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How to properly sharpen blades?

Discussion in 'Mechanic and Repair' started by woodall1, Aug 3, 2004.

  1. woodall1

    woodall1 LawnSite Member
    from Eden NC
    Messages: 48

    Could someone please tell me the PROPER way to sharpen my mower blades. I just purchased a Toro 500 20/52 and I want everything done properly. I also have a Gravely PRO 50 and we have always just used a grinder. I really dont think my careless method is proper.
  2. fixer67

    fixer67 LawnSite Silver Member
    Messages: 2,098

    First you must take the blades off. Now you may say"NO SH**!" but you would not beleive the people who have tried to sharpen the blades with out taking them off. You can use any grinder , angle or bench to sharpen the blades. Balancing the blades is where most people have problems. Some people do and some do not. To balance a blade is easy. You can buy a little thing that looks like a cone that tells you or you can do as a lot of people have done for years. Just take a screwdriver and put it though the mounting hole and hold it out level. The heavy end will point down. Just grind a little off that end until both ends stay level when you hold it out.

    blade balancer.jpg
  3. renda454

    renda454 LawnSite Member
    Messages: 18

    You also need a little bucket of water to dip the blade in while you are grinding to keep the temper in the blade
  4. DEA

    DEA LawnSite Member
    Messages: 55

    should the blade have a sharp knife edge or a very slight flat edge?

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