CYLINDER HEAD AND VALVE TRAIN 123
Figure 142 Recording camshaft lobe reading
3. Rotate the crankshaft and bring push rod to its
highest point of travel. Record indicator reading.
4. Repeat this procedure for all lobes.
5. For specifications on camshaft lobe (Table 13).
Removing Rocker Arms
NOTE: Mark rocker arms and rocker shaft supports
for location to ensure correct placement for later
reassembly.
1. Place the rocker arm assembly on a clean flat
surface. Mark each rocker arm before removal to
aid in assembly of the rocker arm shaft later on.
2. Remove the 12 rocker shaft clamps.
Figure 143 Rocker arm configu ration
1. Clamp bolt assembly
2. Exhaust rocker arm
3. Rocker arm shaft support
4. Lower support washer
5. Machined recessed
6. Intake rocker arm
3. Slide rocker arm assembly components off shaft.
4. Tag all pushrods with cylinder number and valve
association (intake or exhaust).
5. Remove all pushrods.
Removing Cylinder Head
CAUTION: To prevent engine damage, remove
injectors before cylinder head removal (High-pressure
Oil Rail Assembly, page346).
1. Remove and discard 26 cylinder head mounting
bolts (M15 x 180).
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.
To Next Page
Loading...
