What is the valve clearance for a Deutz 6-cylinder engine?

1 Answers
JasonLynn
07/30/25 5:21am
For the Weichai Deutz 226B-6 engine, the intake valve clearance is 0.25 and the exhaust valve clearance is 0.35. The method for adjusting the valves is the same as for regular engines. Additional information is as follows: 1. Valve clearance: Valve clearance is set to ensure the proper operation of the internal combustion engine's valve train. Since the valve train operates at high speeds and high temperatures, components such as valve lifters and valve stems expand when heated, which can automatically push the valves open, causing the valves and valve seats to not close tightly, resulting in air leakage. To prevent this phenomenon, when designing the valve train, a certain gap is left between the end of the intake and exhaust valve stems and the adjusting screws on the lifters (or rocker arms). This gap is the valve clearance. 2. Reason for adjustment: Because the valves are in contact with the cylinder block, which generates a large amount of heat during operation, the heat is transferred to the valves, increasing their elongation.
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