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康明斯柴油机的调整主要是在柴油机装配或维修保养时进行,一般都要对供油正时和气门间隙进行调整。由于N系列柴油机采用四气门结构和独特的PT燃油系统,所以除了气门间隙和喷油正时的调整外,还包括丁字压板和喷油器柱塞升程的调整(N系列柴油机采用非上止式PT喷油器)。
Cummins diesel engine adjustment is mainly carried out in the assembly or maintenance of diesel engines, fuel timing and valve clearance are generally adjusted. Due to the four-valve structure and the unique PT fuel system, the N series diesel engine includes adjustment of the valve lift and the injector plunger lift in addition to the adjustment of the valve clearance and injection timing (N series diesel engines use non- PT injector).