The grease nozzle of Sany 60 big arm cannot get oil in, maybe the grease nozzle is blocked

The grease nozzle of Sany 60 big arm may not get oil in. It's the grease mouth that's blocked. Precautions for cleaning the grease nipple:

1. It is best to apply butter once a month. Otherwise, the shaft pin is completely rusted and cannot be moved at all. Basically, the operator does not grease the machine seriously.

2. Sand, gravel and other objects during construction entered the gap between the oil seal and the pin sleeve. The gap between them should generally be tightly wrapped with iron wire, plastic hose, car inner tube, etc.

3. Clean up the impurities, sand, gravel, and dust before installing the new parts.