Removal; Piston Cooling Tubes; Old Piston Cooling Tubes - Navistar INTERNATIONAL DT 466 Service Manual

Removal

GOVERNMENT REGULATION: Engine
fluids (oil, fuel, and coolant) may be a hazard
to human health and the environment.
Handle all fluids and other contaminated
materials (e.g. filters, rags) in accordance
with applicable regulations.
or dispose of engine fluids, filters, and
other contaminated materials according to
applicable regulations.
WARNING: To prevent personal injury or
death, read all safety instructions in the "Safety
Information" section of this manual.
WARNING: To prevent personal injury or
death, shift transmission to park or neutral, set
parking brake, and block wheels before doing
diagnostic or service procedures.
WARNING: To prevent personal injury or
death, allow engine to cool before working with
components.
WARNING: To prevent personal injury or
death, disconnect ground (-) cable from battery
before doing service or diagnostic procedures.
WARNING: To prevent personal injury or
death, do not let engine fluids stay on your skin.
Clean skin and nails using hand cleaner and wash
with soap and water. Wash or discard clothing
and rags contaminated with engine fluids.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
POWER CYLINDERS
CAUTION: To prevent engine damage, keep the
fractured mating surfaces of the connecting rod and
cap clean and free of lint and debris. Do not allow
the mating surfaces to rest on any surface. Do not
bump the mating surfaces or drop the connecting rod
or cap. This could cause chipping and wear on the
mating surface, resulting in improper mating during
installation and possible engine damage.
CAUTION: If a carbon ridge has developed at the top
Recycle
of the cylinder sleeve, use a razor knife to scrape it
off before removing the piston assemblies. Care must
be taken not to damage the sleeve bore surface when
removing the carbon.

Piston Cooling Tubes

NOTE: Old piston cooling tubes and bolts can be
reused or replaced with new piston cooling tubes and
bolts.

Old Piston Cooling Tubes

NOTE: The crankshaft may need to be rotated to
access some piston cooling tubes.
Figure 297 Old piston cooling tube
1. Remove M6 x 16 patch type bolt from piston
cooling tubes.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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