GreenWorks Commercial GMS 210 User manual

GMS 210
Read all safety rules and instructions carefully before operating this tool.
Owner’s Manual
TOLL-FREE HELPLINE: 1 [phone]
www.greenworkscommercial.com
21” 82 V Cordless Self-Propelled Mower

2
Contents .............................................................................................................................. 2
Product Specications ......................................................................................................... 2
Important Safety Instructions............................................................................................... 3
Symbols............................................................................................................................... 7
Know Your Lawn Mower....................................................................................................... 9
Assembly Instruction ......................................................................................................... 10
Operation Instruction ......................................................................................................... 18
Maintenance ...................................................................................................................... 24
Environmentally Safe Battery Disposal.............................................................................. 28
Troubleshooting ................................................................................................................. 29
Warranty ............................................................................................................................ 30
Exploded View................................................................................................................... 32
Parts List............................................................................................................................ 33
PRODUCT SPECIFICATIONS
21” 82 V CORDLESS SELF-PROPELLED MOWER
Battery type........................................................................................... 82 V Lithium-ion
No-load speed................................................................................................ 2800 RPM
Self propelled speed..................................................................... 1.6-4.8 fps (0.5-1.5 m/s)
Deck size.................................................................................................... 21” (53.3 cm)
Height adjustments................................................................ 1 3/8 - 3 3/4” (3.5 - 9.5 cm)
Functions......................................................... 3-in-1: Mulch, side discharge or rear bag
Unit weight (without battery) ............................................................................... 32.7 Kg
CONTENTS

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READ ALL INSTRUCTIONS
WARNING
This mower is capable of amputating hands and feet and throwing objects. Failure to
observe the following safety instructions could result in serious injury or death.
WARNING
When using electric lawn mowers, basic safety precautions should always be followed to
reduce the risk of re, electric shock, and personal injury, including the following:
1. GENERAL OPERATION
• When servicing use only identical replacement parts.
• Avoid Dangerous Environment – Don’t use lawn mowers in damp or wet locations
• Don’t Use In Rain
• Keep Children Away – All visitors should be kept a safe distance from work area.
• Dress properly. Do not wear loose clothing or jewelry that can get caught in moving parts.
The wearing of protective gloves and safety footwear is recommended.
• Use Safety Glasses – Always use face or dust mask if operation is dusty.
• Use Right Appliance – Do not use lawn mower for any job except that for which it is
intended.
• Don’t Force Lawn Mower – It will do the job better and safer at the rate for which it was
designed.
• Don’t Overreach – Keep proper footing and balance at all times
• Stay Alert – Do not operate the mower when you are tired. Pay attention to what you are
doing. Use common sense.
• Store Idle Lawn Mower Indoors – When not in use, lawn mower should be stored in an
indoor dry and locked-up place – out of reach of children.
• Maintain Lawn Mower With Care – Keep cutting edges sharp and clean for best and
safest performance.
• Follow instructions for lubricating and changing accessories.
• Inspect lawn mower cord periodically and if damaged, have it repaired by an
authorized service facility.
• Keep handles dry, clean, and free from oil and grease.
• Keep safety devices (guards, shields, switches etc.) in place and working.
• Keep blades sharp.
• Keep hands and feet away from cutting area.
• Objects struck by the lawn mower blade can cause severe injuries to persons. The
lawn should always be carefully examined and cleared of all objects prior to each mowing.
IMPORTANT SAFETY INSTRUCTIONS

