Cylinder Head Cracking - Navistar INTERNATIONAL DT 466 Service Manual

128

Cylinder Head Cracking

Figure 154 Spraying brake cleaner on cylinder
head
NOTE: The cylinder head cracking inspection can be
performed with or without valves installed.
1. Spray brake cleaner on the gasket surface of the
cylinder head and wipe it dry.
Figure 155 Spraying dye penetrant on cylinder
head
2. Spray dye penetrant on the gasket surface of the
cylinder head. Leave the dye penetrant on for
1-10 minutes.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
CYLINDER HEAD AND VALVE TRAIN
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Figure 156 Wiping dye penetrant off cylinder
head
3. Wipe off dye penetrant. The dye will remain in any
cracks in the cylinder head.
Figure 157 Spraying developer on cylinder head
4. Spray developer on the gasket surface of the
cylinder head. Allow the developer to dry for 5-15
minutes.