CRANKCASE, CRANKSHAFT, AND CAMSHAFT 249
Table of Contents
Removal...................................................................................................................253
Crankcase Ventilation System...............................................................................253
Oil Level Gauge................................................................................................255
Crankcase Ladder (DT 466 series – 225 hp and 245 hp @ 2600 rpm) and all 57
0 ratings........256
Crankshaft Disassembly......................................................................................256
Cam Gear from Camshaft....................................................................................257
Camshaft Disassembly.......................................................................................258
Camshaft Bushings...........................................................................................259
Coolant Heater (if equipped).................................................................................260
Cleaning and Inspection...............................................................................................261
Cleaning the Crankcase......................................................................................261
Crankcase Ventilation.........................................................................................261
Crankshaft and Main Bearings..............................................................................262
Checking Camshaft Assembly..............................................................................262
Checking Camshaft Lobes and Journals..................................................................263
Installation................................................................................................................263
Coolant Heater (if equipped).................................................................................263
Camshaft Bushings...........................................................................................263
Camshaft Assembly...........................................................................................266
Cam Gear on Camshaft.......................................................................................267
Checking Camshaft End Play................................................................................267
Crankshaft Assembly.........................................................................................268
Bearing Fitting Procedure....................................................................................269
Main Bearings and Caps......................................................................................270
Torque Procedure for Torque-to-Yield Main Bearing Bolts.............................................27
1
Crankcase Ladder (DT 466 series – 225 hp and 245 hp @ 2600 rpm) an
d all 570 ratings........272
Oil Level Gauge................................................................................................274
Crankcase Ventilation System...............................................................................274
Specifications............................................................................................................276
Special Torque...........................................................................................................278
Special Service Tools...................................................................................................278
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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