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• If lawn mower strikes a foreign object, follow these steps:
i) Stop lawn mower. Release the switch.
ii) Remove battery.
iii) Inspect for damage.
iv) Repair any damage before restarting and operating the lawn mower.
• Use identical replacement blades only.
• Do not charge lawn mower in rain, or in wet locations.
• Remove or disconnect battery before servicing, cleaning, or removing material from
the lawn mower.
• Use only with Greenworks batteries: GL 300/GL 600
• Use only with Greenworks chargers: GC 420/GC 460
• Do not dispose of the battery in a re. The cell may explode. Check with local codes for
possible special disposal instructions.
• Do not open or mutilate the battery. Released electrolyte is corrosive and may cause
damage to the eyes or skin. It may be toxic if swallowed.
• Exercise care in handling batteries in order not to short the battery with conducting
materials such as rings, bracelets, and keys. The battery or conductor may overheat and
cause burns.
• Read, understand, and follow all instructions on the machine and in the manual(s) before
starting.
• Only allow responsible adults who are familiar with the instructions to operate this
machine.
• Clear the area of objects such as rocks, wire, toys, etc., which could be thrown by the
blade. Stay behind the handle when the engine (motor) is running.
• Be sure the area is clear of bystanders before operating. Stop machine if anyone enters
the area.
• Do not operate machine barefooted or while wearing sandals. Always wear substantial
footwear.
• Do not pull machine backward unless absolutely necessary. Always look down and
behind before and while moving backward
• Never direct discharged material toward anyone. Avoid discharging material against a wall
or obstruction. Material may ricochet back toward the operator. Stop the blade when crossing
gravel surfaces.
• Do not operate machine without the entire grass catcher, discharge guard, rear guard,
or other safety protective devices in place and working.
• Never leave a running machine unattended.
• Stop the motor and wait until the blade comes to a complete stop before removing the
grass catcher or unclogging the chute.
• Operate machine only in daylight or good articial light.
IMPORTANT SAFETY INSTRUCTIONS

5
• Do not operate machine while under the inuence of alcohol or drugs.
• Never operate mower in wet grass. Always be sure of your footing; walk, never run.
• Disengage the drive system, if so equipped, before starting the motor.
• If the machine should start to vibrate abnormally, stop the motor and check for the
cause immediately. Vibration is generally a warning of trouble.
• Always wear eye protection when operating machine.
• See manufacturer’s instructions for proper operation and installation of accessories.
Only use accessories approved by the manufacturer.
2. SLOPE OPERATION
• Slopes are a major factor related to slip and fall accidents, which can result in severe
injury. Operation on all slopes requires extra caution. If you feel uneasy on a slope, do not
mow it.
• Mow across the face of slopes; never up and down. Exercise extreme caution when
changing direction on slopes.
• Watch for holes, ruts, bumps, rocks, or other hidden objects. Uneven terrain could cause
a slip and fall accident. Tall grass can hide obstacles.
• Do not mow on wet grass or excessively steep slopes. Poor footing could cause a slip
and fall accident.
3. CHILDREN
Tragic accidents can occur if the operator is not alert to the presence of children.
Children are often attracted to the machine and the mowing activity. Never assume that
children will remain where you last saw them.
• Keep children out of the mowing area and under the watchful care of a responsible
adult.
• Stay alert, and turn the mower off if a child or any other person enters the mowing
area.
• Never allow children to operate the machine.
• Use extreme care when approaching blind corners, doorways, shrubs, trees, or other
objects that may obscure your view of a child who may run into the path of the mower.
4. SERVICE
• Keep all nuts, bolts, and screws tight in order to be sure that the equipment is in safe
working condition.
• Never remove or tamper with safety devices. Check their proper operation regularly.
Never do anything to interfere with the intended function of a safety device or to reduce the
protection provided by a safety device.
• Keep machine free of grass, leaves, or other debris build up. Allow machine to cool before
storing.
• After striking a foreign object, stop the motor. Thoroughly inspect the mower for any
damage. Repair any damage before operating the mower.
• Never make any adjustments or repairs with the motor running.
IMPORTANT SAFETY INSTRUCTIONS

