1. Gradually adjust the cylinder piston’s position by advancing or retreating it in small increments each time. Repeat the operation until the cylinder piston reaches the desired position.
2. In case the piston moves too far forward due to carelessness, causing the concrete piston to enter deep into the concrete cylinder, insert a piece of square wood through the S-tube cavity into the concrete cylinder. Then use a jack to push the piston into the water tank.
3. Before spraying concrete, pre-lubricate the pipeline with water and diluted mortar. Only start spraying concrete once the spray head has evenly distributed the mortar.
4. Strictly control the concrete mix ratio and ensure proper distribution during transportation. Equip transport vehicles with their own mixing functions to maintain consistent quality.
5. Ensure an adequate supply of high-quality hydraulic oil. Proper maintenance is key to preventing equipment issues.
Some practical tips to avoid pipe blockages:
Operators must remain focused. Always check the concrete quality at the mixer truck discharge port before pumping. Never pump substandard concrete.
Monitor pressure readings closely. If the pressure gauge spikes suddenly, immediately reverse pump for 2-3 strokes. If this doesn’t clear the blockage, remove and clean the pipe promptly.
Proper pumping speed is crucial. Start with a slower pace during initial pumping to overcome pipeline resistance. Increase speed only after the flow stabilizes. Pump slowly again if there are signs of blockage or low slump.
Always monitor the material level in the hopper. Keep the material level above the stirring shaft but not too high to avoid suctioning air or clogging.
If concrete starts to settle quickly, release it from the hopper instead of forcing it through. Avoid adding water to the hopper.
During breaks, regularly turn on the pump for short intervals to keep the line clear. Avoid pumping set concrete.
After each pumping session, thoroughly clean the pipelines. Ignoring this step risks future blockages.
When blockages occur, try reversing the pump 1-2 times. If this fails, locate the blockage by listening for vibrations or tapping the pipes. Disassemble and clean the affected sections immediately.
Remember, prevention is better than cure. Regularly inspect and maintain equipment. Ensure consistent concrete quality and follow best practices to minimize the risk of blockages.
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