EarthWise LHT12021 Owner's Manual
OWNER’S MANUAL
CORDLESS 20” 20V LITHIUM HEDGE TRIMMER
Copyright. All Rights Reserved.
Model LHT12021
Your hedge trimmer has been engineered and manufactured to our high standard for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the owner’s manual before
using this product.
Thank you for your purchase.
DO NOT RETURN THIS PRODUCT TO THE STORE. OPERATING,
ASSEMBLY, PARTS, SERVICE QUESTIONS? GO TO
WWW.AMERICANLAWNMOWER.COM OR CALL 1-800-313-5111
BETWEEN 8:00 AM—5:00 PM EST FOR ASSISTANCE.
SAVE THIS MANUAL FOR FUTURE REFERENCE
CA Compliant Charger
Included (Model No.
CHL82000)
3189723
BATTERY MUST BE CHARGED
BEFORE FIRST USE. TWO TO
THREE INITIAL CHARGING/
DISCHARGING CYCLES MAY BE
REQUIRED TO ACHIEVE
MAXIMUM RUN TIME/CAPACITY.
GENERAL POWER TOOL SAFETY WARNINGS
IMPORTANT SAFETY WARNINGS
2
Model LHT12021
TO REDUCE RISK OF INJURY:
Before any use, be sure everyone using this tool reads and
understands all safety instructions and other information
contained in this manual.
CAUTION: Wear appropriate personal hearing protection
during use. Under some conditions and duration of use,
noise from this product may contribute to hearing loss.
Save these instructions and review frequently prior to use and
in instructing others.
WARNING: When using electric gardening appliances, basic
safety precautions should always be followed to reduce risk
of fire, electric shock, and personal injury, including the
following: READ ALL INSTRUCTIONS
CAUTION: Use only the following type and size battery:
BL82120
WARNING: Read all safety warnings and instructions.
Failure to follow the warnings and instructions may result in
electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your
mains-operated (corded) power tool or battery-operated
(cordless) power tool.
Work area safety
• Keep work area clean and well lit. Cluttered or dark
areas invite accidents.
• Do not operate power tools in explosive
atmospheres, such as in the presence of flammable
liquids, gases or dust. Power tools create sparks
which may ignite the dust or fumes.
• Keep children and bystanders away while operating
a power tool. Distractions can cause you to lose
control.
Electrical safety
• Power tool plugs must match the outlet. Never
modify the plug in any way. Do not use any adapter
plugs with earthed (grounded) power tools.
Unmodified plugs and matching outlets will reduce risk
of electric shock.
• Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric
shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of
electric shock.
• Do not abuse the cord. Never use the cord for
carrying, pulling or unplugging the power tool. Keep
cord away from heat, oil, sharp edges or moving
parts. Damaged or entangled cords increase the risk of
electric shock.
• When operating a power tool outdoors, use an
extension cord suitable for outdoor use. Use of a
cord suitable for outdoor use reduces the risk of electric
shock.
• If operating a power tool in a damp location is
unavoidable, use a ground fault circuit interrupter
(GFCI) protected supply. Use of a GFCI reduces the
risk of electric shock.
Personal safety
• Stay alert, watch what you are doing and use
common sense when operating a power tool. Do not
use a power tool while you are tired or under the
influence of drugs, alcohol or medication. A moment
of inattention while operating power tools may result in
serious personal injury.
• Use personal protective equipment. Always wear eye
protection. Protective equipment such as dust mask,
non-skid safety shoes, hard hat, or hearing protection
used for appropriate conditions will reduce the risk of
personal injuries.
• Prevent unintentional starting. Ensure the switch is
in the off-position before connecting to power source
and/or battery pack, picking up or carrying the tool.
Carrying power tools with your finger on the switch or
energising power tools that have the switch on invites
accidents.
• Remove any adjusting key or wrench before turning
the power tool on. A wrench or a key left attached to a
rotating part of the power tool may result in personal
injury.
