1 Cummins 6BT5.9 of diesel engine it is equipped with a multistage diesel filter, the first level with the oil-water separator drain valve, second grade diesel oil filter. Every day for the first time before starting should be loosen separator at the lower end of the drain valve, drain 20s, then tighten. If not promptly tightened, is the starting of the diesel engine will leak, even in diesel oil pipeline will into the air.
2 if the ambient temperature is lower than 0 DEG C, every day after the end of use should immediately release. Release of the liquid may be diesel accounted for most of the entrainment of the water and impurities), which is in order to make the diesel oil filter in the replacement of can has been in a normal state.
3 the diesel filter, disposable filter. Filter element and shell are made into a whole, according to the requirements of the continuous use of the time to more than half a year, will need to be replaced. And requirements, the demolition of old diesel filter together with the inside of the diesel away together, cannot be old diesel oil filter of diesel poured new diesel filter. Otherwise, it will because of the small saving bring waste. This is due to filter out particles, pour into the new diesel filter cleaning cavity, will accelerate the wear and tear of the fuel injection pump and injector.
4 in addition, the installation of new diesel oil filter can not leak slightly larger than the ring of the ring.
5 Cummins diesel engine should be regularly maintained.