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MOSKVICH-412

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REPAIR valve gear. Adjusting the valve clearance of heat

Thermal gap adjustment is made only on the engine is cold, ie, at a temperature of cooling fluid 15-20 * C. The gaps between the tips of the rods valves and adjustment screws shall be for an inlet and exhaust valves 0.15-0.17 mm. When the engine and the attainment of the lower limit of normal thermal conditions (The temperature of the coolant in the jacket head cylinders of 80 * C) clearances are normal value -0.2 mm. The sequence of operations is as follows: - Set the first cylinder piston (counting from the radiator) at TDC compression stroke (both valves closed) turning the crank the engine crankshaft so to risk on the crankshaft pulley (which is on the run, see Figure 8), was combined with the point of a pin fixed to the bottom cover the distribution of stars; - Otreguliruyto gaps between the lugs and valve stems ends of the rod bolts. To this end wrench (S = 14 mm) Release the pressure screw lock nut and turn the rocker head of the screw propeller special key until the desired gap; - With the help of a flat probe (Fig. 45) check clearances mezhzhdu adjusting bolts tipped rods and rocker arms valves of the first cylinder; - Tighten the lock nut and screw the screw back rocker check the flat probe the gap; - Rotate the crankshafxtexactly to 1 \ 2 turns; - Adjust the clearance between the tip and the ends of rods third valve of the cylinder. In this position of the crankshaft third cylinder valve is fully closed and the beam released; - Subsequent rotations of the crankshafxtexactly to 1 \ 2 turns Pistons set cheivertogo and then the second cylinder at TDC the compression stroke, adjust and check the clearance between the tips ends of the bolts and valve stems of the cylinder; - Replace the cylinder head cover, making sure sotoyanie sealing gaskets and, if necessary, Put a new gasket (gasket glue to the lid with bakelite varnish). Moskvich-412
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