124 CYLINDER HEAD AND VALVE TRAIN
WARNING: To prevent serious personal
injury, possible death, or damage to the engine
or vehicle, chain must be equipped with safety
hooks. See safety section in front of manual.
Figure 144 Removing cylinder head from
crankcase
2. Attach appropriate hoist and lifting hooks to lifting
eyes. Carefully lift the cylinder head from the
crankcase.
3. After cylinder head been placed on a workbench
surface, remove both lifting eyes and four bolts
(M12 x 25) from cylinder head.
Figure 145 Removing cylinder head gasket
NOTE: Place the cylinder head on wood blocks to
protect the valves and bottom deck surface.
4. Remove the cylinder head gasket from the
crankcase. Discard the gasket.
Figure 146 Removing alignment dowels
5. Remove the alignment dowels from the top of the
crankcase, only if damaged.
Roller Tappets
Figure 147 Roller tappets and guide
Remove each roller tappet and guide from tappet bore
and mark with cylinder number, valve association
(intake or exhaust), and roller orientation.
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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