Drilling machines are prone to various malfunctions during normal use, and we can solve some minor ones ourselves. Below, we will explain several types of malfunctions and troubleshooting methods.
1. The drilling rig oil pump needs to be repaired and replaced due to heating and wear. If the viscosity of the oil is too high or too low, it must be used strictly according to the instructions; Simultaneously inspect the transmission device of the drilling rig oil pump to improve assembly accuracy;
2. Heating of the drilling rig coupling and excessive wear of the elastic ring; The reason is that during the assembly of the drilling rig power machine and clutch, the coaxiality is poor, and it is necessary to improve the assembly coaxiality;
3. Hydraulic system oil temperature is too high, there is too little oil in the tank, or the oil pump is damaged. Refueling or repairing the oil pump is necessary; Reasonable selection of working pumps and recommended working pressure according to the manual;
4. The hydraulic system pressure of the drilling rig is insufficient, and the pressure regulating valve fatigue needs to be adjusted by adjusting the limit nut or replacing the spring; If the pressure regulating valve seat cone is damaged or stuck, the pressure regulating valve sleeve should be removed for simple maintenance;
5. The main reason for the slipping of the hoist brake on the drilling rig is that there is oil stains on the inner surface of the brake belt, which needs to be cleaned; If there is no oil stains inside the brake of the drilling rig, check the gap between the brake band and the brake wheel. If it is too loose, adjust it appropriately;
6. The slipping of the drilling rig clutch is mainly caused by excessive wear or rupture of the friction plate, or aging or fracture of the compression spring. The drilling rig friction plate should be inspected and repaired;
7. After starting the drilling rig oil pump, if there is no oil or insufficient oil, first check whether the oil in the oil tank is insufficient or free. If the oil level line fault is still not resolved, check whether the filter is blocked. In addition, check whether the oil tank vent is blocked or if the suction pipe joint is loose and enters the air.
The above are some faults and solutions related to drilling machines that have been compiled for everyone. If the driver experiences faults while driving the vehicle, they can refer to the above methods. If they cannot be solved after troubleshooting, please go to a reputable manufacturer for repair.
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