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MOSKVICH-412

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REPAIR valve gear. Check the status of the valves and guides

Checking the status of the valves and guides make in the following sequence: - Valves are taken out of the guides of the cylinder head, thoroughly clean of sludge and varnish deposits and prmoyte. For temporary storage of valves should be used wooden Stand with holes, where valve inserted his rod; - When measuring the diameter of the valve, determine the actual rod and working beat bevel. Measure the diameter of the valve stem produce a micrometer, and working beat bevel - a special adaptation (Fig. 32). Moskvich-412 Limit the size of the valve stem, the beating of a valid work chamfers and diametrical clearance between the hole in the guide bushing and valve stem are shown in Table 2. If the wear of the valve stem than the allowable amount of wear - replace the valve. The increased beating of the working bevel the valve must be removed by grinding. Polishing chamfer is working well and when on the surface of it there are traces of burn-out, sinks and other damage. If the wear surface of the hole in the guide bush than the allowable amount - Replace the plug.
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