Service Manual

Turbocharger ISB, ISBe and QSB (Common Rail [...]
Page 10-50 Section 10 - Air Intake System - Group 10
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Clean and Inspect for Reuse
• Clean the turbocharger and exhaust manifold gasket
surfaces.
• Inspect the turbocharger and exhaust manifold gasket
surfaces, and the mounting studs for cracks or other
damage.
• Replace the turbocharger if any cracks are found in
the mounting flange surfaces. See the Remove and
Install sections in this procedure.
• Replace the exhaust manifold if any cracks or other
damage is found in the mounting flange surfaces. Use
the following procedure for automotive and industrial
applications. Refer to Procedure 011-007 in Section
11. Use the following procedure for marine
applications. Refer to Procedure 011-036 in Section 11
WARNING
When using solvents, acids, or alkaline materials for
cleaning, follow the manufacturer's recommendations
for use. Wear goggles and protective clothing to
reduce the possibility of personal injury.
WARNING
When using a steam cleaner, wear safety glasses or a
face shield, as well as protective clothing. Hot steam
can cause serious personal injury.
WARNING
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause
personal injury.
• Remove all carbon deposits and gasket material from
surfaces (1, 2, and 3).
• Use solvent or steam to clean the exterior of the
turbocharger.
• Dry with compressed air.
• Inspect the turbine and compressor housings.
• If cracks are found which go all the way through the
outer walls, the turbocharger must be replaced.
NOTE: On automotive and industrial engines, a charge-air
cooler damage can cause progressive damage to the
turbine housing. If the turbine housing is damaged, check
the charge-air cooler. Refer to Procedure 010-027 in
Section 10.