Navistar INTERNATIONAL DT 466 - Page 281

CRANKCASE, CRANKSHAFT, AND CAMSHAFT 277
Table 38 C rankcase Specifications
Cap attachment
2 bolts per cap
Coolant heater rating
1250 W, 120 V
Counterbore depth in crankcase 8.865 ± 0.025 at 132 mm (0.349 ± 0.001
at 5.189 in)
Crankcase deck flatness 0.08 mm (0.003 in)
Crankcase main bearing bore diameter 116.421 ± 0.0127 mm (4.4583 ± 0.0005 in)
Cylinder sleeve counterbore maximum allowable depth 9.25 mm (0.364 in)
Main bearing type Precision replaceable
Material
Steel-backed copper, lead, tin
Maximum allowable variation of counterbore depth (between
four points)
0.025 mm (0.001 in)
Piston cooling tube dia. (spray hole) DT 466 1.91 - 2.06 mm (0.075 - 0.081 in)
Piston cooling tube dia. (spray hole) DT 570, HT 570 2.26 - 2.41 mm (0.089 - 0.095 in)
Roller tappet outside diameter
28.435 - 28.448 mm (1.1195 -1.1200 in)
Sleeve protrusion above crankcase 0.05 - 0.13 mm (0.002 - 0.005 in)
Tappet bore diameter
28.51 - 28.55 mm (1.123 - 1.124 in)
Thrust taken by No. 7 rear upper main bearing
Camshaft
Bushing I.D. (installed) 58.03 - 58.12 mm (2.285-2.288 in)
Cam lobe lift, exhaust 6.91 mm (0.272 in)
Cam lobe lift, intake 6.68 mm (0.263 in)
Camshaft end play 0.18 - 0.33 mm (0.007 - 0.013 in)
Camshaft journal diameter 57.95 - 58.98 mm (2.282 - 2.283 in
)
Camshaft radial clearance 0.05 - 0.17 mm (0.002 - 0.007 in)
Maximum permissible cam lobe
wear
0.25 mm (0.010 in)
Service bushings furnishe
dtosize
Yes
Thrust plate thickness (new) 6.96 - 7.01 mm (0.274 - 0.276 in)
Camshaft bushing bore diameter in crankcase
Front
65.51 - 63.55 mm (2.501 - 2
.502 in)
Intermediate front 63.01 - 63.04 mm (2.481 - 2.482 in)
Intermediate rear
63.01 - 63.04 mm (2.481 - 2.482 in)
Rear
65.51 - 63.55 mm (2.50
1 - 2.502 in)
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.