G40LM41

The G40LM41 is the pragmatic lawn mower for getting the job done effortlessly. With a cutting width of 41 cm it is wide enough to tackle an area up to 800m2 on one charge, and small enough to easily store or carry with the integrated top handle. It is versatile with a 2-in-1 function for mulching and rear collection. Thanks to its five different cutting heights even the most challenging garden is a pleasure to take care of. Greenworks – keeping it simple.

Specifications

Lawn mower: 2504707
Width of cut: 41 cm
Height of cut: 25 mm - 80 mm
No-load speed: 3500 RPM
Sound pressure level: LpA: 70.3 dB(A)
Sound power level: LwA : 90.3 dB(A), K=1.97 dB
Maximum vibration: ≤ 2.5 m/s²
Grassbox capacity: 50 L
Net weight: 40 lbs (18 kg)
Spare Blade: 2920207
Battery: Lithium-ion
Model number: 29717 / 29727
Battery charger:
Model number: 2910907 / 2904607 / 2904707

Description

1. Power lever
2. Start button
3. Motor control cable
4. Quick release fasteners
5. Lower handle
6. Battery door
7. Front wheel
8. Rear wheel
9. Height adjustment button
10. Quick release fasteners
11. Grassbox
12. Rear discharge door
13. Upper handle
14. Mulching plug
15. Knob
16. Grassbox handle
17. Slots
18. Door rod
19. Blade
20. Blade insulator
21. Spacer
22. Blade nut
23. Blade holder
24. Motor shaft
25. Battery (not included)
26. Wrench (not included)
27. Block of wood (not included)

WARNING
Use of any other battery packs may result in a risk of fire, electric shock, or injury to persons.

Know your lawn mower

See figure 1.

The safe use of the product requires an understanding of the information on the tool and in this operator’s manual as well as a knowledge of the project you are attempting. Before use of this product, familiarize yourself with all operating features and safety rules.

Grassbox
The grassbox collects grass clippings and prevents them from being discharged across your lawn as you mow.

Height adjustment button
The height adjustment button provides cutting height adjustments.

Motor control cable
The motor control cable, located on the upper handle of the mower, engages and disengages the motor and blade.

Mulching plug
Your mower is equipped with a mulching plug that covers the rear discharge opening, which allows the mower blade to cut and recut for finer clippings.

Assembly

Unpacking
This product requires assembly.
• Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included.

WARNING
Do not use this product if any parts on the packing list are already assembled to your product when you unpack it. Parts on this list are not assembled to the product by the manufacturer and require customer installation. Use of a product that may have been improperly assembled could result in serious personal injury.

• 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 your Greenworks tools service centre for assistance.

Packing list

• Lawn mower
• Battery key
• Grassbox
• Mulching plug
• Operator’s manual

WARNING
If any parts are damaged or missing do not operate this product until the parts are replaced. Using a product with damaged or missing parts could result in serious personal injury.

WARNING
Do not attempt to modify this product or create accessories not recommended for use with this product. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury.

WARNING
Do not insert isolator key until assembly is complete and you are ready to mow. Failure to comply could result in accidental starting and possible serious personal injury.

WARNING
To prevent accidental starting that could cause serious personal injury, always remove the battery pack from the product when assembling parts.

WARNING
Never operate the mower without the proper safety devices in place and working. Never operate the mower with damaged safety devices. Operation of this product with damaged or missing parts could result in serious personal injury.

Unfolding and adjusting lower 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 lower handle with the quick release fasteners on both sides.

NOTE: Ensure both sides are set at the same position for proper assembly.

Installing the upper handle

See figure 3.

• Align the mounting holes on the upper handle and the lower handle. Insert the quick release fasteners and use the knobs to tighten them. Repeat the operation on the other side.

Installing the grassbox

See figure 4.

• Lift the rear discharge door.
• Lift the grass catcher by its handle and place under the rear discharge door so that the hooks on the grass catcher are seated on the slots.
• Release the rear discharge door. When installed correctly, the hooks on the grass catcher will extend through the openings on the rear discharge door.

