Detroit Diesel MBE 4000 Service Manual page 65

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7. Measure the overall height of the cylinder head. See Figure 1-10. Replace the head if
below the minimum height. If above the maximum height, machine the head down to
the maximum height listed in Table 1-6.
1. Cylinder Head
2. Exhaust Valve
Figure 1-10
Machining
1. Machine the contact surface of the cylinder head, to correct any problems found during
inspection.
[a] If rejected for warpage, check warpage again until it is within specifications.
[b] If rejected for lack of parallelism, check parallelism again until it is within
specifications.
2. After machining, check again the overall height of the cylinder head.
3. Install the constant-throttle valve. Refer to section 1.6.2.
4. Install the intake and exhaust valves. Refer to section 1.19.6.
5. Install the nozzle holder. Refer to section 2.4.2.
6. Install the cylinder head. Refer to section 1.2.2.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Measuring Cylinder Head Height
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MBE 4000 SERVICE MANUAL
3. Intake Valve
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1-17
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