How to Adjust the Valve of 465 Engine

45 Engine valve adjustment method: adjust according to the method of double rows without advance, and the ignition sequence is 1342. Turn the crankshaft to the top dead center of the cylinder; Complete adjustment of intake valve and exhaust valve of a cylinder; Three-cylinder exhaust valve; Four cylinders are not adjusted; The second cylinder is adjusted to the exhaust valve; Turn the crankshaft 360 degrees; One cylinder is not adjusted; Three-cylinder adjustment; Four-cylinder intake and exhaust valves are fully adjusted; Double cylinder arrangement; Adjust the intake valve clearance with fifteen wires; The clearance of the exhaust valve is twenty threads.

1. Assemble cylinder head. After the valve oil seals on the cylinder head, camshaft, rocker arm and rocker arm are assembled, the valve clearance can be adjusted.

2. How to use the wrench? Loosen the valve adjusting nut with 12- 14 wrench, loosen or tighten the internal thread in one word, and then insert the feeler gauge into the gap to adjust the gap you need.

3. Adjust the formula. Four-cylinder engine can adjust eight valves by two-part adjustment according to its working sequence. There is a formula: 1 in 1 line, 2 in 3 lines, 4 in 4 lines, 3 in 2 lines. Intake valve clearance is 8- 12 and exhaust valve clearance is 25-30.

4. First adjustment. Install the crescent pin on the camshaft and turn the crescent pin downward with an adjustable wrench, which is located at the top dead center of cylinder 1. According to the adjustment formula, the adjustable valve is 1 intake 1 row, and the intake and exhaust valves of 1 cylinder, cylinder 2 and cylinder 3 are adjustable.

5. Second adjustment. Turn the crescent pin upward, which is located at the top dead center of the four cylinders. According to the regulation formula, there are 4 regulating valves in 4 rows and 3 in 2 rows.

6. After two adjustments, the valve clearance will be adjusted. At this time, tighten the valve adjusting screw to prevent it from loosening during driving and causing automobile failure.

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