汽车维修常用的专用工具有火花塞套筒、活塞环装卸钳、气门弹簧装卸钳、黄油枪、千斤项等。大家对这些工具应该不是很陌生都听说过，但是大家知道它的具体用法和作用是什么呢？那接下来就给大家来具体的介绍一下吧，相信大家都有进一步的学习了。
The special tools commonly used in automobile maintenance include spark plug sleeve, piston ring handling pliers, valve spring handling pliers, grease gun, Jack, etc. We should not be very unfamiliar with these tools. We have heard of them, but do you know what their specific usage and function are? Then, I'll give you a specific introduction. I believe you all have further study.
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1.活塞环装卸钳。活塞环装卸钳用于装卸发动机活塞环，避免活塞环受力不均匀而拆断。使用时，将活塞环装卸钳卡住活塞环开口，轻握手柄，慢慢收缩，活塞环就慢慢张开，将活塞环装入或拆出活塞环槽。
1. Piston ring handling tongs. The piston ring handling pliers are used to load and unload the engine piston ring, so as to avoid breaking the piston ring due to uneven force. When in use, the piston ring loading and unloading pliers are stuck in the opening of the piston ring, gently grasp the handle and slowly shrink, then the piston ring will slowly open, and the piston ring will be installed or removed from the piston ring groove.
2.火花塞套筒。火花塞套筒用于拆装发动机火花塞。套筒内六角对边尺寸为22~26毫米用，用于折装14毫米和18毫米的火花塞;套筒内六角对边为17毫米的，用于折装10毫米的火花塞。
2. Spark plug sleeve. The spark plug sleeve is used to disassemble and assemble the engine spark plug. The socket with an opposite side size of 22-26 mm is used for folding 14 mm and 18 mm spark plugs, and 17 mm opposite side of the socket is used for folding 10 mm spark plugs.
3.黄油枪。黄油枪用于各润滑点加注润滑脂，由油嘴、压油阀、柱塞、进油孔、杆头、杠杆、弹簧、活塞杆等组成。汽车维修使用时，将润滑脂小团小团地装入贮油筒，排除空气。装潢后，拧紧端盖即可使用。对油嘴加注润滑脂时，应对正油嘴，不得歪斜。若不进油，应停止注油，检查油嘴是否堵塞。
3. Grease gun. The grease gun is used for filling grease at each lubricating point, which is composed of nozzle, pressure valve, plunger, oil inlet hole, rod head, lever, spring, piston rod, etc. When the automobile is used for maintenance, put the grease into the oil storage tank in small groups to remove the air. After decoration, tighten the end cover to use. When lubricating grease is applied to the oil nozzle, the oil nozzle shall be aligned without deflection. If not, stop the oil injection and check whether the oil nozzle is blocked.
4.气门弹簧装卸钳。气门弹簧卸钳用于装卸气门弹簧。使用时，将钳口收缩到更小位置，插入气门弹簧座下，然后旋转手柄。左手掌向前压牢，使钳口贴紧弹簧座，装卸好气门锁(销)片后，反方向旋转气门弹簧装卸手柄，取出装卸钳。
4. Valve spring handling pliers. Valve spring unloader is used to load and unload valve spring. When using, retract the jaw to the minimum position, insert it under the valve spring seat, and then rotate the handle. Press the left palm forward firmly to make the jaw close to the spring seat. After loading and unloading the valve lock (PIN), rotate the valve spring loading and unloading handle in the opposite direction, and take out the handling clamp.
5.千斤顶。千斤顶有螺旋千斤项、液压千斤顶和液压举升器。汽车常用液压千斤顶。千斤顶的举升力为3吨、5吨、8吨等。液压千斤顶用于举升汽车及其他重物。其结构由顶块、螺旋杆、贮油筒、油缸、摇动手柄、压油柱塞、柱塞筒、进出油阀、油阀、螺塞和壳体等组成。使用千斤顶前，用三角木垫好汽车;在松软路面上使用时，应在千斤顶底下加垫木;举升时，千斤顶应与重物垂直对正;千斤项未支牢前及回落时，禁止在车下工作。使用千斤顶时，先把开关拧紧，放好千斤顶，对正被顶部位，压动手柄，就将重物顶起。当落下千斤顶时，将开关慢慢旋开，重物就逐渐下降。
5. Jack. There are screw jack, hydraulic jack and hydraulic lifter. Hydraulic jack is commonly used in automobiles. The lifting force of the jack is 3 tons, 5 tons, 8 tons, etc. Hydraulic jack is used to lift cars and other heavy objects. The structure consists of an ejector block, a screw rod, an oil reservoir, an oil cylinder, a shaking handle, a pressure oil plunger, a plunger barrel, an oil inlet and outlet valve, an oil valve, a screw plug and a shell. Before using the jack, use triangle wood to pad the car; when using on soft road, add wood under the jack; when lifting, the jack should be vertically aligned with the heavy object; before the jack is firmly supported and falling back, it is forbidden to work under the vehicle. When using the jack, first tighten the switch, place the jack, align the jacketed part, press the handle to jack up the heavy object. When the jack is dropped, the switch is slowly turned on, and the weight is gradually lowered.
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上述内容就是给大家总结的关于汽车维修过程中会用到工具的相关内容，相信大家的都有进一步的学习和了解了，希望大家都能学以致用，如果大家还想了解更多资讯，请继续关注我们吧。
The above content is to summarize the relevant content of tools used in the process of vehicle maintenance. I believe you have further learning and understanding. I hope you can put your knowledge into practice. If you want to know more information, please continue to pay attention to us.
