本段视频演示车型：1992 沃尔沃 740 2.3 升 4 缸 旅行车
操作说明
学习如何使用 沃尔沃 850 备用轮胎套件更换扁胎。 在尝试修理瘪胎前，请确保你处于一个安全、水平且无交通的区域。 本视频将向您展示您的 850 车辆中备胎、千斤顶和千斤顶工具包的位置，如何组装备胎工具包的各个部件，如何用备胎更换扁胎，并介绍在使用千斤顶时应采取的安全注意事项。 大多数 沃尔沃 随车千斤顶工具包包含千斤顶、千斤顶摇柄和车轮螺母扳手。 视频还展示了如何将 1993 沃尔沃 850 放回其原始位置。
备胎应该朝哪个方向装？ 850 的备胎应始终安装时，气门嘴（用来充气的部分）朝外。 如果看不到阀芯，那么850的备胎是反装的。 此外，如果您的 850 配备了备胎（小型备胎），那么当您在安全区域时，应将其安装在其中一个后轮上。 备用轮胎的最大行驶速度是多少？ 如果您的 850 配备了备胎，最大行驶速度可能为 50 英里/小时。 一些卡车配备全尺寸备胎，其速度限制与其它轮胎相同。 在备胎上可以行驶多少英里？ 如果使用的是补胎备胎，不应在补胎备胎上行驶超过 50 英里。
按照您的850用户手册以及本视频中的说明操作，有助于降低受伤风险。 避免受伤的最佳方法是，车辆被举升时，绝不要在车下工作。 还请记住：即使车辆已正确顶起，也可能被其他车辆撞击而倾倒。因此，举升车辆前务必仔细检查周围环境。
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Learn how to change a flat tire using the Volvo 850 spare tire kit. Make sure you are in a safe area that is level and free of traffic before attempting to fix a flat tire. This video shows you where the spare tire, jack and jack kit is located in your 850 how to assemble the components of the spare tile tool kit, how to replace the flat tire with your spare tire and safety precautions to take when using your jack. Most Volvo jack kits include the jack, a jack handle and a lug nut wrench. The video also shows how to put the 1993 Volvo 850 back in its original location.
Which way does the spare tire go on? The 850 spare tire should always be mounted with the valve stem (the thing you put air into) pointing out. If you cannot see the valve stem, the spare tire on 850 is mounted backwards. In addition, if your 850 has a donut spare (a small spare tire), then you should mount it on one of the rear wheels when you are in a safe area to do so. What is the maximimum speed for a spare tire? If your 850 has a donut spare, the maximum speed is likely 50 miles per hour. Some trucks have full-size spare tires, which would have the same speed limits as the other tires. How many miles can be driven on a spare tire? If it is a donut spare tire, you should not drive more than 50 miles on a donut spare tire.
While following the instructions provided in your 850's owners manual and in this video will help minimize the risk of injury. The best way to avoid injury is to never get under your vehicle while it is jacked up. Remember also, that even if your car is jacked up properly, another car could hit it and knock it over; therefore, be sure to give careful consideration to your environment before raising your car.