GreenWorks 2100007AU User manual

STG304
EN OPERATOR MANUALSTRING TRIMMER
2100007AU
www.greenworksaustralia.com
Greenworks Australia
A Division Jak Max P/L
380 Foley’s Road Derrimut
Victoria, Australia 3026

1. 2. 3. 4.
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STG304
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813
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STG304
5.5 m
(18 ft.)
= 1.65 mm (0.0005 ft.)
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13
16
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1 Description......................................... 2
1.1 Purpose.............................................................. 2
1.2 Overview........................................................... 2
2 Introduction....................................... 2
3 General power tool safety
warnings............................................. 2
3.1 Training..............................................................2
3.2 Preparation.........................................................2
3.3 Operation........................................................... 3
3.4 Maintenance.......................................................3
3.5 Service............................................................... 4
4 String trimmer safety warnings....... 4
5 Symbols on the product.................... 4
6 Risk levels...........................................5
7 Recycle................................................5
8 Installation......................................... 5
8.1 Unpack the machine.......................................... 5
8.2 Attach the guard.................................................6
8.3 Assemble the shaft.............................................6
8.4 Install the battery pack.......................................6
8.5 Remove the battery pack................................... 6
9 Operation........................................... 6
9.1 Controls............................................................. 6
9.2 Start the machine............................................... 6
9.3 Stop the machine............................................... 6
9.4 Operation tips.................................................... 6
9.5 Cutting tips........................................................ 6
9.6 Adjust the length of the cutting line.................. 6
9.7 Adjust the length of the cutting line
manually............................................................ 7
9.8 Line cut-off blade.............................................. 7
9.9 Adjust the cutting diameter................................7
9.10 Change to the edging mode............................... 7
9.11 Pivoting Head Function .................................... 7
10 Maintenance.......................................7
10.1 General information...........................................7
10.2 Clean the machine............................................. 8
10.3 Replace the spool...............................................8
10.4 Replace the cutting line..................................... 8
11 Transportation and storage..............8
11.1 Move the machine............................................. 8
11.2 Store the machine.............................................. 8
12 Troubleshooting................................. 8
13 Technical data.................................... 9
14 Warranty............................................9
1
English EN

1 DESCRIPTION
1.1 PURPOSE
This machine is used to cut grass, light weeds, and other
similar vegetation at or around ground level. The cutting
plane must be approximately parallel to the ground surface.
You cannot use the machine to cut or chop hedges, shrubs,
bushes, flowers and compost.
1.2 OVERVIEW
Figure 1 - 16.
1Trigger
2Rear handle
3Lock-out button
4Auxiliary handle
5Upper shaft
6Coupler
7Lower shaft
8Guard
9Edge guide
10 Cut-off blade
11 Trimmer head
12 Edge wheel
13 Pivoting button
14 Edger button
15 Battery release button
16 Spool cover
17 Spool
18 Spool housing
19 Guide slot
20 Hole
21 Spool retainer button
ADirection of roatation
BBest cutting area
CDangerous cutting area
2 INTRODUCTION
Your product has been engineered and manufactured to high
standards for dependability, ease of operation, and operator
safety. When properly cared for, it will give you years of
rugged, trouble-free performance.
3 GENERAL POWER TOOL
SAFETY WARNINGS
WARNING
Read all safety warnings and all 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 battery-
operated (cordless) power tool.
3.1 TRAINING
• Read the instructions carefully.
Be familiar with the controls
and the correct use of the
machine.
• Never allow children, persons
with reduced physical, sensory
or mental capabilities or lack
of experience and knowledge
or people unfamiliar with these
instructions to use the
machine. Local regulations can
restrict the age of the operator.
• Keep in mind that the operator
or user is responsible for
accidents or hazards occurring
to other people or their
property.
3.2 PREPARATION
• Before use, check the battery
pack for signs of damage or
aging. If the battery becomes
damaged during use, switch
off the power tool and remove
the battery immediately. Do
not use the power tool if the
battery is damaged or worn.
