Crankcase Ladder (Dt 466 Series - 225 Hp And 245 Hp @ 2600 Rpm) And All 570 Ratings - Navistar INTERNATIONAL DT 466 Service Manual

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Figure 397 Crankshaft main bearing bolt
1. Head of bolt with mark, position 1
2. Head of bolt with mark, position 2 (bolt stretches)
3. Main cap surface
4. Mark (permanent marker)
c. Use a permanent marker to add a mark
on each bolt head and another mark 90°
clockwise on the main cap. Also mark the
socket to match the bolt marking.
d. Rotate each crankshaft main bearing bolt
(Figure 397) 90 degrees (1/4 turn).
Crankcase Ladder (DT 466 series – 225 hp and
245 hp @ 2600 rpm) and all 570 ratings
NOTE: The crankcase ladder is symmetrical;
therefore, it does not matter which way it is installed.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
CRANKCASE, CRANKSHAFT, AND CAMSHAFT
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Figure 398 Installing the crankcase ladder
1. Install crankcase ladder onto crankcase.
Figure 399 Crankcase ladder hardware
2. Install 14 crankcase ladder spacers and bolts
(M12 x 35) to the 14 inboard bolt holes finger
tight.
3. Install 10 crankcase ladder bolts (M10 x 25) to the
10 outboard bolt holes finger tight.
EGES-265-2