold air temperature sensor
(28) Transfer pump inlet regulator
(29) Secondary fuel filter
(30) Fuel tank
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