How to debug the valve of pickup diesel engine

1. Find the marks on the crankshaft pulley and timing cover (gear room cover), turn the crankshaft to match the marks, make the crankshaft reach the compression top dead center of the first cylinder, the first cylinder is at the compression top dead center, and both valves are closed. Adjust the intake valve and exhaust valve of the first cylinder.

2. The second cylinder is in the intake stroke, the intake valve is open, and only the exhaust valve can be selected; The third cylinder belongs to the exhaust stroke, the exhaust valve is opened, and only the intake valve can be adjusted.

3. Turn the crankshaft 360 to 1 cylinder exhaust TDC, and adjust other positions and valves.

Finally, turn the crankshaft once or twice, and then check it again. (Valve clearance: intake valve 28C, exhaust valve 33C or intake valve 25C, exhaust valve 30C).