How to “warm up” your excavator ?
Special reminder, relative to the car of the age, the car with the breaker for a long time must change the hydraulic oil on time, many of the faults are caused by the hydraulic oil, of course, the hydraulic oil is thicker when the car is cold, so the pressure when the car is cold Basically, the flow rate can be guaranteed. Once the temperature of the hydraulic oil rises to about 60 degrees, the op