• Do not overreach. Keep proper footing and balance
at all times. This enables better control of the power tool
in unexpected situations.
• Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing and gloves away
from moving parts. Loose clothes, jewellery or long hair
can be caught in moving parts.
• If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
connected and properly used. Use of dust collection
can reduce dust-related hazards.
GENERAL POWER TOOL SAFETY WARNINGS
Power tool use and care
• Do not force the power tool. Use the correct power tool
for your application. The correct power tool will do the job
better and safer at the rate for which it was designed.
• Do not use the power tool if the switch does not turn it
on and off. Any power tool that cannot be controlled with
the switch is dangerous and must be repaired.
• Disconnect the plug from the power source and/or the
battery pack from the power tool before making any
adjustments, changing accessories, or storing power
tools. Such preventive safety measures reduce the risk of
starting the power tool accidentally.
• Store idle power tools out of the reach of children and
do not allow persons unfamiliar with the power tool or
these instructions to operate the power tool. Power
tools are dangerous in the hands of untrained users.
• Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and any
other condition that may affect the power tool’s
operation. If damaged, have the power tool repaired
before use. Many accidents are caused by poorly
maintained power tools.
• Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
• Use the power tool, accessories and tool bits etc. in
accordance with these instructions, taking into
account the working conditions and the work to be
performed. Use of the power tool for operations different
from those intended could result in a hazardous situation.
Battery tool use and care
• Recharge only with the charger specified by the
manufacturer. A charger that is suitable for one type of
battery pack may create a risk of fire when used with
another battery pack.
• Use power tools only with specifically designated
battery packs. Use of any other battery packs may
create a risk of injury and fire.
• When battery pack is not in use, keep it away from
other metal objects, like paper clips, coins, keys,
nails, screws or other small metal objects, that can
make a connection from one terminal to another.
Shorting the battery terminals together may cause
burns or a fire.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact
accidentally occurs, flush with water. If liquid
contacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns
Service
• Have your power tool serviced by a qualified repair
person using only identical replacement parts. This
will ensure that the safety of the power tool is
maintained.
• When servicing a power tool, use only identical
replacement parts. Follow instructions in the
Maintenance section of this manual. Use of
unauthorized parts or failure to follow Maintenance
instructions may create a risk of shock or injury.
HEDGE TRIMMER SAFETY WARNINGS
• DANGER – Keep hands away from blade. Contact with
blade will result in serious personal injury.
• Use both hands when operating the hedge trimmer.
Using one hand could cause loss of control and
result in serious personal injury.
• Keep all parts of the body away from the cutter blade.
Do not remove cut material or hold material to be cut
when blades are moving. Make sure the switch is off
when clearing jammed material. Blades coast after
turn off. A moment of inattention while operating the
hedge trimmer may result in serious personal injury.
• Carry the hedge trimmer by the handle with the cutter
blade stopped. Proper handling of the hedge trimmer
will reduce possible personal injury from the cutter
blades.
WARNING: California Proposition 65: This product
contains chemicals known to the State of California to cause
cancer, birth defect or other reproductive harm.
WARNING: Some dust and debris created by the use of this
tool could contain chemicals known to the State of California
to cause cancer and birth defects or other reproductive
harm. Some examples of these chemicals are:
Chemicals in fertilizers
Compounds in insecticides, herbicides and
pesticides
• Hold the power tool by insulated gripping surfaces
only, because the cutter blade may contact hidden
wiring. Cutter blades contacting a “live” wire may make
exposed metal parts of the power tool “live” and could
give the operator an electric shock.
• Keep cable away from cutting area. During operation
the cable may be hidden in shrubs and can be
accidentally cut by the blade.
WARNING – Only use with handle and guard properly
assembled to hedge trimmer. The use of the hedge trimmer
without the proper guard or handle provided may result in
serious personal injury.
WARNING: DO NOT USE ON A LADDER OR UNSTABLE
SUPPORT. Stable footing on a solid surface enables better
control of the power tool in unexpected situations.