Installing the mulching plug

See figure 5.

• Lift and hold up the rear discharge door.
• Grasp the mulching plug by its handle and insert it at a slight angle, as shown.
• Push the mulching plug securely into place.
• Lower the rear discharge door.

Setting blade height

See figure 6.

When shipped, the wheels on the mower are set to a lowcutting position. Before using the mower for the first time, adjust the cutting position to the height best suited for your lawn. The average lawn should be between 38 mm and 51 mm during cool months and between 51 mm and 70 mm during hot months.

To adjust the blade height
• To raise the blade height, press the height adjustment button and lift the mower.
• To lower the blade height, press the height adjustment button and lower the mower.

Operation

WARNING
Do not allow familiarity with products to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury.

WARNING
Always wear eye protection. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.

WARNING
Do not use any attachments or accessories not recommended by the manufacturer of this product. The use of attachments or accessories not recommended can result in serious personal injury.

WARNING
Always inspect mower for missing or damaged parts and blade for damage, uneven, or excessive wear prior to use. Using a product with damaged or missing parts could result in serious personal injury.

• Do not tilt the lawn mower when starting the engine or switching on the motor, unless the lawn mower has to be tilted for starting. In this case, do not tilt it more than absolutely necessary and lift only the part which is away from the operator.
• Do not start the engine when standing in front of the discharge chute.
• Do not put hands or feet near or under rotating parts. Always keep clear of the discharge opening.

For complete charging instructions, refer to the operator’s manual for the battery packs and chargers listed in the specifications section.

To install battery pack

See figure 7.

• Lift and hold up the battery door.
• Align the battery with the mower’s battery port.
• Make sure the battery release button snaps in place and that battery is fully seated and secure in the mower before beginning operation.
• Insert the battery key.
• If the machine is not going to be used immediately, do not insert the battery key.
• Close the door.

To remove battery pack

See figure 7.

• Release the power lever to stop the product.
• Open the battery door.
• Remove the battery key.
• Press the battery release button on the mower. This will cause the battery to raise out of the tool slightly.
• Remove battery pack from the product.

Starting / stopping the mower

See figure 8.

• Open the battery door and insert the battery.
• Press and hold the start button.
• Pull the power lever upward to the handle to start the mower.
• To stop the mower, release the power lever.

NOTE: A high-pitched noise and sparking may occur as the electric motor decelerates. This is normal.

Mowing tips

• Make sure the lawn is clear of stones, sticks, wires, and other objects that could damage the lawn mower blades or motor. Do not mow over property stakes or other metal posts. Such objects could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator and others.
• For a healthy lawn, always cut off one-third or less of the total length of the grass.
• Do not cut wet grass, it will stick to the underside of the deck and prevent proper bagging or mulching of grass clippings.
• New or thick grass may require a narrower cut or a higher cutting height.
• Clean the underside of the mower deck after each use to remove grass clippings, leaves, dirt, and any other accumulated debris.
• When cutting long grass, reduce walking speed to allow for more effective cutting and a proper discharge of the clippings.

NOTE: Always stop mower, allow blades to completely stop, and remove the isolator key before cleaning underneath the mower.

Slope operation

WARNING
Slopes are a major factor related to slip and fall accidents that can result in severe injury. Operation on slopes requires extra caution. If you feel uneasy on a slope, do not mow it. For your safety, do not attempt to mow slopes greater than 15 degrees.

• Mow across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes.
• Watch for holes, ruts, rocks, hidden objects, or bumps which can cause you to slip or trip. Tall grass can hide obstacles. Remove all objects such as rocks, tree limbs, etc., which could be tripped over or thrown by the blade.
• Always be sure of your footing. A slip and fall can cause serious personal injury. If you feel you are losing your balance, release the power lever immediately.
• Do not mow near drop-offs, ditches, or embankments; you could lose your footing or balance.

Emptying the grassbox

See figure 9.

• Stop mower, allow blade to completely stop, and remove isolator key.
• Lift the rear door.
• Lift the grassbox by its handle to remove from mower.
• Empty grass clippings.
• Lift the rear door and reinstall the grassbox as described earlier in this manual.