2
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EN

• Before use, always visually
inspect the power tool for
damaged, missing or
misplaced guards or shields.
3.3 OPERATION
• Keep power cords away from
cutting means.
• Wear eye protection and stout
shoes at all times while
operating the power tool.
• Avoid using the power tool in
bad weather conditions
especially when there is a risk
of lightning.
• Use the power tool only in
daylight or good artificial
light.
• Never operate the power tool
with damaged guards or
shields or without guards or
shields in place.
• Switch on the motor only
when the hands and feet are
away from the cutting means.
• Always disconnect the power
tool from the power supply
(i.e. remove the plug from the
mains, remove the disabling
device or removable battery)
• whenever the power tool is
left unattended;
• before clearing a blockage;
• before checking, cleaning or
working on the power tool;
• after striking a foreign
object;
• whenever the power tool
starts vibrating abnormally.
• Take care against injury to feet
and hands from the cutting
means.
• Always ensure that the
ventilation openings are kept
clear of debris.
3.4 MAINTENANCE
• Disconnect the power tool
from the power supply (i.e.
remove the plug from the
mains, remove the disabling
device or removable battery)
before carrying out
maintenance or cleaning work.
• Use only the manufacturer’s
recommended replacement
parts and accessories.
• Inspect and maintain the
power tool regularly. Have the
power tool repaired only by an
authorized repairer.
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• When not in use, store the
power tool out of the reach of
children.
3.5 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.
4 STRING TRIMMER
SAFETY WARNINGS
• Children shall not play with
the power tool.
• Cleaning and user maintenance
shall not be made by children
without supervision.
• The battery must be removed
from the power tool before it is
scrapped.
• The power tool must be
disconnected from the supply
mains when removing the
battery.
• The battery is to be disposed
of safely.
• 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.
• This power tool is not intended
for use by persons (including
children) with reduced
physical, sensory or mental
cpabilities, or lack of
experience and knowledge,
unless they have been given
supervision or instruction
cnocerning use of the power
tool by a person responsible
for their safety.
• Children should be supervised
to ensure that they do not play
with the power tool.
5 SYMBOLS ON THE PRODUCT
Some of the following symbols may be used on this tool.
Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate the
tool better and safer.
Symbol Explanation
Read and understand all instructions
before operating the product, follow
all warnings and safety instructions.
4
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EN

Symbol Explanation
Wear head protection.
Wear eye and ear protection.
Wear safety footwear.
Wear protective gloves.
Do not expose the product to rain or
moist conditions.
Thrown objects can ricochet and re-
sult in personal injury or property
damage. Wear protective clothing and
boots.
Beware of thrown or flying objects.
Keep all bystanders, especially chil-
dren and pets, at a safe distance at
least 15 m away from the operating
area.
Keep bystanders a safe distance away
from the product.
6 RISK LEVELS
The following signal words and meanings are intended to
explain the levels of risk associated with this product.
SYM-
BOL
SIGNAL MEANING
DANGER Indicates an imminently haz-
ardous situation,which, if not
avoided, will result in death
or serious injury.
WARNING Indicates a potentially hazard-
ous situation,which, if not
avoided, could result in death
or serious injury.
CAUTION Indicates a potentially hazard-
ous situation, which, if not
avoided, may result in minor
or moderate injury.
CAUTION (Without Safety Alert Sym-
bol) Indicates a situation that
may result in property dam-
age.
7 RECYCLE
Separate collection. You must not discard
with usual household waste. If it is necessa-
ry to replace the machine, or if it is no more
use to you, do not discard it with household
waste. Make this machine available for sepa-
rate collection.
Separate collection of used machine and
packaging let you recycle materials and use
them again. Use of the recycled materials
helps prevent environmental pollution and
decreases the requirements for raw materi-
als.
At the end of their useful life, discard batter-
ies with a precaution for our environment.
The battery contains material that is danger-
ous to you and the environment. You must
remove and discard these materials separate-
ly at a equipment that accepts lithium-ion
batteries.
