In order to ensure that your shears are performing at their best, you really should do two things everyday – clean them and adjust the tension,” says Andrew Carruthers, Education Director for Sam Villa. Watch as he explains how to properly set perfectly even shear tension: https://www.youtube.com/watch?v=5h18SnqDVZA.
Having the proper shear tension is essential for operating shears, and with today’s blade designs, a little more tension is better than too loose. Setting tension too low can cause hair to fold or push out of the shear, while setting it too high can shorten the life of the edge. Plus, extra pressure is needed to open and close the shear which contributes to repetitive stress injuries. Perfect tension prevents folding and pushing, so opening and closing shears is easier.
Make sure to clean and lubricate shears. With shears fairly loose, (one or two clicks of tension screw back) hold thumb grip and take the finger portion about 45° up to where blades connect. Then, drop the finger side, if it goes down it’s too loose and turn adjuster to the right one click to tighten. Repeat this exercise until the open finger section is dropped and doesn’t move. That’s perfect tension.
“The tension should be perfectly even from the pivot to tips, if you can’t achieve that with adjustments, it could be that you’ve been working with improper tension for too long and your shears need to be professionally serviced,” explains Carruthers. The Sam Villa brand recommends Precision Edge/1-800-729-3343 for servicing.
Sam Villa Shear Care Set: https://www.samvilla.com/pro/products/shears/shears-accessories/sam-villa-shear-care-kit.
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