Turn the trimmer head until it locks in place. WARNING! Step-by-step guide when changing to a grass blade. • Sharpen blades and cutters using a single-cut flat file. This continues to rotate even after the throttle has been released. It's easily sharpened with a 7/32" round file used for sharpening chainsaws. The Maxi seem much more solid and seems to be a better quality of steel. Similarly, brush cutter blades also need maintenance. Unscrew the trimmer head by turning it clockwise. This is the perfect tool for sharpening Husqvarna Steel Brush Cutter blares. It is important that all the cutting teeth are of equal length. The gauge is set and then rotated to each tooth to verify they are even. Use it to be sure that the blade has the same amount of material removed from each of the three cutting surfaces, and that the proper angle is maintained. Remove the trimmer head by placing the locking pin in the small head on the back of the gear head. Watch this short video on how to sharpen and maintain a grass blade. File can be changed out if you wear it out without having to replace the entire tool. e. Do not sharpen back side of blade. WARNING! No matter how sharp and top-notch the blades are at the beginning, over time with regular use, they will certainly grow dull. Once you have finished filing all the cutting teeth on one side, loosen the vice and then attach the guide bar from the other direction. A grass blade cuts thick grass easily for a faster and more efficient cut. That being said, sharpening the blade might seem intimidating but that’s easy. f. Both blades should weigh the same after sharpening with not more than 1 1/2 oz.difference. • Sharpen all edges equally to maintain the balance of the blade. Then sharpen the cutting … Every brush cutter owner should own one of these sharpeners and not sure why the manufacturers do not include one with their brush cutters. For mostly smaller-stuff, I might use a 20-tooth 10" carbide (got a few to use up, can't sharpen-no diamond wheel), or 11" or 12" Husqvarna steel blades. When the brush knife is sharpened, a guide, part number 4020 890 5500 is available. How To Sharpen Brush Cutter Blades Like any other bladed tool, brush cutters also require their share of periodic maintenance, which includes sharpening the blades. Page 25: Sharpening The Saw Blade • See the cutting attachment packaging for correct sharpening instructions. Sharpen blades and cutters using a single-cut flat file. Place the support cup onto the grass blade. Husqvarna brush cutter operator's manual (36 pages) Brush Cutter Husqvarna 143R-II Operator's Manual. d. Always grind cutting edge so end of blade remains square to cutting edge and not rounded. Each cutting tooth is to be filed so that it is sharp. A grass blade is used to cut thicker, denser grass when a grass trimmer fitted with a nylon cutting line won’t do. Place the grass blade on top of the drive disc. What kind of maintenance does a blade require? I followed his recommendation and found that it lasts much longer than the Husqvarna "Scarlet" blades I used to use. c. Do not grind blades to a razor edge. Sharpening, obviously! I have sharpened the included blade on the included blade on my brush cutter almost 20 times, giving it extended life and saving me a lot of money. Leave a blunt cutting edge approximately 1/16” thick. Page 10: Sharpening Grass Cutters And Grass Blades GENERAL SAFETY PRECAUTIONS Sharpening grass cutters and grass blades • See the cutting attachment packaging for correct sharpening instructions. Husqvarna brush cutter operator's manual (36 pages) ... Sharpening grass cutters and grass blades WARNING: Always stop the en- gine before doing any work on the cutting attachment. Most definitely, and you can get 9" chainsaw-cutter blades for $15 from Forester. Makes setting the blade angle easy (bender) as well as providing depth setting and file angle makings. Always discard a blade that is bent, twisted, cracked, broken or damaged in any other way. • Sharpen all edges equally to maintain the balance of the blade. If the blade is dull and you are using it that way, it will tear the grass instead of cutting them. Total no-brainer. Verified purchase: Yes | Condition: New