8 INSTALLATION
WARNING
Remove the battery pack from the machine before
installation.
WARNING
Do not use accessories that are not recommended for this
machine.
8.1 UNPACK THE MACHINE
WARNING
Make sure that you correctly assemble the machine before
use.
WARNING
• If the parts are damaged, do not use the machine.
• If you do not have all the parts, do not operate the
machine.
• If the parts are damaged or missing, speak to the service
center.
1. Open the package.
2. Read the documentation in the box.
3. Remove all the unassembled parts from the box.
4. Remove the machine from the box.
5. Discard the box and package in compliance with local
regulations.
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8.2 ATTACH THE GUARD
Figure 2.
WARNING
Do not touch the cut-off blade.
1. Remove the screws from the trimmer head with a Phillips
head screwdriver (not included).
2. Install the guard into the slots on trimmer head.
3. Turn the guard counterclockwise to lock it into place.
4. Align the screw holes on the guard with the screw holes
on the trimmer head.
5. Tighten the screws.
8.3 ASSEMBLE THE SHAFT
Figure 3
1. Insert the lower shaft into the coupler on the upper shaft.
NOTE
Make sure the upper and lower part of shafts are securely
tightened before installing the battery pack again.
2. Tighten the coupler.
8.4 INSTALL THE BATTERY PACK
Figure 4.
WARNING
• If the battery pack or charger is damaged, replace the
battery pack or the charger.
• Stop the machine and wait until the motor stops before
you install or remove the battery pack.
• Read, know, and do the instructions in the battery and
charger manual.
1. Align the lift ribs on the battery pack with the grooves in
the battery compartment.
2. Push the battery pack into the battery compartment until
the battery pack locks into place.
3. When you hear a click, the battery pack is installed.
8.5 REMOVE THE BATTERY PACK
Figure 4.
1. Push and hold the battery release button.
2. Remove the battery pack from the machine.
9 OPERATION
IMPORTANT
Before you operate the machine, read and understand the
safety regulations and the operation instructions.
WARNING
Be careful when you operate the machine.
9.1 CONTROLS
9.2 START THE MACHINE
Figure 5.
1. Pull back on the lock-out button and pull the trigger.
9.3 STOP THE MACHINE
Figure 5.
1. Release the trigger to stop the machine.
9.4 OPERATION TIPS
Figure 6.
WARNING
Keep clearance between the body and the machine.
WARNING
Do not operate the machine without guard in place.
Do these tips when you use the machine
• Keep the machine connected to the correctly worn
harness.
• Keep a firm hold with the two hands on the machine
while you operate the machine.
• Cut tall grass from the top down.
If grass winds around the trimmer head:
• Remove the battery pack.
• Remove the grass.
9.5 CUTTING TIPS
Figure 7.
• Tilt the machine toward the area to be cut. Use the tip of
the cutting line to cut grass.
• Move the machine from right to left to prevent thrown
debris toward the operator.
• Do not cut in the dangerous area.
• Do not force the trimmer head into uncut grass.
• Wire and picket fences cause cutting line wear and
breakage. Stone and brick walls, curbs, and wood can
wear the cutting line quickly.
9.6 ADJUST THE LENGTH OF THE
CUTTING LINE
Figure 5.
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EN

NOTE
The machine has an auto-feed head. It will damage the
machine if you hit the head to try to advance the line.
NOTE
If the cutting line does not automatically advance, it can be
tangled or empty.
1. When the machine is on, release the trigger.
2. Wait two seconds, push the trigger again.
NOTE
The line will extend approximately 0.4 in. with each stop
and start of the switch trigger until the line reaches the cut-
off blade and the cut-off blade cuts the excess length.
9.7 ADJUST THE LENGTH OF THE
CUTTING LINE MANUALLY
Figure 8
1. Stop the machine.
2. Push the spool retainer button and pull on cutting line to
manually advance the cutting line.
3. After you extend new cutter line, always return the
machine to its normal position before you start it again.
9.8 LINE CUT-OFF BLADE
Figure 9.