Arsenic and chromium from chemically treated
lumber
Your risk from exposure to these chemicals varies,
depending on how often you do this type of work. To reduce
your exposure, work in a well-ventilated area and with
approved safety equipment, such as dust masks that are
specially designed to filter out microscopic particles.
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.
3
Model LHT12021
PRODUCT SPECIFICATIONS
Aluminum Blade Support - Rubber Over Molded Handle - Hardened Steel Blades
FEATURES
LHT12021
Input….………………………….…………………………................20 V, DC Only
Battery…………………………………………………………………20V, 2.0 Ah Lithium-ion
No Load Speed ………………………..………………..................2600 Stroke per Min.
Blade Length……………………………...………………………......20 in.
Maximum Cut ………………….……………………………………..5/8 in.
Weight ………………………………………………………………... 5.73 lbs (2.6 kg)
Rear Handle
Trigger Switch
Lock-off Button
Blade
Blade Cover
Auxiliary Handle
Safety Guard
Battery pack
Charger
ST4.5x14 Screw
ASSEMBLY
PACKING LIST
− Hedge Trimmer
− Auxiliary Handle
− Safety Guard
− Hardware Bag (4 pieces ST4.5x14 screws)
− Charger
− Battery Pack
− Blade Cover
− Owner’s Manual
WARNING: If any parts are damaged or missing do not
operate this product until the parts are replaced. Failure to
heed this warning could result in serious personal injury.
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 1-800-313-5111
for assistance.
WARNING: Read the instructions carefully.
WARNING: Be familiar with the control and proper use of the
machine.
WARNING: Wear protection gloves and eye protection.
WARNING: Always remove battery before any assembling,
adjusting and maintaining.
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Model LHT12021
Secondary Switch
OPERATING
Starting / Stopping the Hedge Trimmer
To start:
• Remove the blade cover.
• Hold the unit by both handles.
• Press the switch trigger (A) on the grip handle and then
press the switch trigger (B) on the auxiliary handle to turn
the trimmer on.
To stop:
• Release the switch trigger (A) or the secondary switch
(B) to stop the hedge trimmer.
CAUTION: Blade coasts after turned off.
Do not use under wet conditions.
Do not store with switch locked on.
WARNING: To guard against injury, observe the following:
− Read instruction manual before using,
− Save instruction manual.
− Keep hands away from blades.
− Keep hands on handles. Don’t overreach.
WARNING: Do not allow familiarity with this type of product
to make you careless. Remember that a careless fraction of a
second is sufficient to inflict serious injury.
ROTATING THE REAR HANDLE
The grip handle (A) can turn left or
right up to 90° for cutting hedge
vertically.
Slightly pull out the lock-off button,
turn slightly, then release, and
continue to turn the rotating
handle in your desired direction
until the lock-off button snaps
back into position at the +- 90 degree point.
Note: The hedge trimmer can only be used in the 3 preset
positions of the rear handle.
Start-up
Start slowly. When you have gained experience, you will be
able to use the trimmer to its full potential.
Maintain proper footing and balance and do not overreach.
Wear safety goggles, ear muffs, non-skid footwear and rubber
gloves when trimming.
Install battery to the trimmer.
Hold the trimmer with both hands and pull the switch trigger
(A) or (B) and then move it in front of your body.
Move the blade lightly through the surface hedge. Try not to
cut too deeply.
ASSEMBLY
ATTACHING THE AUXILIARY HANDLE
Attach the auxiliary handle
(A) to the motor housing (B).
Secure auxiliary handle from
each side of the tool with 2
supplied screws in place.
Push down the Secondary
Switch (C) on the auxiliary
handle; you should hear a
“click” once the handle is
correctly installed.
Secure the screws firmly on both sides of auxiliary handle.
ATTACHING THE SAFETY GUARD
Install safety guard (D) to the
motor housing from both
sides of tool with supplied 2
screws.
Secure the screws, and
ensure the guard is securely
tightened.
