The blade angle needs to match so the grass is lifted and blown away the correct direction. The new blade may be slightly longer if the old blade saw a lot of harsh use. With the new blade wrapped in your shop towel, place the blade on the shaft, followed by the retaining bracket, and reinstall and tighten the bolt. Although most mower blades This is a step by step instructional video on how to replace your grass trimmer head with a Weed Warrior EZ Lock Head. It's a simple upgrade you can make to I've used the blade attachment for the Echo SRM 225 many times over the past couple of years and thought I'd share with you the step-by-step instructions to surfaces only, because the cutter blade may contact hidden wiring. Cutter blades contacting a "live" wire may make exposed metal parts of the power tool "live" and could give the operator an electric shock. Maintenance instructions 1. The condition of the nylon cutting head, protective devices must be checked before commencing work. 2. Cut only about a third of the grass blade at a time. Do not cut below 51 mm (2 inches) unless the grass is sparse or it is late fall when grass growth begins to slow down. When cutting grass over 15 cm (6 inches) tall, mow at the highest cutting height setting and walk slower; then mow again at a lower setting for the best lawn appearance. Answer. The blade bolts are rh threads and the best way to remove them is by using an air ratchet or gun. If that is not an option, you need to lock the blade in place with a block of wood. When reinstalling the blades, tighten the blade bolt to 55 lbs. The outer weed cutting blade is easy to clean with soap and water. Saves Energy: You can easily save 50% of the time in trimming grasses on the pavement using this high-efficiency steel wire trimmer blade. Size: The total diameter is approximately 15cm and the diameter of the mounting hole is 2.54cm for the 6 inch wire trimmer blade. Incredibly easy-to-install, the Ninja Grass Blade 2.0 attaches to the lower unit of your trolling motor and comes with all of the necessary mounting utensils and easy-to-follow instructions that will have you fishing weedlessly in no time. Stop avoiding the grass and get to where the big fish live with the Ninja Grass Blade 2.0. mVNIA.