FUEL SYSTEM 363
Specifications
Table 46 Fuel System Specifica tions
On:2°C(36°F)
Fuel heater switching points
Off:24°C(75°F)
Fuel pressure regulator assembly opening pressure
448 - 517 kPa (65-75 psi)
Fuel strainer 150 micron
High-pressure oil manifold, range 5 - 28 MPa (725 - 4,075 psi)
Special Torque
Table 47 Fuel System Special Torques
Bolt, M8 x 20
29 N·m (21 lbf·ft)
Drain valve
0.5-1N·m(5-10lbf·in)
Elbow jam nut
88 N·m (65 lbf·in)
End plug assembly (AWA) or attenuator 204 N·m (150 lbf·ft)
Fitting assembly, 3/8 tube 27 N·m (20 lbf·ft)
Fuel bowl
39 N·m (29 lbf·ft)
Fuel drain plug
24 N·m (18 lbf·ft)
Fuel fitting 27 N·m (20 lbf·ft)
Fuel filter header mounting bolts, M8 x 100 27 N·m (20 lbf·ft)
Fuel filter housing cover 25 N·m (18 lbf·ft)
Fuel pressure regulator
1-1.7N·m(10-15lbf·in)
Fuel valve assembly (air bleed and pressure test port) 15 N·m (132 lbf·in)
High-pressure oil hose fitting,
M18 (at head)
54 N·m (40 lbf·ft)
High-pressureoilhose(swivelnuts) 46N·m(34lbf·ft)
High-pressure oil manifold bolts, M8 x 90 27 N·m (20 lbf·ft)
High-pressure oil pump assembly bolts
30 N·m (22 lbf·ft)
High-pressure oil pump assembly (gear) 231-279 N·m (170 - 205 lbf·ft)
Injector hold down clamp a
ssembly
41 N·m (30 lbf·ft)
IPR valve assembly
50 N·m (37 lbf·ft)
Low-pressure fuel pump bolts, M6 x 16 15 - 18 N·m (132 - 160 lbf·in)
Low-pressure fuel pump tube coupling nuts 18 N·m (155 lbf·in)
Plug assembly, M12 (i
ntake manifold fuel rail)
24 N·m (18 lbf·ft)
Post
8N·m(72lbf·in)
Self tapping screw 5 N·m (41 lbf·in)
Water In Fuel (WIF
)sensor
1.7 N·m (15 lbf·in
)
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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