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This way it is better to install the crushing pliers

Edit:Yantai Hawk Hydraulic Equipment Co., Ltd.UpDate:2022-06-16

1. After installing the pipeline of the crushing pliers, first close the pipeline stop valve on the 2 side of the forearm, then let the operator start the excavator, set the accelerator to the mid-range position, and step on the pedal in the cab. Your foot switch, Please note: Release the foot valve every one minute, and then step on the foot valve for another minute. After intermittently stepping on the foot valve for 3 to 5 minutes, turn off the flame. At this time, please use a wrench to slowly open the oil inlet cut-off of the forearm When opening the valve, please stand behind the shut-off valve to prevent high-pressure oil from hitting your body. After opening, a large amount of dirty oil will be ejected. Don't be nervous that the dirt in the pipeline is mixed with the hydraulic oil. After the hydraulic oil flows out, observe Whether the hydraulic oil is gradually clear, close the stop valve, and then open the oil return stop valve on the opposite side according to the above steps to drain the oil. Steps If the hydraulic oil still cannot be removed, you can hit the excavator again and repeat the above steps until the pipeline is cleared. hydraulic oil.

2. After the oil unloading step is completed, the pipeline of the crushing pliers is basically unobstructed. At present, it has only completed one step. The next step is to strengthen the cleaning effect of the pipeline to ensure that there are no impurities in the pipeline. Take out the hose, and then use this pipeline to connect to the forearm The oil inlet pipe and the return iron pipe on the 2 end. Connect in series, and open the stop valve on the 2 side. At this time, set the excavator on fire, adjust the accelerator to the mid-range position, step on the bottom valve with your foot, release it every 1 minute, and pause for 5 seconds bell, and then continue to step on it. The interval time of stepping on the foot valve is also 3 to 5 minutes, and then close the stop valve on the 2 side. At this time, there is no impurities in the pipeline. Drain the oil before, this time filter with the filter element of the excavator Remove impurities. It has been basically cleaned, and then install the 2-way bottom valve to work normally.

3. After completing the above 2 steps, you can connect the oil pipe of the crushing pliers to the excavator. Before starting work, you need to check whether the hydraulic pressure on the equipment pipeline is the standard pressure, and then lubricate the grease nipple of the lower cylinder block. Please Remember, after hammering for 2-3 hours, hit the grease gun once a day, 15 times each time.

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