GREENWORKS GST80320 Owner’s Manual
80V Brushless String Trimmer
GST80320
Owner’s Manual
TOLL-FREE HELPLINE: 1-855-345-3934
www.GreenWorksTools.com
Read all safety rules and instructions carefully before operating this tool.
CONTENTS
Introduction ..........................................................................................................................2
Important Safet y Instr u ct ions ............................................................................................... 3
Symbols ...............................................................................................................................6
Know Your String Trimmer ................................................................................................... 8
Assembly .............................................................................................................................9
Operation ........................................................................................................................... 12
Maintenance............................................................................................................................17
Troubleshooting..................................................................................................................18
Warranty...................................................................................................................19
Explo de d V i ew an d Part List ................................................................................................20
PRODUCT SPECIf ICATIONS
80V BRU S HLESS STRINg TRImmE R
Type .............................................................................................Cordless, battery-powered
Motor ..............................................................................................................................8 0 V
Str ing Cutti n g W idth .....................................................................................................14-16 in.
Str ing Diamet e r .............................................................................................. 0. 080" (2. 03 mm)
Spee d .............................................................................................................. 5000/5500 R P M
Weight (w i t h out battery) ................................................................................................10.6 lbs
Weight (w i t h 2Ah bat t e ry) ..............................................................................................13.8 lb s
Batt e ry pack .................................................................................................................290130 2
Char g e r ........................................................................................................................290140 2
2
IMPORTANT SAf ETY INSTRUCTIONS
WARNINg
Read and understand all instructions before using this product. f ailure to follow all
instructions listed below may result in electric shock, re, and/or serious personal injury.
• Do not operate power tools in explosive atmospheres, such as in the presece of ammable
liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes.
• Do not allow children or untrained individuals to use this unit.
• Don’t expose p ower too ls to rain or w et condi tions . Water enter ing a power to ol will i ncrea se
the risk of electric shock.
• Do not handle plug or tool with wet hands.
• Never allow ch ildren to op erate the eq uipment. N ever allow adult s to operate t he equipme nt
without proper instruction.
• Always wear s afety glass es with sid e shields mar ked to comp ly with ANS I Z87.1. Everyday
glasses have o nly impact r esistant l enses. Th ey are NOT safety g lasses. f ollowing t his rule
will reduce the risk of eye injury. Use face mask if operation is dusty.
• Secure long hair above shoulder level to prevent entanglement in moving parts.
• Do not expose to rain, store indoors.
• Do not operate in poor lighting.
• Keep all parts of your body away from any moving part
• keep hair, loose clothing, ngers and all body parts away from openings and moving parts.
• Wear heavy long pants, boots, and gloves. Avoid loose garments or jewelry that could get
caught in moving parts of the machine or its motor.
• Do not force tool. Use the correct tool for your application. The correct tool will do the job
better and safer at the rate for which it is designed.
• Do not oper ate the equipm ent while ba refoot or whe n wearing s andals or sim ilar light weight
footwe ar. Wear protective foot wear that w ill protect yo ur feet and improve yo ur footing on
slippery surfaces.
• Secure long hair so it is above shoulder level to prevent entanglement in any moving parts.
• Keep rm footing and balance. Do not overreach. Overreaching can result in loss of balance.
• Do not allow to be used as a toy. Close attention is necessary when used by or near children.
• Do not use too l if swit ch doe s not tur n it on o r of f. Any tool t hat ca nnot be c ont roll ed wit h the
switch is dangerous and must be repaired.
• Keep all bystanders, children, and pets at least 50 ft. away
• Do not oper ate this unit wh en you are tired , ill or under th e influenc e of alcoho l, drugs or
medication.
• Keep all parts of your body away from any moving parts and all hot surfaces of the unit.
• Do not put any object into openings. Do not use with any opening blocked; keep openings free
of dust, lint, hair, and anything that may reduce air ow.
3
IMPORTANT SAf ETY INSTRUCTIONS
• Check the work area before each use. Remove all objects such as rocks, broken glass, nails,
wire, or string which can be thrown or become entangled in the machine.
• Use only ide ntic al ma nufa ctu rer ’s repla cem ent pa r ts an d acc es sor ie s. Use of a ny other p ar ts
may create a hazard or cause product damage.
• Do not char ge bat ter y to ol in ra in, or dam p or wet lo cat ion. f ollowin g this r ule w ill re duce t he
risk of electric shock.
• f or household use only.
• Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in
operatin g condi tion. Be awa re of possi ble haz ards when n ot using your b atter y tool o r when
changing accessories. Following this rule will reduce the risk of electric shock, re, or serious
personal injury.
• Remove or disco nnect batte ry before se rvicing , cleaning or re moving materia l from the
gardening appliance.
• Use only Greenworks 80-volt batteries.
