Excavator walking deviation can be regarded as one of the common faults of the machine, and it is also a 'heart trouble' that plagues the owners all the year round. In view of the fact that there are more and more walking deviation owners before and after the recent resumption of work, so the common reasons for walking deviation And the summary of the solution to share with you.
Failure details: The hydraulic pump and engine of Caterpillar cat336 machine have just been repaired, the work arm is slow to close the middle arm, the walking is still off, the engine is still very black
Caterpillar cat336 excavator engine smoky running deviation analysis:
1. The air intake filter should be changed frequently. The water tank and oil radiator should be cleaned frequently or blow dust with high-pressure air.
2. The fan should be normal, and the tightness of the belt should be checked frequently. The oil should be changed frequently, and the filter element.
3. The variable mechanism of the hydraulic system should be normal, otherwise the engine will work at full load for a long time, and the service life must be shortened.
4. The accessories should be genuine. Pay close attention to the water temperature and oil condition when using.
"Caterpillar cat336 excavator engine black smoke running deviation" fault inspection and maintenance:
1. The excavator is running and deflecting, first adjust the high-pressure tubing to see if the deviation is changed? Then check the center rotary joint, the center rotary joint seal and the running pressure on one side are lower than the specified pressure?
2.The shovel engine has big black smoke.Check and replace the filter element.If it still doesn't work, it should be the stroke of the action.The black smoke is large.The engine slows down.No matter you slow down the action or the same, you can adjust the return pressure of the diesel pump. To control the high point, the specific operation is on the diesel pump, a 36 screw is opened, and there is a small screw inside to tighten it once, you can solve the problem. In addition, if the pump controls the pressure, the action speed appears The deviation can be adjusted on the pump. The specific position is the large side door, facing the hydraulic pump, and the pump on the left hand side can be adjusted.
