Shantui SD22 bulldozer Cummins engine assembly NT855-C280S10 1. What method is used to directly adjust the valve clearance of various engines? Now we have a disassembled engine, but the adjustment requires special tools and adjustment according to the crankshaft mark; Answer: To adjust the valve clearance of various engines, you can use the Cummins Cylinder Block to adjust. 6-cylinder engine, ignition order 153624. Cylinder method, adjust the valve of cylinder 1, and observe the first time when the exhaust valve of cylinder 6 rises and the intake valve falls. At this time, cylinder 1 will ignite. Adjust the valve of cylinder 5, and observe the first time when the exhaust valve of cylinder 2 rises and the intake valve falls. At this time, cylinder 5 will ignite. Adjust the valve of cylinder 3, and observe the first time when the exhaust valve of cylinder 4 rises and the intake valve falls. At this time, cylinder 3 will ignite. The same goes for the last three cylinders. This met…