1. Fill the lifter of the engineering rig with lubricating grease before each work. When filling the lifter, be sure to open the grease nipple at the other end, which will help to squeeze out the previously injected butter. The oil seal in the lifter is squeezed out. Dirty water containing silt is easy to enter, which will wear the bearings and reduce the sensitivity of the rig lifter.
2. Check whether the oil quantity of each oil tank is sufficient and whether the oil quality is normal, check whether the oil quantity of each reducer gear is sufficient and whether the oil quality is normal; check whether there is an oil leakage failure;
3. Check whether the main and auxiliary steel wire ropes have broken wires and whether their connections are intact and safe.
4. Check if the lifter rotates flexibly and if the internal grease is contaminated.
5. Check the steel structure for cracks, corrosion, desoldering and other damages.
Once we find a fault during use, we must deal with it in time to eliminate all hidden safety hazards and ensure that the engineering drilling rig is always in the best working condition.
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