济南气候多尘且夏季多雨，卷帘门轨道易堆积灰尘、泥沙及油污，若长期不清洁，可能导致门体卡顿、异响，甚影响使用寿命。针对轨道结构特点（凹槽窄深、易藏污），需采用针对性清洁方法，兼顾效果与操作。

　　Jinan has a dusty climate and rainy summers. The track of the rolling shutter door is prone to accumulate dust, sediment, and oil stains. If not cleaned for a long time, it may cause the door to jam, make abnormal noises, and even affect its service life. Based on the characteristics of the track structure (narrow and deep grooves, easy to store dirt), targeted cleaning methods should be adopted to balance effectiveness and operational safety.

　　清洁前的准备工作需到位。准备合适工具：细长毛刷（刷头宽度 5-8cm，刷毛硬度中等，避免过软无法顽固污渍）、吸尘器（带细长吸嘴，口径≤3cm，便于深入轨道凹槽）、抹布（选用不掉毛的微纤维布，避免纤维残留）、中性清洁剂（如洗洁精稀释液，浓度 5%-10%，避免使用强酸强碱，防止腐蚀轨道金属表面）、小铲子（塑料材质，边缘圆润，用于铲除凝固的泥块或胶状物）。若轨道油污较重，可备专用金属清洁剂（含柠檬烯成分，去污同时防锈）。清洁前需关闭卷帘门电源（切断控制箱电源，确保操作），将门体降半开状态（露出轨道中段，便于清洁），检查轨道是否有变形（如凹陷、凸起），若有需先简单修复（轻微变形可用橡胶锤轻敲复位），再进行清洁。

　　The preparation work before cleaning needs to be in place. Firstly, prepare suitable tools: a slender brush (with a brush head width of 5-8cm and moderate bristle hardness to avoid being too soft to remove stubborn stains), a vacuum cleaner (with a slender suction nozzle, diameter ≤ 3cm, easy to penetrate into the track groove), a cloth (using microfiber cloth that does not shed hair to avoid fiber residue), a neutral cleaner (such as detergent diluent, concentration of 5% -10%, avoiding the use of strong acids and alkalis to prevent corrosion of the track metal surface), and a small shovel (made of plastic material with rounded edges, used to remove solidified mud or gel like substances). If the oil pollution on the track is heavy, a specialized metal cleaner (containing limonene component, can be prepared to remove dirt and prevent rust) can be prepared. Before cleaning, it is necessary to turn off the power supply of the rolling shutter door (cut off the power supply of the control box to ensure safe operation), lower the door body to a semi open state (expose the middle section of the track for comprehensive cleaning), check whether the track is deformed (such as concave or convex), and if there is any deformation, it needs to be repaired briefly (slight deformation can be reset by tapping lightly with a rubber hammer) before cleaning.

　　基础清洁步骤需按顺序进行。先表面浮尘：用细长毛刷沿轨道长度方向反复清扫，清理轨道两端（易堆积灰尘的死角），将毛刷深入凹槽底部，顺时针与逆时针交替清扫，使灰尘松动。随后用吸尘器吸走清扫出的灰尘、碎屑（吸嘴贴近轨道底部，缓慢移动，确保无残留），若轨道内有较大杂物（如小石子、树叶），需先用手取出（戴手套防划伤），避免吸入吸尘器造成堵塞。对于附着的泥沙（济南雨季常见），可用微纤维布蘸清水（拧半干）擦拭，湿布可吸附细小泥沙，避免扬尘，擦拭时需沿轨道凹槽来回拖动，确保边角处都能擦到，若泥沙已干结，可先用湿布覆盖 5 分钟（软化后再擦），减少擦拭阻力。

　　The basic cleaning steps need to be carried out in sequence. First, remove surface floating dust: Use a fine long hair brush to repeatedly clean along the length of the track, focusing on cleaning the two ends of the track (dead corners where dust is prone to accumulate). Insert the brush deep into the bottom of the groove and alternate clockwise and counterclockwise cleaning to loosen the dust. Subsequently, use a vacuum cleaner to remove any dust and debris (with the suction nozzle close to the bottom of the track, moving slowly to ensure no residue). If there are large debris (such as small stones or leaves) inside the track, it should be removed by hand (wearing gloves to prevent scratches) to avoid clogging caused by inhaling the vacuum cleaner. For the attached sediment (common during the rainy season in Jinan), a microfiber cloth dipped in water (twisted to semi dry) can be used to wipe it. The wet cloth can absorb small sediment to avoid dust. When wiping, it needs to be dragged back and forth along the track groove to ensure that all corners can be wiped. If the sediment has dried up, it can be covered with a wet cloth for 5 minutes (softened before wiping) to reduce wiping resistance.

