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By NAPA
When it comes to working in the shop, personal safety should always be the top priority. Safety glasses, gloves, hearing protection, even work boots are all meant to keep your body protected. It should come as no surprise that with new hybrid and electric drivetrains, there are also new safety gear requirements. Insulated tools are just the start of a well-stocked shop. There’s more to electrical safety than just owning a set of
link hidden, please login to view. This expert advice is meant to give an overview of the kinds of general
link hidden, please login to view (PPE) needed to service hybrid and electric vehicles. It is important to follow proper repair procedures for these vehicles, as described in the vehicle specific repair manual. This includes using all required PPE listed in the repair procedure with no exceptions. If you do not have ALL of the necessary PPE, DO NOT proceed with a repair, as doing so could lead to severe injury or even death. Now that you have an idea of the serious nature of vehicle high-voltage electrical systems, let’s take a look at how you can protect yourself. Personal Protection
Wearing the right personal protection gear is a must when working with electric and hybrid vehicle high-voltage systems. The electrical energy stored in a typical main traction battery pack is more than enough to kill or seriously injure a person.
In the past, wearing gloves while working on a car was usually a personal preference. Today, when working on high-voltage electrical systems, wearing gloves is mandatory. And not just one pair of gloves, but two pairs (inner and outer) are to be worn together. Just in case you are wondering, welding gloves are NOT the same as high-voltage
link hidden, please login to view. Class 0 gloves are required for protection up to 1,000 volts AC and 1,500 volts DC. One pair of rubber gloves (inner) protects against electric shock, while the leather gloves (outer) protect the rubber gloves from mechanical wear. They must be worn together in order to perform correctly. Electrical gloves
link hidden, please login to view every six months to ensure they are still capable of insulating the user from the rated voltage. Gloves will be labeled with the test date near the cuff. The exact personal protection gear needed for a repair will be spelled out in the vehicle service repair manual procedures. This may include an insulated apron,
link hidden, please login to view, insulated arm sleeves, link hidden, please login to view, arc flash face shield with neck protection, and insulated mats or blankets. These layers of protection are necessary not just for avoiding shocks, but also potential explosions like an arc flash. Tool Safety
It may seem odd to consider hand tools as part of personal protection equipment, but that is exactly the case when working with electricity. Most ordinary hand tools are made from metal, which does an excellent job conducting electricity. For servicing high-voltage electrical systems tools need to be designed in such a way that they don’t provide a path for electricity to travel to the technician, or to other vehicle components. That’s why EV tools are specially designed to protect the technician when used properly.
An EV tool set is a must-have for any technician looking to service an electric vehicle. A good start for insulated hand tools is an insulated screwdriver set, an
link hidden, please login to view and an link hidden, please login to view. Electric vehicle tools used for diagnostics need to handle higher voltages, like this link hidden, please login to view. For repairs where the battery pack must be removed, special care must be taken due the extreme weight involved. A link hidden, please login to view is the proper way to lower and transport a hybrid or electric vehicle battery pack. You wouldn’t pull an engine out of a car without the proper lifting equipment, so give the same respect to a heavy traction battery pack. Work Space Safety
Normally, when a car is being worked on in a service bay, there is little danger to fellow technicians. But that isn’t the case with a modern electric or hybrid vehicle. Whenever the high-voltage electrical system on one of these vehicles is exposed, proper notification must be given to those working in the area. Place
link hidden, please login to view and link hidden, please login to view around the vehicle whenever the high voltage electrical system is being serviced. This warns other technicians that there is an electrical shock hazard in the shop, and to keep their distance. You may also place an electrical warning sign on the vehicle to signal to everyone in the shop to stay away. Part of your workspace safety gear must be an
link hidden, please login to view. If a technician suffers an electrical accident while working on a vehicle, anyone attempting to help them is also in danger of electric shock. An insulated safety hook must be used to separate the victim from the electrical source. The last tip for work space safety is to never work on an electric or hybrid vehicle alone. Always let another technician or coworker know you are working on a high-voltage electrical system, and to check in on you periodically. Training Is The Key To Safety
Working on hybrid and electric vehicle high voltage systems requires meticulous procedures and extensive training. While there are plenty of dangers when working on internal combustion vehicles, many of the safety procedures surrounding those vehicles have been known for decades. As EV and hybrid drivetrain become more mainstream, so will their service safety procedures.
Tackling hybrid and electric vehicle high-voltage system repairs isn’t impossible, but there must be dedication to proper training. If you are a technician (or are wanting to become a technician), and are looking for electric vehicle service training,
link hidden, please login to view can help. NAPA Auto Tech offers a wide variety of convenient, cost-effective ways to become an automotive professional. In addition to eLearning and instructor-led training, NAPA Auto Tech offers hands-on and seminar-style classes for almost every make and model to help technicians keep their skills up to date. Photos courtesy of Brian Medford.
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By NAPA
Christian Eckes tallied a resilient sixth-place finish on Friday night at Las Vegas Motor Speedway (LVMS) for his best finish through three races. The driver of the No. 19
link hidden, please login to view Chevrolet Silverado RST remains ninth in the NASCAR Craftsman Truck Series (NCTS) standings after his second top-10 result of the young season. Eckes has now posted top-10 finishes in six of his eight races at LVMS.
Eckes started the day in strong fashion by posting the second-quickest laps in practice and qualifying. He got the early holeshot off the initial green flag and led the first seven circuits. However, Eckes began wrestling with an extremely tight condition throughout the opening stage. The balance issues relegated him to run in 14th position at the end of Stage 1 on lap 30.
Crew chief Charles Denike brought Eckes to pit lane during the stage yellow to change four tires and address the handling woes. A track bar and wedge adjustment proved to be the right direction for Eckes in Stage 2, but the tight condition persisted. Eckes restarted 16th on lap 36 but immediately leaped into the top 10 by lap 38. Despite his efforts, Eckes once again ran 14th at the end of Stage 2 on lap 60.
Denike and the NAPA Auto Care team made an even bigger swing to improve the balance with chassis adjustments during the second stage caution. Significant wedge and a front suspension changes proved to be the proper tonic to wake up Eckes’ Chevrolet. He restarted 21st on lap 67 and marched back into the top-10 in less than 20 laps. A smoothly executed green-flag pit stop cycle vaulted Eckes from ninth to sixth with roughly 30 laps remaining. The improved balance allowed him to string together consistent laps over the final run to take the checkered flag in sixth for his second top-10 result of the season.
“We definitely made improvements throughout the night to our NAPA Auto Care Chevrolet,” Eckes said. “My guys kept making swings at it and we got the balance better, but we have some work to do to get the balance where we need it. It’s good to finish better than we ran all night, but we have some work to do.”
Start / Finish: 2 / 6
Points Standing / Total: 9th / 85 pts. (-22)
Next Race: Saturday, March 16, Bristol Motor Speedway
How to Watch or Listen: 8:00 p.m. ET on FS1, MRN or SiriusXM
NAPA:
link hidden, please login to viewChristian Eckes: link hidden, please login to view
Bill McAnally Racing / McAnally-Hilgemann Racing: link hidden, please login to view The post
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By Dorman Products
The best oil filter housing upgrade for Pentastar engines | Dorman’s patented OE FIX™ 926-959
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By Dorman Products
The best oil filter housing upgrade for Pentastar engines | Dorman’s patented OE FIX™ 926-959
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