21” 80 V Lithium-Ion Cordless Mower GLM801601 2500402 Owner’s Manual TOLL-FREE HELPLINE: 1 (855) 345-3934 www.greenworkstools.com/80V-PRO Read all safety rules and instructions carefully before operating this tool.
CONTENTS Contents............................................................................................................................... 2 Product specifications........................................................................................................... 2 Safety information.............................................................................................................. 3-7 Symbols.............................................................................................
SAFETY INFORMATION GENERAL SAFETY RULES READ ALL INSTRUCTIONS CAREFULLY WA R N I N G This symbol indicates important safety instructions. If these instructions are not followed, it could endanger the personal safety and/or property of the operator and others. Read and understand all instructions in this manual before attempting to operate the mower. Failure to comply with these instructions may result in personal injury.
SAFETY INFORMATION • Carefully read all instructions on the mower and in the manual before attempting to assemble and operate the mower. Keep this manual in a safe place for future reference, and consult it regularly. • Become familiar with all controls and their proper operation. Know how to stop the mower and how to disengage the power in an emergency.
SAFETY INFORMATION • Stop the blade when crossing gravel driveways, walkways, or roads. • If the mower starts to vibrate excessively, stop the motor and check for the cause immediately. Vibration is generally a warning of trouble. • Stop the motor and wait until the blade comes to a complete stop before removing the grass catcher or unclogging the chute. The cutting blade will continue to rotate for a few seconds after the motor is shut off.
SAFETY INFORMATION BATTERY SAFETY RULES • Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in operating condition. Be aware of possible hazards when not using your battery tool or when changing accessories. Following this rule will reduce the risk of electric shock, fire, or serious personal injury. • Do not place battery tools or their batteries near fire or heat. This will reduce the risk of explosion and possibly injury.
SAFETY INFORMATION For battery pack storage longer than 30 days: • Store the battery pack where the temperature is below 80°F and away from moisture. • Store battery packs in a 30%-50% charged condition. • Every two months of storage, charge the pack as normal. CHARGER SAFETY RULES • Charge the mower battery in a dry area that is protected from the weather. Do not expose the mower or the charger to rain. Do not charge the battery in a wet location.
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.
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.
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. • Do not discard the packing material until you have carefully inspected and satisfactorily operated the product. • If any parts are damaged or missing, please call 1 (855) 345-3934 for assistance.
ASSEMBLY INSTRUCTIONS UNFOLDING AND ADJUSTING lower HANDLE (See Figure 2) WA R N I N G Folding or unfolding the handle improperly can damage the cables, causing an unsafe operating condition. • Do not damage the cables when folding or unfolding the handle. • If a cable is damaged, contact an Authorized Service Dealer. • Pull and rotate the handle knobs (1) 90° on both sides to loosen the lower handles (2) on both sides. • Move the lower handles to the operating position.
ASSEMBLY INSTRUCTIONS INSTALLING THE upper HANDLE (See Figure 3) • Align the mounting holes on the upper handle (1) and the lower handle (2). Insert the carriage bolts (3) and use the knobs (4) to tighten them. Repeat the operation on the other side. (2) Lower handle (1) Upper handle (3) Bolt (4) Knob Fig.
ASSEMBLY INSTRUCTIONS INSTALLING THE GRASS CATCHER BAG (See Figure 4) • Lift the rear discharge door (1). • Lift the grass catcher by its handle (2) and place under the rear discharge door so that the hooks (3) on the grass catcher are seated on the door rod (4). • Release the rear discharge door. When installed correctly, the hooks on the grass catcher will extend through the openings on the rear discharge door.
ASSEMBLY INSTRUCTIONS INSTALLING/REMOVING THE MULCHING PLUG (See Figure 5) • To remove the mulching plug, lift the rear discharge door (1). • Grasp the handle (2) of the mulching plug and pull the mulching plug out using the handle. • The mulching plug (3) is inserted at an angle, so it requires some force to remove it. • The mulching plug must be removed in order to install the grass catcher bag. • The mulching plug must be re-installed when the grass catcher bag is removed.
ASSEMBLY INSTRUCTIONS INSTALLING SIDE DISCHARGE chute (See Figure 6) • Lift the side discharge cover (1). • Align the grooves (2) on the discharge chute (3) with the pins (4) on the underside of the discharge cover (1). • Lower the discharge chute until the hooks on the mower deck are secured in the openings in the discharge chute. • Release the side discharge cover. (4) Pins (1) Side discharge cover (2) Groove (3) Discharge chute Fig.
