New Piston Cooling Tubes; Removing Piston And Connecting Rod Assembly - Navistar INTERNATIONAL DT 466 Service Manual

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Figure 298 Old piston cooling tube
2. Remove six old piston cooling tubes only if
replacing with new.

New Piston Cooling Tubes

NOTE: The crankshaft may need to be rotated to
access some piston cooling tubes.
Figure 299 New piston cooling tube
1. Piston cooling tube (6)
2. M6 x 12 bolt (6)
3. Mounting pad (6)
1. Remove M6 x 12 bolt from piston cooling tubes
and bolts.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
POWER CYLINDERS
Figure 300 O-ring (underside) of new piston
cooling tube
2. Remove and discard O-rings.

Removing Piston and Connecting Rod Assembly

Figure 301 Loosening connecting rod bolts
1. Loosen both connecting rod bolts two turns.
2. Rock the two bolts on the rod cap to loosen.
3. Repeat procedure for all other connecting rods.
4. Rotate the engine to a vertical position with the
front end up.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.