Maintenance

WARNING
Before performing any maintenance, make sure the mower battery and isolator key are removed to avoid accidental starting and possible serious personal injury.

WARNING
When servicing, use only authorised replacement parts. Use of any other parts may create a hazard or cause product damage.

WARNING
Keep the motor and battery compartments free from grass, leaves or excessive grease. This will help reduce the risk of fire.

General maintenance
Before each use, inspect the entire product for damaged, missing, or loose parts such as screws, nuts, bolts, caps, etc.
Tighten securely all fasteners and caps and do not operate this product until all missing or damaged parts are replaced. Please call Greenworks tools customer service for assistance. Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc.

WARNING
Do not at any time let brake fluids, gasoline, petroleumbased products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken, or destroy plastic which may result in serious personal injury.

Periodically check all nuts and bolts for proper tightness to ensure safe operation of the mower.
Wipe the mower clean with a dry cloth occasionally. Do not use water.

Lubrication
All of the bearings in this product are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further bearing lubrication is required.

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.

WARNING
Do not lubricate any of the wheel components. Lubrication may cause the wheel components to fail during use, which could result in serious personal injury to the operator and/or mower or property damage.

Replacing the cutting blade

See figure 10-11.

NOTE: Only use authorised replacement blades. Replace worn or damaged blades and bolts in sets to preserve balance.

• Stop the motor and release the power lever. 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 bolt by turning it counterclockwise (as viewed from bottom of mower) using a 27 mm wrench or socket (not provided).
• Remove the blade bolt and blade.
• Place the new blade on the shaft. Ensure blade is properly seated with shaft going through center blade hole and the two blade posts on the fan 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 fan.
• Thread the blade bolt on the shaft and finger tighten.
• Torque the blade bolt down clockwise using a torque wrench (not provided) to ensure the bolt is properly tightened. The recommended torque for the blade bolt is 62.5~71.5 kgfcm (350-400 in.-lb.).

Environmental protection

• Environmental protection should be a priority of considerable importance when using the machine, for the benefit of both social coexistence and the environment in which we live. Try not to cause any disturbance to the surrounding area.
• Scrupulously comply with local regulations for the disposal of packaging, deteriorated parts or any elements with a strong environmental impact; this waste must not be disposed of as normal waste, it must be separated and taken to specified waste disposal centres where the material will be recycled.
• Scrupulously comply with local regulations for the disposal of waste materials after mowing.
• At the time of decommissioning, do not pollute the environment with the machine, but hand it over to a disposal centre, in accordance with the local laws in force.

Troubleshooting

Problem / Possible cause / Solution

Handle is not in position.
1. Carriage bolts are not seated properly.
● Adjust the height of the handle and make sure the carriage bolts are seated properly.

Mower is not starting.
1. Battery is low in charge.
● Charge the battery.

2. Battery is either inoperable or will not take a charge.
● Replace the battery.

Mower is cutting grass unevenly.
1. Lawn is rough or uneven or cutting height not set properly.
● Move the wheels to a higher position. All wheels must be placed in the same cutting height for the mower to cut evenly.

Mower is not mulching properly.
1. Wet grass clippings are sticking to the underside of the deck.
● Wait until the grass dries before mowing.

Mower is hard to push.
1. High grass, rear of mower housing and blade are dragging in heavy grass, or cutting height too low.
● Raise the cutting height.

Mower is not bagging properly.
1. Cutting height is set too low.
● Raise the cutting height.

Mower is vibrating at higher speed.
1. Blade is unbalanced, excessively or unevenly worn.
● Replace the blade.

2. Motor shaft is bent.
● Stop the motor, remove isolator key and battery, disconnect the power source, and inspect for damage. Have it repaired by an authorised service center before restarting.

Motor stops while cutting.
1. Cutting height is set too low.
● Raise the cutting height.

2. Battery has no power.
● Charge the battery.

If these solutions do not solve the problem contact your authorised service dealer.