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2.3.4 Detection of planeness of cylinder head Follow the method as shown in the figure to measure planeness of the cylinder head with a feeler gauge; the planeness of the cylinder should not exceed 0.05-0.10mm, if exceeding this valve, replace the cylinder head assembly.
III. Assembly of Cylinder Head Assembly 1. Please follow the order adverse to that for disassembly of cylinder head to install, but care should be taken for the following matters during installation. 2. Use the special tool CH-20012 to install new valve oil seal onto the guide first.
3. Insert big end of the guide onto the valve guide.
4. Envelope the special tool onto CH-20012, and then softly and forcibly compact.
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