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SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
WARNING (PROPOSITION 65)
Using this product will expose you to a chemical known to the State of California to cause cancer.
Using this product will expose you to a chemical known to the State of California to cause birth
defects or other reproductive harm.
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities
contains chemicals known to cause cancer, birth defects or other reproductive harm. Some
examples of these chemicals are:
Your risk of exposure to these chemicals varies depending on how often you do this type of
work. To reduce your exposure to these chemicals, work in a well-ventilated area, and work
with approved safety equipment, such as dust masks that are specially designed to lter out
microscopic particles.
• Lead from lead-based paints
• Crystalline silica from bricks and cement and other masonry products, and
• Arsenic and chromium from chemically treated lumber.
• Always remove battery pack from mowers before adjusting, cleaning, or repairing.
• Check grass catcher components and the discharge guard frequently and replace with
manufacturer’s recommended parts, when necessary.
• Mower blades are sharp, and can cut. Wrap the blades or wear gloves, and use extra
caution when servicing.
• Maintain or replace safety and instruction labels, as necessary.

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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
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SYMBOL NAME DESIGNATION/EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
min Minutes Time
Direct Current Type or a characteristic of current
n
o
No Load Speed Rational speed, at no load
Class II Construction Double-insulated construction
/min Per Minute Revolutions, strokes, surface speed, orbits etc.,
per minute
Safety Alert Indicates a potential personal injury hazard.
Wet Conditions Alert Do not expose to rain or use in damp locations
Read The Operator’s Manual
To reduce the risk of injury user must read and
understand operator’s manual before using this
product.
Eye Protection Always wear safety glasses with side shields that
are marked to comply with ANSI Z87.1.
Keep Hands and Feet Away Keep hands and feet away from blade and cutting
area.
No Reach Do not reach hands or feet under mower deck.
No Slope Do not operate on inclines greater than 15º. Mow
across the face of slopes, never up and down.
Keep Bystanders Away Keep all bystanders at least 100 ft. away.
Ricochet Pay attention that bystanders are not injured
through foreign objects thrown from the mower.

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SYMBOLS
SAVE THESE INSTRUCTIONS
The following signal words and meanings are intended to explain the levels of risk associated
with this product.
SERVICE
Servicing requires extreme care and knowledge and should be performed only by a qualied
service technician. For service we suggest you return the product to your nearest AUTHORIZED
SERVICE CENTER for repair. When servicing, use only identical replacement parts.
WARNING
To avoid serious personal injury, do not attempt to use this product until you have read this Owner’s
Manual thoroughly and understand it completely. If you do not understand the warnings and
instructions in this Owner’s Manual, do not use this product. Call the Toll-free Helpline 1 (855) 470-
4267 for assistance.
WARNING
The operation of any power tool can result in foreign objects being thrown into your eyes,
which can result in severe eye damage. Before beginning power tool operation, always
wear safety goggles or safety glasses with side shields and, when needed, a full face
shield. We recommend Wide Vision Safety Mask for use over eyeglasses or standard
safety glasses with side shields. Always use eye protection which is marked to comply
with ANSI Z87.1.
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.
CAUTION Indicates a potentially hazardous situation, which, if not avoided,
may result in minor or moderate injury.
CAUTION (Without Safety Alert Symbol) Indicates a situation that may
result in property damage.

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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.
Fig. 1
Height adjustment
lever
Side discharge
chute
Side discharge
cover
Rear cover
Bail lever
Safety lock-out button
Upper handle
Battery door
Self propel
lever
Self-Propel
Speed
Controls
Grass catcher bag
Rear wheel
Front wheel
Mulching plug

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ASSEMBLY INSTRUCTION
PACKING LIST
PART NAME FIGURE PART NO.
Lawn Mower 1
Mulching Plug 1
Side discharge chute 1
Grass Catcher Bag 1
Handle Knob 2
Handle Bolt 2
Owner’s Manual
1

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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 operated the
product.
• If any parts are damaged or missing, please call (1 [phone]) for assistance.
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 modication is misuse and could result in a hazardous condition
leading to possible serious personal injury.
WARNING
Do not insert battery 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.
ASSEMBLY INSTRUCTION

