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康明斯B&C系列发动机的气门杆尾端与其传动件之间都留有一定的气门间隙,以防机件因热胀冷缩而影响发动机正常工作。在工作中如果气门间隙过大,会导致排气不畅,不但影响发动机的动力性能而且会增大噪声(气
Cummins B & C series engine valve stem tail and its transmission parts are left between the valve clearance to prevent mechanical parts due to thermal expansion and contraction affect the normal work of the engine. If the valve clearance is too large at work, will lead to poor exhaust, not only affect the engine’s dynamic performance but also increase the noise (gas