5
Model LHT12021
The trimmer must be assembled correctly before
operation. Failure to assemble the tool correctly may
cause the tool malfunction and a personal injury.
BATTERY INSTALLATION AND REMOVAL
Hold the tool and the battery firmly when installing or
removing battery
Failure to hold the tool and the battery firmly may cause them to
slip from your hands and may result in damage to the tool and/
or battery and a personal injury.
To remove:
• Depress release button (A) on
the back of battery cartridge
(B) to release the battery.
• Pull the battery out of tool.
To install:
• Align the battery with the cavity
in the handle.
• Insert the battery into the
handle until the battery release
button locks into place. You
should hear a “click” once the
battery is installed.
• Note: The battery can only be
installed one way.
A
B
CHARGING THE BATTERY PACK
Charge the battery pack only with the charger provided.
Allow at least 60 minutes of charge time before initial use of
the string trimmer.
Make sure the power supply is normal household voltage,
120volts, 60Hz, AC only.
The battery charger should be operated in temperatures
between 39 and 104 degrees F.
The battery should be charged in a cool, dry place.
Two to three initial charging/discharging cycles may be required to achieve maximum run time/capacity.
DO NOT attempt to open the charger or the unit. There are no
customer serviceable parts inside. Call customer service
helpline at 1-800-313-5111 for assistance.
DO NOT incinerate battery packs even if they are severely
damaged or completely worn out. They can explode in a fire
causing injury.
DO NOT charge appliance in rain, or in wet locations.
Use the battery charger indoors only.
Disconnect charger from the power supply when not in use to
prevent damage to the charger during a power surge.
When fully charged, the battery can be safely stored in
temperatures down to -4 degrees F for a period of up to four
weeks, before requiring charging. Fully charge battery pack
every 90 days.
If over a period of time the battery pack quickly runs down
after a full 60 minutes charging period, a replacement battery
pack is needed.
To prevent permanent damage to the battery, never store in a
discharged condition.
WINTER STORAGE - Fully recharge before storage and then
again every 90 days.
Since the battery will not develop a memory, it does not have
to be fully discharged before recharging.
A small leakage of liquid from the battery cells may occur
under extreme usage, charging or temperature conditions.
This does not indicate a failure. However, if the outer seal is
broken and this leakage gets on your skin.
a. Wash quickly with soap and water.
b. Neutralize with a mild acid such as lemon juice or
vinegar.
c. If the battery liquid gets in your eyes, flush them with
clean water for a minimum of 10 minutes and seek immediate
medical attention.
TO CHARGE - SEE CHARGER MANUAL FOR COMPLETE INSTRUCTIONS
Battery Capacity
Press the button LED displays to show the battery capacity.
LED lights Battery status
All LED are on Full charged (75-100%)
LED 1, 2, 3 are on Battery is 50%-75% charged
LED 1, 2 are on Battery is 25%-50% charged
LED 1 is on
Battery is depleted (0%-25%).
Charge the battery.
BATTERY DISPOSAL
Remove the battery pack from the Cordless Trimmer, cover the
terminals with heavy duty adhesive tape. Do not attempt to destroy or
disassemble battery pack or remove any components. This product
contains lithium-ion batteries which must be recycled or disposed of
properly. Local, state or federal laws may prohibit disposal of these
batteries in the municipal solid waste or rural trash pick up systems.
Connecting battery charger
Connect battery charger to the
voltage and frequency specified
in this manual and on the rating
plate. Put the electric plug in an
earthed socket-outlet. The LED
on the battery charger lights up
green.
Connecting battery to charger
• The battery must be
charged before using it the
first time.
• Install charger on the top of
battery and push till the
charger contacts firmly with
the battery.
• The red charging light on
the charger is lit when the battery is connected to the battery charger.
• When LED on the charger turns to green the battery is fully
charged.
• Disconnect the power plug. Never pull the power cable of
the charger to disconnect it from the wall socket.
• Remove battery from battery charger.
Note: Lithium-ion batteries can be charged at any charging
level. The charging process can be started or cancelled
regardless of the battery’s charge level is.
