Remove one-way valve fom the grease nozzle, put the grease out, push the idler inward with the bucket to make the track chain looser and the better.

The purpose of the excavator going up to the roof is to demolish the building. There is nothing to be surprised. In some cases, directional blasting is not allowed for high-rise buildings, and manual demolition is time-consuming and laborious.

Inspection and elimination of oil leakage

The excavator uses diesel engine, and the runaway issue of diesel engine is often encountered. Diesel engine runaway refers to the failure that the speed of diesel engine is out of control and the speed is higher and higher.