72 EVRT® ELEC TRONICA LLY CONTROLLED TURBOC HA RGER
Figure 60 VGT mounting
1. M10 Spiralock® nut (4)
NOTE: To aid removal of the turbocharger, loo
sen four
M10 nuts 1/4 turn then tap each nut using a soc
ket or
flat punch and a hammer. This will knock the “
peaks”
of the threads down, allowing the nuts
to unthread
easily.
WARNING: To prevent personal injury or
death, support turbocharger assembly during
removal and installation.
5. Remove three of four M10 Spiralock® nuts
holding the VGT assembly to the exhaust
manifold.
6. Support the VGT assembly, remove the fourth
M10 nut, and remove the VGT assembly and
turbocharger oil drain tube as a combined unit.
7. Remove the oil drain tube from VGT assembly
anddiscardtheoildraintubeO-rings.
8. Remove and discard the turbocharger mounting
gasket.
9. Discard used M10 Spiralock® nuts.
Cleaning
Turb o cha rge r and Related Parts
WARNING: To prevent personal injury or
death, wear safety glasses with side shields.
Limit compressed air pressure to 207 kPa (30 psi).
1. Use soap and water to clean piping between
VGT and air cleaner assembly. Use filtered
compressed air to dry piping.
2. Use filtered compressed air to clean the air inlet
piping and connecting hoses.
3. Use a suitable solvent and a nylon brush to clean
the oil inlet tube and oil drain tube. Use filtered
compressed air to dry the tubes. Replace any
damaged tubes.
4. Clean remaining gasket material from mounting
surface of the turbine housing and exhaust
manifold.
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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