Detroit Diesel MBE 4000 Service Manual page 198

1.19 VALVES
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1. If adjustment is needed, unscrew the locknut. See Figure 1-115. Turn the adjusting
screw until the valve lash is correct. Use the exact settings given in the "Adjust To"
column listed in Table 1-36.
1. Adjusting Screw
Figure 1-115
NOTE:
When adjusting the valves, adjust to the exact setting. Use the range only for checking
adjustment.
2. Tighten the locknut 50 N·m (37 lb·ft).
3. Check the valve lash again. Adjust again if necessary.
4. Install the cylinder head covers. Refer to section 1.1.2.
5. Remove the cranking tool from the inspection hole in the flywheel housing.
6. Replace the end cover on the inspection hole and tighten the bolts 25 N·m (18 lb·ft).
1.19.4 Measuring Valve Standback
Measure the valve standback as follows:
1. Remove the cylinder head from the engine. Refer to section 1.2.1.
1-150
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Valve Lash Adjustment
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2. Locknut
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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All information subject to change without notice.
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