| Removing and installing the cylinder head |
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| Cylinder heads with cracks between the valve seats may continue to be used without any reduction in the life time provided the cracks are slight and max. 0.5 mm wide. |
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| It is not permissible to rework the cylinder heads of diesel engines. |
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| Replace cylinder head bolts. |
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| When installing an exchange cylinder head with the camshaft installed, it is necessary to oil the contact surfaces between the bucket tappet and the cam track after installing the cylinder head. |
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| Do not remove the plastic bases supplied as a protection for the open valves of an exchange cylinder head with installed camshaft until just before fitting on the cylinder head. |
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| When replacing the cylinder head, replace all the coolant. |
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| Engine temperature should not exceed 35 °C, because the cylinder head could be twisted when slackening the screws. |
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