The RBRC seal on the Li-Ion battery pack indicates that the cost to recycle the battery pack at the end of its useful life has already
been paid by The Great States Corporation/American Lawn Mower Company. It is illegal to place spent Li-Ion batteries in the local
municipal solid waste or in the trash. RBRC in cooperation with The Great States Corporation/American Lawn Mower Company has
provided an environmentally friendly and easy way to recycle spent Li-Ion batteries. Just contact your local recycling center or call
1.800.8.BATTERY for information on where to drop off the spent battery.
6
Model LHT12021
2. LEVEL HEDGES—To obtain exceptionally level
hedges, a piece of string can be stretched along
the length of the hedge as a guide.
CAUTION: Do not use the trimmer for cutting
stems greater than 5/8”. Use the trimmer only for
cutting normal shrubbery found around houses
and buildings.
WARNING: Always keep both hands on the hedge
trimmer handles. Never hold shrubs with one hand
and operate the hedge trimmer with the other.
Improper operation of the hedge trimmer could
result in serious injury.
DANGER: Never cut near electric cords or lines.
If blade jams on any electrical cord or line, DO
NOT TOUCH THE BLADE! IT CAN BECOME
ELECTRICALLY LIVE AND VERY DANGEROUS.
Continue to hold the hedge trimmer by the
insulated rear handle or lay it down and away from
you in a safe manner. Disconnect the electrical
service to the damaged line or cord before attempting to free the blade from the line or cord.
Contact with the blade, other conductive parts of
the hedge trimmer, or live electric cords or lines
will result in death by electrocution or serious
injury.
WARNING: Clear the area to be cut before each
use. Remove all objects such as cords, lights,
wire, or loose string which can become entangled
in the cutting blade and create a risk of serious
personal injury.
1. WORKING POSITION– Maintain proper footing
and balance and do not overreach. Wear safety
goggles, non--skid footwear and rubber gloves
when trimming. Hold the tool firmly in both hands
and turn the tool ON. Always hold the trimmer, as
shown, with right hand on the switch handle and
left hand on the front. Never hold the tool by the
blade guard. Keep unit below waist level.
3. TRIMMING NEW GROWTH—A wide, sweeping
motion, feeding the blade teeth through the twigs
is most effective. A slight downward tilt of the
blade in the direction of the motion gives the best
cutting.
4. SIDE-TRIMMING HEDGES—Rotate handle to
desired angle.Begin at the bottom and sweep up.
TRIMMING INSTRUCTIONS
7
Model LHT12021
If you drop the trimmer, carefully inspect it for damage. If the blade is
bent or cracked, handles broken or if you see any other condition that
may affect the trimmer’s operation, it must be repaired before putting it
back into use. Call our customer service help line at 1-800-313-5111 for
assistance.
CAUTION: Do not at any time let brake fluids, gasoline, petroleum
based products, penetrating oils, etc., come in contact with plastic parts.
They contain chemicals that can damage, weaken or destroy plastic.
Make sure the battery is detached from the unit, then use only mild soap
and a damp cloth to clean the tool. Never let any liquid get inside the
tool; never immerse any part of the tool into a liquid.
IMPORTANT: To assure product SAFETY and RELIABILITY, repairs,
maintenance and adjustment should be performed by a qualified
individual using only identical replacement parts.
The cutting blades are made from high quality, hardened steel and with
normal usage, they will not require re-sharpening. However, if you
accidentally hit a wire fence, stones, glass or other hard objects, you
may put a nick in the blade. There is no need to remove this nick as long
as it doesn’t interfere with the movement of the blade. If it does interfere,
make sure the battery is detached from the unit and use a fine toothed
file or sharpening stone to remove the nick.
Fertilizers and other garden chemicals contain agents which greatly
accelerate the corrosion of metals Do not store the tool on or adjacent to
fertilizers or chemicals.