This trimmer is equipped with a line cut-off blade on the
guard. The line cut off blade continuously trims the line to
ensure a consistent and efficient cut diameter. Advance line
whenever you hear the engine running faster than normal, or
when trimming efficiency diminishes. This will maintain best
performance and keep line long enough to advance properly.
9.9 ADJUST THE CUTTING
DIAMETER
Figure 9.
NOTE
The machine is set at a 10 in. (254 mm) cutting diameter.
You can adjust to a 12 in. (305 mm) cutting diameter.
Set the cutting diameter to 10 in. (254 mm) for greater
runtime and 12 in. (305 mm)for a larger cutting area.
1. Remove the battery pack.
2. Remove the blade screws from the cut-off blade.
3. Turn the cut-off blade 180°.
4. Tighten the blade screws.
9.10 CHANGE TO THE EDGING MODE
Figure 6.
NOTE
You can change the machine to a well groomed edger for
edging patios, driveways and walkways or other areas.
1. Stop the machine.
2. Push on the edge button and turn the trimmer head 90
degrees until the trimmer head locks into position.
3. Release the edge button.
9.11 PIVOTING HEAD FUNCTION
Figure 10.
NOTE
Adjust pivoting head to trim areas which are hard to reach
and for users to operate comfortably.
1. Stop the machine.
2. Push on the pivoting button and turn the shaft until the
trimmer head locks into required position.
3. Release the pivoting button.
10 MAINTENANCE
IMPORTANT
Read and understand the safety regulations and the
maintenance instructions before you clean, repair or do the
maintenance work on the machine.
IMPORTANT
Make sure that all nuts, bolts and screws are tight. Examine
regularly that you install the handles tightly.
IMPORTANT
Use only the replacement parts and accessories of the initial
manufacturer.
10.1 GENERAL INFORMATION
IMPORTANT
Only your dealer or approved service center can do the
maintenance that is not given in this manual.
Before the maintenance operations:
• Stop the machine.
• Remove the battery pack.
• Cool the motor.
• Store the machine in cool and dry place.
• Use correct clothing, protective gloves and safety glasses.
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10.2 CLEAN THE MACHINE
• Clean the machine after use with a moist cloth dipped in
neutral detergent.
• Do not use aggressive detergents or solvents to clean the
plastic parts or handles.
• Keep the trimmer head free of grass, leaves, or excessive
grease.
• Keep the air vents clean and free of debris to avoid
overheating and damage to the motor or the battery.
• Do not spray water onto the motor and electrical
components.
10.3 REPLACE THE SPOOL
Figure 11.
1. Push the tabs on the sides of the trimmer head at the same
time.
2. Pull and remove the spool cover.
3. Remove the spool.
4. Replace with a new spool.
NOTE
Make sure that the cutting line is in the guide slot on the
new spool, and is extended approximately 5 in. before you
install the new spool.
5. Put the end of the cutting line through the eyelet.
6. Extend the cutting line to release it from the guide slot in
the spool.
7. Push the tabs and install the spool cover onto the spool
housing.
8. Push the spool cover until it clicks into position.
10.4 REPLACE THE CUTTING LINE
Figure 12 - 16.
NOTE
Remove the remaining cutting line on the spool.
NOTE
Use only with the nylon cutting line of 0.065" (1.65 mm)
diameter.
1. Cut a piece of cutting line approximately 3m long.
2. Bend one end of the line 1/4 of an inch (6.35mm) .
3. Insert the line into the anchor hole of the spool.
4. Wind the cutting line around the spool tightly in the
indicated direction.
5. Put the cutting line in the guide slot.
6. Do not wind the cutting line beyond the edge of the spool.
11 TRANSPORTATION AND
STORAGE
11.1 MOVE THE MACHINE
When you move the machine, you must:
• Wear gloves.
• Stop the machine.
• Remove the battery pack and charge it.
• Assemble the blade guard.
11.2 STORE THE MACHINE
• Remove the battery pack from the machine.
• Make sure that children cannot come near the machine.
