Fuel System Inspection - Detroit Diesel MBE 4000 Service Manual

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Fuel System Inspection

The torque specifications for fuel line nuts are listed in Table 2-11. The fuel system specifications
for pressure are listed in Table 2-12.
Component
Transfer Tube Nut
High Pressure Line Nuts
Table 2-11 Torque Specifications for Fuel Line Nuts
Fuel Pressure Test at idle rpm
Fuel Pressure Test at rated rpm
Maximum difference between fuel filter housing
inlet and outlet pressure
Table 2-12 Fuel System Specifications for Pressure
2-64
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Speed
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Torque
45 N·m (33 lb·ft)
30 N·m (22 lb·ft)
Pressure
2 bar (29 psi) – minimum
5.5 – 6.5 bar (80 – 95 psi)
0.3 bar (4 psi)
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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