Joke Collection Website - Mood Talk - What should be paid attention to in the maintenance of concrete pump truck
What should be paid attention to in the maintenance of concrete pump truck
Clean the whole vehicle before starting and after pumping every time, then check and keep the oil storage tank of the manual grease injection pump full of grease, pull the handle of the grease injection pump, and observe whether there is clean grease overflowing from the large and small shaft ends of the mixing bearing and the S-shaped pipe. In the process of work, the handle of the manual grease injection pump should be pulled every 1 hour 10 times. At the same time, keep the lubrication system clean, prevent impurities such as dust from entering and avoid contact with acid and alkali substances. Meanwhile, clean the system every 500 hours.
Second, the oil cup lubrication
There is a lubricating oil cup on each cylinder seat of the two rotary valves. Before pumping, the oil cup must be filled with grease and the cover must be tightened for lubrication. During the working process, the cover should be lubricated every 4 hours to keep the spherical friction surface in a good lubrication state.
Third, the concrete piston.
When the coating (0.2-0.25mm) of the conveying cylinder is not worn off, and concrete slurry or sand particles appear on the back of the concrete piston, that is, the water tank, it means that the piston has worn out, and the concrete seal, guide ring and dust ring need to be replaced immediately. Because the piston can be returned to the water tank of the pumping system by simple operation on the control panel, the piston should always be taken out of the inspection. In addition, after the piston retreats to the water tank, the concrete sealing ring and guide ring on the piston should be cleaned and lubricated with lithium-based grease, which can effectively prolong the service life of the piston.
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