UNFOLDING AND ADJUSTING LOWER HANDLE (See Figure 2)
WARNING
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. You may raise or lower the handle to a
position comfortable for you. There are 3 positions (3) for you to choose. Release the handle
knobs to lock the lower handle into position.
Note: Ensure both sides are set at the same position for proper assembly.
ASSEMBLY INSTRUCTION
Fig. 2
12
(2)
(1)
(3)
Locked position Unlocked position

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ASSEMBLY INSTRUCTION
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.
Fig. 3
(3)
(1)
(2)
(4)

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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 (4) are seated on the door rod (5).
• Release the rear discharge door (1). When installed correctly, the hooks on the grass catcher
will extend through the openings on the rear discharge door.
NOTE: When using the grass catcher, do not install either the side discharge deector or the mulching plug.
ASSEMBLY INSTRUCTION
Fig. 4
(5)
(4)
(1)
(2)
(3)

Fig. 5
(2)
(3)
(1)
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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. Using this handle, lift and pull the mulch plug out.
• 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 INSTRUCTION

16
INSTALLING SIDE DISCHARGE CHUTE (See Figure 6)
• Lift the side discharge cover (1).
• Align the grooves (2) on the side discharge chute (3) with the pins (4) on the underside of the
discharge cover.
• Lower the discharge chute until the hooks on the mower deck are secured in the openings of
the discharge chute.
• Release the side discharge cover.
Fig. 6
ASSEMBLY INSTRUCTION
(1)
(3)
(2)
(4)

ASSEMBLY INSTRUCTION
17
TO INSTALL THE BATTERY PACK (See Figure 7)
• Lift and hold up the battery door (1).
• Align the battery (2) with the mower’s battery port.
• Insert the battery into the left battery compartment to start the mower. This mower is equipped
with a battery storage compartment which offers a convenient place for storing your battery
when not in use, or to store an extra battery pack to extend your run-time.
• Make sure the battery release button (4) snaps in place and that battery is fully seated and
secure in the mower before beginning operation.
• Insert the safety key (3). If the machine is not going to be used immediately, do not insert the
safety key.
• Close the door.
TO REMOVE THE BATTERY PACK (See Figure 7)
• Release the bail lever to stop the mower.
• Open the battery door.
• Remove the safety key.
• Press the battery release button (4). This will cause the battery to raise out of the tool slightly.
• Remove the battery from the mower.
Fig. 7
(2)
(1)
(3)
(2)
(4)

STARTING/STOPPING THE MOWER (See Figure 8)
To start the motor:
• Open the battery door.
• Install the battery. Insert the safety key.
• 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.
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OPERATION INSTRUCTION
Fig. 8
(2)
(1)
Soft-Start
This LI-ION mower is equipped with a “soft-start” feature. When initially starting up, the mower will
take approx. 3 seconds to get up to full speed. If the mower does not initially start: Remove the
battery and check under the mower deck to ensure there is nothing obstructing the blade and that
the blade can spin freely by hand. Even a small amount of grass blocking the mower blade will
prevent the mower blade from accelerating and engaging.
CAUTION
Do not attempt to override the operation of the safety lock-out button or bail lever.
WARNING
The operation of any mower can result in foreign objects being thrown into the eyes, which can
cause severe eye damage. Always wear safety glasses while operating the mower and while
performing any adjustments or repairs.
INSPECT THE CUTTING AREA. Remove all stones, sticks, wire, bones, and other debris that might
be thrown by the rotating blades.

19
SELF-PROPELLED MOWING (See Figure 9)
To engage the self-propelled feature:
• Open the battery door.
• Insert the battery. Insert the safety key.
• Pull the self propel lever (1) upward to meet the handle.
To disengage the self-propelled feature:
• Release the self propel lever.
To adjust the speed of self-propelled feature:
• Push the variable speed control lever (2) towards the Rabbit Symbol to increase speed.
• Pull the variable speed control lever (2) towards the Turtle Symbol to decrease speed.
Fig. 9
OPERATION INSTRUCTION
(1)
(2)