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Mengjuan Zhu

The physical demarcation of the oil scale

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Test steps

(1)  oil release: unscrew the oil bolts and put the oil in the right container. If all the oil in the oil pan can not be dried through the oil drain bolt hole, the remaining lubricating oil in the oil pan must be drained through the oil pumping equipment.

(2)  install the oil drain plug, tightening torque is generally 25±3N m

(3)  refueling: oil can be added from the oil filler cap or scale pipe orifice. But if you add oil from the top of the oil filler, it takes more than 10 minutes to keep the oil flowing to the oil pan. If you add oil from the caliper nozzle, the time can be shortened to 3 minutes.

(4)  taking the design capacity of 4 to 5 liters as an example, for the first time, the lower limit capacity of the engine oil is 4 liters.

(5)  wipe the ruler clean and slowly insert it into the ruler tube. After inserting into position, stand still for a few seconds, then pull out the scale, observe and record the position relationship between the level and the scale. During observation, the head of the ruler should be washed down or flat.

(6)  add 0.5 liters of oil according to step 3 and repeat step 5. There is no midline requirement on the ruler. This step is for reference only.

(7)  repeat step 5 according to step 3 on the basis of step 4 and add 1L oil. The relationship between the level and the level of the liquid was observed and recorded.

according to the results of steps 5, 6 and 7, check whether the calibration scale and the minimum scale scale are correct

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