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ISM, ISMe, and QSM11 – 018-016   Fuel System

Specifications

 TOC

Automotive Applications

For performance and fuel rate values, refer to the engine data sheet or the fuel pump code for the particular model involved.

Engine Idle Speed:

Automotive 600 to 800 rpm
Transit Bus 650 to 800 rpm

Fuel Inlet Maximum Restriction:

Clean Fuel Filter 152 mm Hg [6 in Hg]
Dirty Fuel Filter 254 mm Hg [10 in Hg]
Fuel Drain Line Maximum Restriction 89 mm Hg [3.5 in Hg]

Minimum Fuel Pressure:

During Cranking 172 kPa [25 psi]
1200 rpm 827 kPa [120 psi]
Governed rpm 1034 to 1241 kPa [150 to 180 psi]
Fuel Inlet Maximum Temperature 71°C [160°F]
Engine Minimum Cranking Speed 150 rpm

Marine Applications

Maximum Fuel Inlet Temperature 71°C [160°F]

Fuel Inlet Maximum Restriction:

Marine Applications

Clean Fuel Filter 152 mm Hg [6 in Hg]
Dirty Fuel Filter 203 mm Hg [8 in Hg]

Fuel Drain Maximum Restriction:

Without Check Valves 63mm Hg [2.5 in Hg]
Engine Minimum Cranking Speed 120 rpm

Industrial Applications

Maximum Fuel Inlet Temperature 71°C [160°F]

Fuel Inlet Maximum Restriction:

Industrial and Generator Drive Applications

Clean Fuel Filter 102 mm Hg [4 in Hg]
Dirty Fuel Filter 203 mm Hg [8 in Hg]

Fuel Drain Maximum Restriction:

Without Check Valves 63mm Hg [2.5 in Hg]
Engine Minimum Cranking Speed 120 rpm

Last Modified:  06-Feb-2009
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