How to adjust the valve of Deutz diesel engine?

Ignition sequence 1-3-4-2 Shake the crankshaft to 1 cylinder compression top dead center: Adjust 1 cylinder intake valve and exhaust valve of cylinder 3 and intake valve of cylinder 2 Shake the crankshaft to cylinder 4 compression top dead center: Adjust intake valve and exhaust valve of cylinder 4, exhaust valve of cylinder 2 and intake valve of cylinder 3.

As for how to determine the top dead center, first turn the crankshaft to the top dead center. There are scales on the crankshaft pulley. At this time, it is the top dead center of 1 cylinder and cylinder 4, one is the compression top dead center and the other is the exhaust top dead center. The intake valve and exhaust valve of compression top dead center are closed, while the exhaust valve of exhaust top dead center is opened. LZ can take a look and know which is the compression top dead center and which is the exhaust top dead center. The adjustment of valve clearance needs to be carried out at the compression top dead center.