256 CRANKCASE, C RAN KSHAFT, AND CAMSHAFT
Crankcase Ladder (DT 466 series – 225 hp and
245 hp @ 2600 rpm ) and a ll 570 ratings
Figure 362 Crankcase ladder hardware
NOTE: Refer to the following for information
regarding the removal or installation of these related
components:
• Oil pan (Removing the Oil Pan, page206)
• Oil suction tube (Removing the Oil Suction Tube,
page207)
1. Remove 14 crankcase ladder bolts (M12 x 35) and
spacers.
2. Remove 10 crankcase ladder bolts (M10 x 25).
Figure 363 Removing the crankcase ladder
3. Remove the crankcase ladder.
Crankshaft Disassembly
NOTE: Before removing the crankshaft, it may
be necessary to remove the piston assemblies
(Removing Piston and Connecting Rod Assembly,
page218).
Figure 364 Main bearing cap identification
stamps
1. Verify that the main bearing caps and crankcase
are numbered. You may have to degrease
accordingly to gain access to the stamped
numbers.
2. Loosen all the main bearing bolts (M15 x 162).
Figure 365 Removing the main bearings
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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