Ryobi AC04145 Operation Manual - Page 1
Ryobi AC04145 Manual
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LAWN MOWER BLADE AC04020/AC04021/AC04145 For use with RYOBI® 40 Volt 20 in. Lawn Mower ONLY NOTE: For purposes of the illustrations in this manual, only standard replacement blades are shown. However, bagging blades would install in the same way. Fig. 1 A WARNING! To reduce the risk of injury, user must read and understand the operator's manual for their lawn mower and this instruction sheet. Always wear eye protection with side shields marked to comply with ANSI Z87.1. Ensure compatibility and fit before using this accessory. Do not use this accessory if a part is damaged or missing. If you are not comfortable performing any of the functions described in these instructions, take your unit to a qualified service center. WARNING: Always protect hands by wearing heavy gloves and/or wrapping the cutting edges of the blade with rags and other material when performing blade maintenance. Contact with the blade could result in serious personal injury. REPLACING THE CUTTING BLADE See Figures 1 - 2. Stop the motor and remove the fuse key. Allow blade to come to a complete stop. Remove the battery pack. Turn the mower on its side. Wedge a block of wood between the blade and mower deck to prevent the blade from turning. Loosen the blade nut by turning it counterclockwise (as viewed from bottom of mower) using a 15 mm wrench or socket (not provided). Remove the blade nut, spacer, blade insulator, and blade. Make certain the blade carrier is pushed completely against the motor shaft. Place the new blade on the shaft against the blade carrier. Ensure blade is properly seated with shaft going through center blade hole and the two blade posts inserted into their respective holes on the blade. Make sure it is installed with the curved ends pointing up toward the mower deck and not down toward the ground. When seated properly, the blade should be flat against the blade carrier. Replace the blade insulator and spacer, then thread the blade nut on the shaft and finger tighten. NOTE: Make certain all parts are replaced in the exact order in which they were removed. Torque the blade nut down clockwise using a torque wrench (not provided) to ensure the bolt is properly tightened. The recommended torque for the blade nut is 350-400 in. lbs. TECHTRONIC INDUSTRIES POWER EQUIPMENT 1428 Pearman Dairy Road Anderson, SC 29625, USA 1-800-860-4050 www.ryobitools.com C B A - Blade (lame, hoja) B - Wrench (clé, llave) C - Block of wood (pièce de bois, bloque de madera) Fig. 2 B G G A B G G C D E F A - Blade carrier (support de la lame, soporte de la hoja) B - Shaft (arbre, eje) C - Blade (lame, hoja) D - Blade insulator (isolant de lame, aislante de hoja) E - Spacer (entretoise, separador) F - Blade nut (écrou de lame, tuerca de la hoja) G - Blade posts (tiges pour lame, montantes de cuchilla) 991000488 4-30-18 (REV:04)