The use of hydraulic oil for small rollers is a very important part of the whole machine, but there are still many friends who don’t know much about the use of hydraulic oil.
If your excavator often uses a crusher, the reason for the blackening of hydraulic oil is not only impurities, but also the irregularity of the grease.
1. Read the manual of the excavator in detail, the working principle, operating procedures, maintenance and use requirements of the excavator hydraulic system.