LUBRICATE BLADES - Stop the unit and
remove the battery pack. Then remove any
debris on blades. Apply a light machine oil
along the edge of the top and bottom blade
supports. Make sure handles remain clean and
dry.
TROUBLESHOOTING
MAINTENANCE
Problem Possible Cause Possible Solution
− Unit does not run − Battery not making contact − Check battery is fully inserted
− Trigger switch not operational − Check that lock off button is fully depressed before moving trigger
− Battery not installed properly − Check battery installation
− Battery not charged − Check battery charging requirements
− Slow running, noisy or hot blades − Dry, corroded blades − Lubricate blades
− Blades or blade support bent − Straighten blade or blade support
− Bent or damaged teeth − Straighten teeth
− Loose blade bolts − Tighten blade bolts
− Battery will not charge − Battery not inserted into charger − Insert battery into charger until red LED appears
− Charger not plugged in − Plug charger into a working outlet
− Check current at receptacle by plugging in a lamp or other appliance
− Check to see if receptacle is connected to a light switch which turns
power off when you turn out the lights.
− Surrounding air temperature too hot
or too cold
− Move charger and tool to a surrounding air temperature between 39°
F (4° C) and 104° F (40°C)
NOTE:Do not use any strong detergents on the plastic housing or the
handle. They can be damaged by certain aromatic oils such as pine and
lemon, and by solvents such as kerosene.
■ Moisture can cause a shock hazard. Wipe off any moisture with a soft dry
cloth.
■ Use a small brush or the air discharge of a small vacuum cleaner brush to
clear dust or debris from the air vents on the motor housing.
Storing the Hedge Trimmer
■ Remove the battery pack and store it out of the reach of children when
storing the hedge trimmer.
■ Clean the hedge trimmer thoroughly before storing. Store the hedge
trimmer in a dry, well-ventilated place that is inaccessible to children. Keep
away from corrosive agents such as garden chemicals and de-icing salts.
■ Always place the blade cover on the cutting blades before storing.
Lubricating the Gear Housing
The gear housing needs regular lubrication every 25 hours of use to
maximize the performance of this product.
Performing this service will require a commercially available lithium-base
grease, along with common hand tools. If you are unsure of your ability to
perform the service as indicated, please take your unit to an authorized
service center for maintenance.
■ Remove the gear housing cover plate.
■ Clean all loose debris from the gear head.
■ Check the level of grease present. Grease should fill the gear case and be
visible at the bottom of the gear housing.
■ If necessary, add grease using a manual grease gun or squeeze tube just
until it reaches the bottom of the grease plug hole. DO NOT OVERFILL.
■ Reinstall the screw and tighten securely.
Cleaning the Hedge Trimmer
■ Stop the motor and remove the battery pack.
■ Slide the blade cover over the blade.
■ Clean dirt and debris from the body of the hedge trimmer, using a damp
cloth with a mild detergent.
8
Model LHT12021
CALL US FIRST !!
Call us first with questions about operating or maintaining your product
at 1.800.313.5111 between 8:00 a.m. – 5:00 p.m. Eastern Standard Time,
or get assistance on www.americanlawnmower.com.
PARTS AND SERVICE
CALL US FIRST !!
Always mention the model number when ordering kits/items for this tool.
No. Kit/Item Number Description QTY
1 LHT20-SGK-1 Safety Guard & Hardware 1
3 BL82120 Battery Pack 1
4 CHL82000 Charger 1
For parts or service, please call 1-800-313-5111 or visit us online at
www.americanlawnmower.com. Be sure to provide all relevant information when you call
or visit.
REPAIR PARTS (KITS/ ITEMS)
The model number of this tool is found on a plate or label attached to the housing. Please
record the serial number in the space provided below.
MODEL NUMBER LHT12021_____
SERIAL NUMBER_______________
Call us first with questions about operating or maintaining your product
at 1.800.313.5111 between 8:00 a.m. – 5:00 p.m. Eastern Standard Time,
or get assistance on www.americanlawnmower.com.
9
Model LHT12021
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