In this case, there is no vehicle communication between the control units, and the internal temperature mechanism for the battery is not connected.įor repairers, the first and most critical step is to check the OEM guidelines, provided a battery has been properly tested to ensure there is no damage.įor bodywork that requires painting, it’s important to remember the high temperatures achieved within a paint booth, especially during the curing of the paint. When a vehicle comes in for repair, most often the battery has been disconnected (or removed) and the low-voltage system (12-volt) is disconnected. Likewise, in hot weather, the vehicle’s AC compressor cools water via a component called the “chiller,” helping to keep the battery temperature lower. In colder weather, the vehicle’s heating system kicks in, heating water which, in turn, flows to warm the battery. In normal operations, EVs are wired to fluidly maintain temps. The “sweet spot” temperature for an EV battery is approximately 70 to 75 degrees Fahrenheit. Please note: This information does not replace OEM repair procedures, which are customized for nearly every single make and model of vehicle. Let’s outline some key considerations for the proper/safe handling, storage and disposal/recycling of batteries. As the volume of EVs entering your bays will continue to increase, so too will the repair considerations you’ll need to make - most notably, the EV battery. The consensus is that EVs are here … and here to stay. As we embark on a new year, it’s a great time to assess your EV knowledge and confidence, particularly surrounding the handling, storage and disposal of EV batteries. Always turn the charger “Off” before removing charger leads from the battery to avoid dangerous sparks.Throughout the past several months, I’ve developed a series of articles with my team on some of the hottest topics related to repair considerations for electric vehicles (EVs). Never allow the charger clamps to touch together or contact the same piece of metal to prevent arcing when the charger is plugged in. Make sure that the charger leads to the battery are not broken, frayed or loose. Never charge a frozen or visibly damaged battery. Never attempt to charge a battery without first consulting the vehicle and battery owner’s manuals for instructions and safety precautions. Be extra cautious to reduce the risk of dropping metallic tools or conductors onto a battery as this could cause a spark or short circuit the battery or other electrical part, possibly causing an explosion. Never smoke or allow flames, sparks and other ignition sources in the vicinity of a battery, as they could cause the battery to catch fire or even explode. Never lean over a battery when working on it. Make sure the work area is well-ventilated. Have someone within range to hear a call for help or close enough to come to provide aid when a technician is working with a lead-acid battery. If acid enters eyes, immediately flood eyes with running cold water for at least 10 minutes and get medical attention immediately. If battery acid contacts skin or clothing, wash immediately with soap and water. Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing, or eyes. Avoid touching eyes while working on a battery. Always wear approved safety glasses or goggles and/or a face shield, as well as the proper clothing to protect the hands and body. Such a battery can produce a short circuit current high enough to weld a ring or the like to metal, causing a severe burn. Before handling a battery, remove any jewelry and personal metal items such as rings, bracelets, necklaces and watches when working with a lead-acid battery. The information has been compiled from battery and automotive service equipment manufacturers. These precautions can help technicians stay safe when handling, working on and charging vehicle batteries.
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