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ISBe/ISB Series Engines – 018-016   Fuel System

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Specifications

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Automotive and Industrial

For performance and fuel rate values, refer to the Engine Data Sheet.

Maximum Fuel Inlet Restriction

With gear pump
only (no engine mounted electric fuel lift pump) (at gear pump inlet)		 50.7 kPa [15 in-Hg]
With engine mounted electric fuel lift pump (at electric fuel lift pump inlet) 20.3 kPa [6 in-Hg]

Rail Pressure

3.9 liters [238 C.I.D.] and 5.9 liter [360 C.I.D.] Engines Without EGR 250 to 1400 bar [3626 to 20,305 psi]
5.9 liters [360 C.I.D.] Engines With EGR 250 to 1600 bar [3626 to 23,206 psi]
4.5 liters [275 C.I.D], and 6.7 liters [409 C.I.D.] Engines without EGR 250 to 1600 bar [3626 to 23,206 psi]

Fuel Pressure Range at Fuel Filter Outlet (engine cranking)

With gear pump
only (no electric lift pump)		 303 to 1103 kPa [44 to 160 psi]
With electric lift pump 0.0 to 0.8 bar [0.0 to 11.6 psi]

Fuel Pressure Range at Fuel Filter Inlet (engine running)

With gear pump
only (no electric lift pump)		 503 to 1303 kPa [73 to 189 psi]
With electric lift pump 0 to 80 kPa [0 to 11.6 psi]

Maximum Pressure Drop across Fuel Filter

With gear pump
only (no electric lift pump)		 200 kPa [29 psi]
With electric lift pump 34 kPa [5 psi]
Maximum Fuel Drain Line Restriction 19 kPa [2.7 psi]
Maximum Fuel Inlet Temperature 70°C [158°F]

Last Modified:  21-Jul-2006
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