Artist: Under what circumstances does a small pump truck need to replace its hydraulic oil and system?

1. When the oil pump is damaged
2. Hydraulic oil needs to be replaced in time because of contamination, deterioration and blackening.
3. Hydraulic oil is emulsified due to water intake, and hydraulic oil is not available at this time.
4. When the arc at the piston rod of the cylinder is pulled out
5. Hydraulic oil deteriorates and reaches service life.
After confirming that the hydraulic oil of the small pump truck needs to be replaced, the team hydraulic oil is discharged and cleaned.
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