1. Open the water drain valve and drain some fuel. (For reference only: (Yanan diesel generator set in Fujian? : 4111-181-999) Ya Xiaonan answers for you)

2. Remove the filter element and the water cup together in the counterclockwise direction of the thread, and then remove the water cup from the filter element.

3, carefully clean the water cup and oil ring.

we must pay attention to the quality of the water cup and oil ring. The quality of diesel engine parts of regular generator manufacturers has been tested.

4. Apply a thin layer of oil to the oil ring with grease or fuel, then install a new filter element on the water collecting cup, and then tighten it by hand. Here, we especially remind everyone that in order to avoid damaging the water collecting cup and filter element, please do not use any tools when tightening it.

5. Apply a thin layer of oil to the oil ring at the top of the filter element with grease or fuel oil, then put the water collecting cup and the filter element into the joint and tighten it by hand.

6. In order to eliminate the air in the filter element, start the oil filling pump at the top of the filter until oil seeps from the filter.

7. Start the diesel generator set to check whether there is any leakage, and if there is, stop the machine to eliminate it.