• Keep the machine away from corrosive agents such as
garden chemicals and de-icing salts.
• Secure the machine during transportion to prevent
damage or injury. Clean and examine the machine for any
damage.
12 TROUBLESHOOTING
Problem Possible Cause Solution
The ma-
chine does
not start
when you
push the
trigger.
No electrical con-
tact between the
machine and the
battery pack.
1. Remove battery pack.
2. Check contact and in-
stall the battery pack
again.
The battery pack is
depleted.
Charge the battery pack.
The lock-out but-
ton and trigger are
not pushed at the
same time.
1. Pull the lock-out but-
ton and hold it.
2. Pull the trigger to start
the machine.
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EN

Problem Possible Cause Solution
The ma-
chine stops
when you
cut.
The guard is not
attached to the ma-
chine.
Remove the battery pack
and attach the guard to
the machine.
Heavy cutting line
is used.
Use only with the nylon
cutting line of 0.065"
(1.65 mm) diameter.
The grass winds
around the motor
shaft or the trim-
mer head.
1. Stop the machine.
2. Remove the battery
pack.
3. Remove the grass from
the motor shaft and trim-
mer head.
The motor is over-
loaded.
1. Remove the trimmer
head from the grass.
2. The motor will recover
to work as soon as the
load is removed.
3. When you cut, move
the trimmer head in and
out of the grass to be cut
and remove no more than
8" in pass.
The battery pack
or machine is too
hot.
1. Cool the battery pack
until its function returns
to normal.
2. Cool the machine for
approximately 10 mi-
nutes.
The battery pack is
disconnected from
the tool.
Install the battery pack
again.
The battery pack is
depleted.
Charge the battery pack.
The line
does not ad-
vance.
Lines are welded
to themselves.
Lubricate with silicone
spray.
Not enough line
on spool.
Install more line.
Lines are worn too
short.
Advance the cutting line.
Lines are tangled
on spool.
1. Remove the lines from
the spool.
2. Wind the lines.
Problem Possible Cause Solution
The line
keeps
breaking.
The machine is
used incorrectly.
1. Cut with the tip of the
line, avoid stones, walls
and other hard objects.
2. Advance the cutting
line regularly to keep full
cutting width.
The grass
winds
around the
trimmer
head and
motor hous-
ing.
Cut tall grass at
ground level.
1. Cut tall grass from the
top down.
2. Remove no more than
8" in each pass to prevent
wrapping.
The line
does not cut
well.
The cut-off blade
becomes dull.
Sharpen the cut-off blade
with a file or replace it.
Vibration
increases
obviously.
The line is worn
down at one side
and not advanced
in time.
Make sure that the line on
both sides is normal. Ad-
vance the line.
13 TECHNICAL DATA
Voltage 24 V
No load speed 9000 - 10000 RPM
Cutting head Automatic feed
Cutting line diameter 0.065" (1.65 mm)
Cutting path diameter 10/ 12 in. （254mm/305mm）
Weight (without bat-
tery pack)
3.13 kg
Measured sound pres-
sure level
LPA=82 dB(A), KPA= 3 dB(A)
Guaranteed sound
power level
LWA.d= 96 dB(A)
Vibration 2 m/s2, k=1.5 m/s2
Battery model 29807 / 29837 / 2926707 and other
BAG series
Charger model 29817/29827 and other CAG series
Noise value.
14 WARRANTY
(The full warranty terms and conditions can be found on
Greenworks webpage)
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English EN

The Greenworks warranty is 4 years on the product, and 2
years on batteries (consumer/private usage) from the date of
purchase. This warranty covers manufacturing faults. A faulty
product under warranty might be either repaired or replaced.
A unit that has been misused or used in other ways then
described in the owner’s manual might be rejected for
warranty. Normal wear, and wear parts are not considered as
warranty. The original manufacturer warranty is not affected
by any additional warranty offered by a dealer or retailer.
A faulty product must be returned to the point of purchase in
order to claim for warranty, together with the proof of
purchase (receipt).
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EN