The water outlet hole on the spray arm faces the target surface. The spray arm of some spray cleaning machines is loose and rotated during use, resulting in that the spray arm cannot face the instrument. Many spray arms have holes on both sides; These holes can be adjusted up or down.

完整喷枪:部分医院全部喷枪缺失，但机器仍在使用。如果喷淋臂缺失，清洗机无法正常运转，因为水压和水喷淋会大大削弱机械清洗效果。如果喷淋臂没有了，不要使用垫圈。

Complete spray gun: all spray guns are missing in some hospitals, but the machine is still in use. If the spray arm is missing, the cleaning machine cannot operate normally, because the water pressure and water spray will greatly weaken the mechanical cleaning effect. Do not use gaskets if the spray arm is missing.

喷淋臂旋转畅通:测试喷淋臂旋转平稳均匀。

Smooth rotation of spray arm: test that the spray arm rotates smoothly and evenly.

清洗机底部的排水屏上无杂物:清洗机底部的排水屏会保留仪表组的污染物。筛网少每天拆下清洗一次，或根据使用次数增加清洗次数。堵塞的筛网会阻碍水流和排水，从而影响清洗机的清洗效果。

There are no sundries on the drainage screen at the bottom of the cleaning machine: the drainage screen at the bottom of the cleaning machine will retain the pollutants of the instrument cluster. The screen shall be removed and cleaned at least once a day, or the cleaning times shall be increased according to the times of use. The blocked screen will hinder the water flow and drainage, thus affecting the cleaning effect of the cleaning machine.

仪表机架联轴器与歧管正确对准。确保洗衣机的水/洗涤剂进口与清洗架歧管正确对齐。如果没有对准，会影响水流、水的分布和水压，可能导致垫圈运转异常。水压不足会使喷淋臂无法正常工作，削弱机械清洗效果。

The instrument rack coupling is correctly aligned with the manifold. Ensure that the water / detergent inlet of the washing machine is correctly aligned with the cleaning rack manifold. If not aligned, it will affect the water flow, water distribution and water pressure, which may lead to abnormal operation of the gasket. Insufficient water pressure will make the spray arm unable to work normally and weaken the mechanical cleaning effect.

喷淋臂衬套完好无损:确保所有衬套、联轴器、垫圈等完好无损，无裂缝或损坏。

Spray arm bushing intact: ensure that all bushings, couplings, washers, etc. are intact without cracks or damage.

洗涤剂/化学品输送管道清晰、功能齐全:目视检查所有洗涤剂和其他化学品输送管道及连接端口，确保管道畅通、清洁、无堵塞、堵气、无扭结。还应检查管道上的磨损痕迹、损坏或泄漏。如果输送管道有缺陷，清洗液的浓度可能不正确，从而使清洗周期失效。

Detergent / chemical transmission pipeline is clear and fully functional: visually inspect all detergent and other chemical transmission pipelines and connection ports to ensure that the pipeline is unblocked, clean, free of blockage, air blockage and kink. The pipes shall also be inspected for wear marks, damage or leakage. If the delivery pipeline is defective, the concentration of the cleaning solution may be incorrect, resulting in the failure of the cleaning cycle.

检查所有化学品和清洗剂的浓度是否正确:确保清洗剂和其他化学品容器内的余量充足，并确保输配管道正确连接到相应的容器上。

Check whether the concentration of all chemicals and cleaning agents is correct: ensure that the margin in the container of cleaning agents and other chemicals is sufficient, and ensure that the transmission and distribution pipeline is correctly connected to the corresponding container.

观察清洗机的整体状况:机舱内表面应清洁，无污垢、水垢等污染物。这些都会影响清洗机的性能和清洗效果。污渍和水垢可能表明水质问题，化学物质浓度高等。确保所有适用的垫圈、密封圈和记录仪处于正常状态。

Observe the overall condition of the cleaning machine: the inner surface of the engine room shall be clean and free of dirt, scale and other pollutants. These will affect the performance and cleaning effect of the cleaning machine. Stains and scale may indicate water quality problems and high chemical concentrations. Ensure that all applicable gaskets, seals and recorders are in good condition.

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