　　顽固污渍处理需耐心操作。轨道内的油污（多来自门体润滑脂或外界油污）可用蘸有中性清洁剂的抹布擦拭，擦拭时稍用力按压，使清洁剂充分接触油污，静置 2-3 分钟后再擦，重复 2-3 次可去除大部分油污。若油污凝固成块，可用塑料小铲子轻轻铲除（铲子与轨道呈 45° 角，避免用力过猛刮伤轨道表面），铲净后再用清洁剂擦拭。对于轨道与门体连接的滚轮轴附近，需用毛刷蘸清洁剂刷洗，轴上附着的油污（防止滚轮卡顿），刷洗后用干布擦干，避免水分残留导致锈蚀。若轨道内侧有锈迹（济南潮湿环境易出现），可在除锈后（用细砂纸轻磨锈迹），涂抹一层防锈油（如缝纫机油，用量适中，避免滴落污染地面）。

　　The treatment of stubborn stains requires patient operation. The oil stains inside the track (mostly from the lubricating grease of the door body or external oil stains) can be wiped with a cloth dipped in neutral cleaning agent. When wiping, press slightly to allow the cleaning agent to fully contact the oil stains. Let it stand for 2-3 minutes and then wipe again. Repeat 2-3 times to remove most of the oil stains. If the oil stains solidify into lumps, a plastic spatula can be used to gently remove them (the spatula should be at a 45 ° angle to the track to avoid scratching the surface with excessive force), and then wipe them clean with a cleaning agent. For the area near the roller shaft connected to the track and door body, a brush dipped in cleaning agent should be used to remove any oil stains attached to the shaft (to prevent the roller from jamming). After brushing, dry it with a dry cloth to avoid residual moisture causing rust. If there is rust on the inner side of the track (which is prone to occur in humid environments in Jinan), after rust removal (gently grinding the rust with fine sandpaper), apply a layer of rust proof oil (such as sewing machine oil, with an appropriate amount to avoid dripping and contaminating the ground).

　　清洁后的养护与检查不可忽视。用干抹布将轨道彻底擦干（尤其凹槽底部，防止积水导致生锈），若环境湿度较高（如雨后），可打开风扇对着轨道吹风 10-15 分钟，加速干燥。检查轨道内是否有清洁工具残留（如毛刷断毛、抹布纤维），可用吸尘器再次轻吸一遍。随后测试门体运行：接通电源，操作卷帘门上下运行 2-3 次，观察是否顺畅（无卡顿、异响），若仍有轻微卡顿，可在轨道内侧涂抹少量润滑脂（选用锂基润滑脂，涂抹厚度≤1mm，避免过多沾染灰尘）。定期清洁周期建议：济南春秋季多尘，每 2 周清洁 1 次；夏季多雨，每周 1 次；冬季可每月 1 次，根据使用频率调整（如商业场所卷帘门使用频繁，需缩短周期）。

　　The maintenance and inspection after cleaning cannot be ignored. Thoroughly dry the track with a dry cloth (especially at the bottom of the groove to prevent rust caused by water accumulation). If the environmental humidity is high (such as after rain), turn on the fan to blow air onto the track for 10-15 minutes to accelerate drying. Check if there are any cleaning tool residues inside the track (such as broken bristles or cloth fibers), and use a vacuum cleaner to gently suck again. Subsequently, test the operation of the door: turn on the power, operate the rolling shutter door up and down 2-3 times, and observe whether it runs smoothly (without any jamming or abnormal noise). If there is still a slight jamming, apply a small amount of lubricating grease on the inside of the track (using lithium based grease, with a thickness of ≤ 1mm, to avoid excessive dust contamination). Regular cleaning cycle recommendation: Jinan is dusty in spring and autumn, clean once every two weeks; Rainy in summer, once a week; In winter, it can be adjusted once a month according to the frequency of use (such as frequent use of rolling shutter doors in commercial places, the cycle needs to be shortened).

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