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MOSKVICH-412

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REPAIR valve gear. Replacing the valve guides

The replacement of the valve produce in this sequence: - Vypressuyte worn valve guide bush cylinder head using a special mandrel (Fig. 33); Moskvich-412 - Set the cylinder head at the drilling machine, having an inclined table. Tilting table set head so that the spindle of the machine was on the axis of the hole guide bushing in the head. For this table, expand at an angle of 26 + -5 "with respect, when the lower plane head is in a horizontal position. Expand hole in the cylinder head, from which the extruded bush, in the 15.297-15.270 mm. - Zapressuyte deployed in the hole in the cylinder head repair sleeve, having increased by 0.3 mm outer diameter (15.334-15.322 mm). Pressing-produce with the help of the same mandrel, which was carried out overflow. Before Joining guide bushings, fabricated-metal, pre propitayto in oil for the engine during 1.5 hours (at least). Bush pressed into to the size specified in Fig.34; Moskvich-412 - Expand the hole in the sleeve on the compacted 8.026-8.008 mm. At the same roundness and taper should not be be more than 0.010 mm. After deployment, make sure the holes straightness of 7.995 mm mandrel, which should be freely pass the entire length of the bushing.
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