Many owners often encounter the problem of excavator holding up! If the excavator holds up, the whole vehicle may stall, which makes the owner who is rushing for the construction period anxious. The excavator car holding is mainly divided into hot car holding and cold car holding. Here are the reasons for hot car holding of the lower excavator.
1. It may be that after the temperature of the digging oil rises, the action of the hydraulic oil thinning becomes slower, which leads to the hot car holding up of the excavator First, check whether the hydraulic oil used by the following excavators is deteriorated? Check the following hydraulic oil filter elements (including oil return filter elements) and replace the hydraulic oil in time.
2. In addition to the hydraulic oil that may cause the hot car holding of the excavator, it may also be the internal leakage of hydraulic oil caused by the abrasion of the hydraulic pump of the excavator. It is necessary to check whether the hydraulic pump has serious abrasion.
3. The diesel pump failure of the excavator may also lead to the phenomenon of holding the excavator hot.
4. If the grade and quality of the hydraulic oil used by the excavator do not meet the requirements, it may also lead to the hot car hold up of the excavator. Therefore, the hydraulic oil matching the excavator model should be used, and different hydraulic oils should not be mixed.
5. The flow mismatch between the excavator hydraulic pump and the distribution valve will also lead to the hot car holding fault of the excavator. In general, it is not recommended that the owner or driver manually adjust the pressure and flow.
The problem of holding the excavator is not negligible. For the health of the excavator, correct and reasonable use and replacement of hydraulic oil is an important condition for giving play to the working performance and economic performance of the excavator and extending the service life of the hydraulic system and its components.
