Safety operation rules of grouting pump
First: Preparation before grouting: 1. Check whether the power supply of the grouting pump is normal. 2. Check the motor and gear oil pump, and rotate it several times. 3. Turn on the pressure gauge switch and release the pressure regulating handwheel of the overflow valve. 3. Check whether the steering direction of the motor and gear oil pump is correct. 6. Check whether the hydraulic reversing valve block can control the reciprocating movement of the cylinder. 4. Start the motor, adjust the system pressure to 1~2Mpa, test run for about 5 minutes (at this time the mixer slurry valve is fully opened), if it runs normally, close the valve on the mixer and adjust the oil pressure to the required level The maximum pressure, then stop the grouting pump and prepare for formal work. 5. Put the suction pipe into clean water for test machine use. Second: Formal grouting operation: 1. Open the grouting valve of the mixer and inject water for 1 minute. 2. If everything is normal, the two sucti