• Store idle a ppliance s - When not in use, s tring tr immer shoul d be stored indo ors in a dr y,
locked place out of the reach of children.
• Do not dispose of the batteries in a re. The cells may explode. Check with local codes for
possible special disposal instructions.
• Do not open o r mutilate the bat teries. Rel eased elec trolyte is c orrosive a nd may cause
damage to the eyes or skin. It may be toxic if swallowed.
• Do not plac e batter y tools or thei r batterie s near fire o r heat. This wi ll reduce the r isk of
explosion and possible injury.
• Batter ies c an explo de in the p resen ce of a so urce of i gniti on, suc h as a pilo t light. To reduce
the risk of serious personal injur y, never use any cordless product in the presence of open
flame. A n exploded bat tery c an propel de bris and che micals. If ex posed, flu sh with water
immediately.
• Do not cru sh, drop or dam age batter y pack. D o not use a batt ery pac k or charger t hat has
been dropped or received a sharp blow. A damaged battery is subject to explosion. Properly
dispose of a dropped or damaged battery immediately.
• Exercis e car e in han dling b atte ri es in or der no t to sho r t the bat te r y with c on duct ing ma teri als
such as rings, bracelets, and keys. The battery or conductor may overheat and cause burns.
• f or b est result s, your batter y tool sh ould be cha rged in a loc ation whe re the tempe rature is
more than 50°F but less than 100°F. To reduce the risk of serious personal injury, do not store
outside or in vehicles.
• Under extreme usage or temperature conditions, battery leakage may occur. If liquid comes in
contact with your skin, wash immediately with soap and water, then neutralize with lemon juice
or vinegar. If liquid gets into your eyes, ush them with clean water for at least 10 minutes,
then seek im mediate medic al attenti on. f ol lowing this r ule will reduc e the risk of se rious
personal injury.
• If the power su pply cor d is damaged , it must be repl aced onl y by the manufac turer or by an
authorized service center to avoid risk.
• Do not point the string trimmer in the direction of people or pets.
4
IMPORTANT SAf ETY INSTRUCTIONS
• When not in us e, s t ring trimmer s h o u ld be stored indoo rs in a dry, locked up plac e—out of t he
reach of children.
• Maintain tool with care. Keep ve n ts clean for best and safest perf ormance. f ollow instructions
for proper maintenance. Do not attempt to clear clogs from tool without rst disconnecting the
battery.
• To reduce the risk of electrical shock, do not expose to rain, do not use on wet surfaces. Store
indoors.
• Save these inst ructio ns. Refer to them f requently an d use them to inst ruct oth ers who may
use this power tool. If you loan someone this power tool, loan them these instructions also.
CHILD SAFETY
Tragic accidents can occur if the operator is not aware of the presence of children.
• Keep children out of the working area and under the watchful care of a responsible adult.
• Do not allow c hildren unde r the age of 14 to operate t his trimm er. Children who are 14
years of age an d older must rea d and underst and the ope rating inst ructio ns and safety
rules in this manual and must be trained and supervised by a parent.
• Stay alert, and turn the trimmer off if a child or any other person enters the working area.
• Look behind and down for small children before and while cutting backwards.
• Use extrem e care when ap proaching b lind corn ers, door ways, shrub s, trees, or ot her
objects that may obscure your view of a child who may run into the path of the trimmer.
W A R N I N g (PROPOSITION 65)
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:
• Lead from lead-based paints
• Crystalline silica from bricks and cement and other masonry products, and
• Arsenic and chromium from chemically treated lumber.
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.
5
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
V Volts Voltage
A Amperes Current
Hz Hertz frequency (cycles per second)
W Watts Power
min Minutes Time
Alternating Current Type of current
Direct Current Type or a characteristic of current
No Blade Do not install or use any type of blade on a
/min Per Minute Revolutions, strokes, surface speed, orbits
Wet Conditions Alert Do not expose to rain or use in damp locations.
product or displaying this symbol.
etc., per minute.
Read The Operator’s Manual To reduce the risk of injury user must read and
Eye Protection Always wear eye protection with side shields
Safety Alert Precautions that involve your safety.
Ricochet Thrown objects can ricochet and result in
Keep Bystanders Away Keep all bystanders at least 50 ft. away.
Class II Construction Double-insulated construction
understand operator’s manual before using
this product.
marked to comply with ANSI Z87.1 when
operating this equipment.
personal injury or property damage.
6
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.
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.
SERVICE
Servicing requires extreme care and knowledge and should be performed only by a qualified
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 (1-855-345-
3934) for assistance. The operation of any power tool can result in foreign objects being thrown
into your eyes, which can result in severe eye damage. Before operating a power tool, always wear
safety goggles, safety glasses with side shields, or a full face shield when needed. We recommend
a Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields.
Always use eye protection that is marked to comply with ANSI Z87.1.
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.
SAVE THESE INSTRUCTIONS
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