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21" Electric Lawn Mower 25112 Owner’s Manual TOLL-FREE HELPLINE: 1-888-90WORKS (888.909.6757) www.GreenWorksTools.com Read all safety rules and instructions carefully before operating this tool.
SAfETY infORMATiOn GENERaL OPERaTION WaRNING: when using electric lawn mowers, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and personal injury, including the following: REaD aLL INSTRUcTIONS caREFULLY • Carefully read all instructions on the mower and in the manual before attempting to assemble and operate the mower.
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SAfETY infORMATiOn the outlet properly, reverse the plug. If the plug still does not fit, contact a qualified electrician to install a proper outlet. Do not alter the lawn mower’s plug, the receptacle on the extension cord, or the plug on the extension cord in any way. •...
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SAfETY infORMATiOn checked for compliance with the original manufacturer’s recommendations or specifications. • Don’t Overreach – Keep proper footing and balance at all times. • Disconnect Lawn Mower – Disconnect the lawn mower from the power supply when not in use, before servicing, when changing accessories such as blades, and the like.
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SAfETY infORMATiOn SERVIcE • When servicing the mower, use only replacement parts that are listed in this manual. The use of parts that do not meet the original equipment specifications may lead to improper performance, and may compromise safety. • Before cleaning, repairing, or inspecting, verify that the blade and all moving parts have come to a complete stop.
SAfETY infORMATiOn W a R N I N G iT iS YOUR RESPOnSiBiLiTY! To restrict the use of this mower to people who have read and understand the warnings and instructions that appear in this manual and on the mower and who will follow them.Slope gauge •...
ELECTRiCAL W a R N I N G The double insulated system is intended to protect the user from shock resulting from a break in the tool’s internal insulation. Observe all normal safety precautions to avoid electrical shock. ELEcTRIcaL cONNEcTION This product has a precision-built electric motor.
ELECTRiCAL Keep the extension cord clear of the working area. Position the cord so that it will not get caught on lumber, tools, or other obstructions while you are working with a power tool. failure to do so can result in serious personal injury. Check extension cords before each use.
SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer. SYMbOL NaME DESIGNaTION/ExPLaNaTION Volts Voltage Amperes Current Hertz frequency (cycles per second)
SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMbOL SIGNaL MEaNING DaNGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WaRNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.
KnOW YOUR LAWn MOWER Read this operator's manual and safety rules before operating your lawn mower. Compare the illustration in figure 1 to your lawn mower in order to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. bail switch Start button Mulching...
ASSEMBLY inSTRUCTiOnS UNPacKING • Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included. • inspect the product carefully to make sure no breakage or damage occurred during shipping. •...
ASSEMBLY inSTRUCTiOnS UNFOLDING aND aDJUSTING HaNDLE (See Figure 2) • Pull up and back on the upper handle to raise the handle into operating position. Make certain the handles snap into place securely. • Tighten the upper handle with the cam locks on both sides. •...
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ASSEMBLY inSTRUCTiOnS INSTaLLING THE GRaSS caTcHER baG (See Figure 3) • Lift the rear discharge cover (1). • While holding the rear cover up, place the hanger hooks (2) of the grass catcher bag into the opening on the rear cover in order to allow the hanger hooks to attach to the rod (3) that secures the rear cover.
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ASSEMBLY inSTRUCTiOnS INSTaLLING THE MULcHING PLUG (See Figure 4) NOTE: When using the mulching plug, do not install either the side discharge chute or the grass catcher. • Lift the rear discharge cover (1). • Grasp the mulching plug by its handle (2) and tilt at an approximate 15 degree angle. •...
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ASSEMBLY inSTRUCTiOnS INSTaLLING SIDE DIScHaRGE cHUTE (See Figure 5) • Lift the side discharge cover (1). • Align the grooves on the deflector (2) with the pins on the underside of the cover. • Lower the deflector until the hooks on the mower deck are secured in the openings in the deflector.
OPERATinG YOUR LAWn MOWER STaRTING/STOPPING THE MOWER (See Figure 6) To start the motor: • Plug the mower into an approved outdoor extension cord. • Press and hold the start button (1). • Pull the bail switch (2) upward to the handle to start the mower and release the button. To stop the motor: •...
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OPERATinG YOUR LAWn MOWER cUTTING HEIGHT aDJUSTMENT (See Figure 7) When shipped, the wheels on the mower are set to a low-cutting position. Before using the mower for the first time, raise the cutting position to the height best suited for your lawn. The average lawn should be between 1 1/2"...
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OPERATinG YOUR LAWn MOWER USING THE cORD RETaINER (See Figure 8) This lawn mower is equipped with a cord retainer in order to prevent the extension cord from disconnecting from the power cord while the mower is in use. The cord retainer hangs from the cord guide bar.
OPERATinG YOUR LAWn MOWER MOWING THE LaWN NOTE: A sharp blade will greatly enhance the performance of the mower, especially when cutting high grass. Be sure to check the blade and to sharpen it at least once per year, as described in the Maintenance section. •...
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OPERATinG YOUR LAWn MOWER EMPTYING THE GRaSS caTcHER baG (See Figure 9) • Release the bail switch to turn the mower off and wait for the blade to come to a complete stop. Unplug the mower. • Lift the rear chute cover. •...
Always protect your hands by wearing heavy gloves and/or wrapping the cutting edges with rags or other materials when performing any maintenance on the blades. Use only a GREEnWORKS replacement blade. • Release the bail switch to turn the mower off and wait for the blade to come to a complete stop.
MAinTEnAnCE cLEaNING THE MOWER W a R N I N G To reduce the risk of electric shock, do not expose the mower to water. The underside of mower d eck should be cleaned after each use as grass clippings, leaves, d irt and other debris will accumulate causing rust and corrosion.
TROUBLESHOOTinG PRObLEM POSSIbLE caUSE SOLUTION Carriage bolts are not seated Adjust the height of the handle and The handle is not properly. makesure the carriage bolts are seated in position. properly. Cam handle is not tightened. Tighten cam handle. The extension cord is not Reconnect the cord, and use the cord connected to the mower plug.
(4) years against defects in materials, parts or workmanship. GREEnWORKS™, at its own discretion will repair or replace any and all parts found to be defective, through normal use, free of charge to the customer. This warranty is valid only for...
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