ASSEMBLY INSTRUCTIONS TO INSTALL BATTERY PACK (See Figure 7) • Lift and hold up the battery door (1). • Align the battery (2) with the mower’s battery port. • Make sure the battery release button (3) snaps in place and that battery is fully seated and secure in the mower before beginning operation. • If the machine is not going to be used immediately, remove the battery. • Close the door. (3) Battery release button (2) Battery pack (1) Battery door Fig.
OPERATING YOUR LAWN MOWER STARTING/STOPPING THE MOWER (See Figure 8) To start the motor: • Open the battery door. • Insert the battery. • Press and hold the safety lock-out button (1). • Pull the bail lever (2) upward to the handle to start the mower and release the button. To stop the motor: • Release the bail lever. (2) Bail lever (1) Safety lock-out button Fig. 8 C A U T I O N Do not attempt to override the operation of the safety lock-out button or bail lever.
OPERATING YOUR LAWN MOWER CUTTING HEIGHT ADJUSTMENT (See Figure 9) 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" to 2" (3.8 to 5 cm) during cool months and between 2" and 3 1/2" (5 cm to 8.3 cm) during hot months.
OPERATING YOUR LAWN MOWER SLOPE GAUGE (See Figure 10) WA R N I N G Slopes are a major factor related to accidents involving slips and falls, which can result in severe injury. Operating the mower on a slope requires extra caution. If you feel uneasy on a slope, do not mow it. For your safety, use the slope gauge that is included as part of this manual to measure slopes before operating this unit on a sloped or hilly area. • Mow across the face of a slope, and never up and down.
OPERATING YOUR LAWN MOWER MOWING TIPS 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. • Verify that the lawn is free of stones, sticks, wires, and other objects that could damage the blades or the motor.
OPERATING YOUR LAWN MOWER EMPTYING THE GRASS CATCHER BAG (See Figure 11) • Stop mower, allow blades to completely stop, and remove the battery. • Lift the rear discharge cover. • Lift the grass catcher bag by its handle to remove from mower. • Empty grass clippings. • Lift the rear discharge cover and reinstall the grass catcher bag as described earlier in this manual. Fig.
MAINTENANCE REPLACING THE CUTTING BLADE (See Figure 12-13) WA R N I N G 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. ALWAYS remove the battery when servicing or transporting the mower. Use only a GREENWORKS replacement blade (Item#: 2903402). • REMOVE BATTERY.
MAINTENANCE CLEANING THE MOWER WA R N I N G In order to reduce the risk of electric shock, do not expose the mower to water. The underside of the mower deck should be cleaned after each use, because grass clippings, leaves, dirt, and other debris will accumulate, which will cause rust and corrosion. Remove any build-up of grass and leaves on or around the motor cover (do not use water). Occasionally wipe the mower clean with a dry cloth.
MAINTENANCE STORING THE MOWER The following steps should be taken in order to prepare the lawn mower for storage. • Clean the mower as described in the previous section. • Inspect the blade, and replace it or sharpen it, if required (refer to the Maintenance section). • Store the mower in a dry, clean location. Do not store it next to corrosive materials, such as fertilizer or rock salt. • Store the mower indoors, in a cool, dry place, out of the reach of children.
SERVICE STORING THE MOWER on vertical function • When servicing the mower, use only identical replacement parts that are available from the manufacturer. In order to obtain replacement parts, call the toll-free helpline, at 1 (855) 3453934. 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.
ENVIRONMENTALLY SAFE BATTERY DISPOSAL The batteries used in this mower's battery pack contain the following toxic and corrosive material: LITHIUM-ION. WA R N I N G Toxic materials must be disposed of in a specified manner in order to prevent contamination of the environment. Before disposing of damaged or worn out Lithium-Ion battery packs, contact your local waste disposal agency for information and specific instructions.
troubleshooting PROBLEM The mower does not start. POSSIBLE CAUSE SOLUTION The battery is not charged. Charge the battery. The switch is defective. Replace the switch (call the tollfree helpline, at 1 (855) 345-3934. Grass jammed between the deck and blade. Remove battery; check under deck for jams. The battery is not fully inserted Check the connection between the battery in the mower. and the mower. Make sure the battery clicks into place. Battery may require service or replacement.
WARRANTY LIMITED FOUR (4) YEAR CONSUMER WARRANTY ; ONE (1) YEAR COMMERCIAL WARRANTY. GREENWORKS™ hereby warranties this product, to the original purchaser with proof of purchase, 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.
EXPLODED VIEW 30
parts list Item No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Part No.
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TOLL-FREE HELPLINE: 1 (855) 345-3934 Rev: 01 (01-09-15) Printed in China on 100% Recycled Paper
