Kobalt 4V Lithium-ion Brushed String Trimmer KST 2540-06 User Manual
ATTACH YOUR RECEIPT HERE
ITEM #1438122
40 V LITHIUM-ION BRUSHED
STRING TRIMMER
MODEL #KST 2540-06
Español p. 22
Serial Number Purchase Date
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m., EST,
Monday - Friday.
PH19151
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TABLE OF CONTENTS
Product Specications...........................................................................................................2
Package Contents.................................................................................................................3
Hardware Contents..............................................................................................................4
Symbols................................................................................................................................ 5
Safety Information.................................................................................................................7
Preparation ......................................................................................................................... 10
Assembly Instructions ........................................................................................................ 10
Operating Instructions.........................................................................................................16
Care and Maintenance........................................................................................................18
Troubleshooting........................................................................................................................ 19
Warranty ................................................................................................................................ 20
Replacement Parts List.......................................................................................................21
PRODUCT SPECIFICATIONS
SPECIFICATIONS
Type Cordless, battery-powered
Speed
Cutting path 13 / 15 in. (330 / 381 mm)
Line diameter 0.080 in. (2.0 mm)
Cutting capacity Dual line
Weight without battery 7.7 lbs. (3.5 kg)
5500 RPM ± 10％ /
5000 RPM ± 10％
2
PACKAGE CONTENTS
PART DESCRIPTION QUANTITY
A Battery Release Button 1
B Trigger 1
C Lock-off Lever 1
D Speed Switch 1
E Front/Auxiliary Handle 1
F Coupler 1
G Motor Housing 1
H Guard 1
I Edge Guide 1
J Upper Tube 1
K Lower Tube 1
L Spool Cover
(preassembled to Spool
Housing)
1
PART DESCRIPTION QUANTITY
M Spool
(preassembled to Spool
Housing)
N Eyelet
(preassembled to Spool
Housing)
O Spool Housing
(preassembled to Lower
Tube)
P Bump knob 1
Q Battery 1
R Charger 1
S String Head 1
1
1
1
3
HARDWARE CONTENTS (not shown actual size)
Screw
(preassembled
to the Guard (H))
Qty. 2
Fastening Knob
Qty. 1
Bolt
Qty. 1
Hex Wrench
Qty. 1
Bracket
Qty. 1
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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.
SYMBOLS DESIGNATION EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
No Load Speed Rotational speed, at no load
Alternating Current Type of current
/min Per Minute
Direct Current Type or a characteristic of current
Safety Alert Indicates a potential personal injury hazard.
Read The Operator’s Manual
Eye Protection
Wet Conditions Alert Do not expose to rain or use in damp locations.
No Blade
Ricochet
Revolutions, strokes, surface speed, orbits, etc., per
minute
To reduce the risk of injury, user must read and
understand operator’s manual before using this product.
Always wear eye protection with side shields marked to
comply with ANSI Z87.1.
Do not install or use any type of blade on a
product displaying this symbol.
Thrown objects can ricochet and result in
personal injury or property damage.
Keep Bystanders Away Keep all bystanders at least 50 ft. away.
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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.
SYMBOL SIGNAL MEANING
DANGER
WARNING
CAUTION
CAUTION
SERVICE
Servicing requires extreme care and knowledge and should be performed only by a qualied service
technician. For service, return the product to your nearest AUTHORIZED SERVICE CENTER for
repair. When servicing, use only identical replacement parts.
Indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation, which, if not
avoided, may result in minor or moderate injury.
(Without Safety Alert Symbol) Indicates a situation that may
result in property damage.
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 1-888-3KOBALT (1-888-356-2258)
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.
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SAFETY INFORMATION
WARNING
Read and understand all instructions. Failure 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 presence of ammable liquids,
gases, or dust. Power tools create sparks that may ignite the dust or fumes.
• Do not allow children or untrained individuals to use this unit.
• Don’t expose power tools to rain or wet conditions. Water entering a power tool will increase the risk
of electric shock.
• Do not handle battery or tool with wet hands.
• Never allow children to operate the equipment. Never allow adults to operate the equipment without
proper instruction.
• Always wear safety glasses with side shields that are marked to comply with ANSI Z87.1. Everyday
glasses have only impact resistant lenses. They are NOT safety glasses. Following this rule will
reduce the risk of eye injury. Use face mask if operation is dusty.
• Don’t use in the rain. Store indoors.
• Do not operate in poor lighting.
• Keep all parts of your body away from any moving part.
• Prevent unintentional starting. Ensure the switch is in the off-position before connecting to battery
pack, picking up or carrying the appliance. Carrying the appliance with your nger on the switch or
energizing appliance that have the switch on invites accidents.
• 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 operate the equipment while bare foot or when wearing sandals or similar lightweight footwear. Wear protective footwear that will protect your feet and improve your footing on slippery surfaces.
• Keep rm footing and balance. Do not overreach. Overreaching can result in loss of balance.
• Check Damaged Parts – Before further use of the appliance, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting
and any other condition that may affect its operation. A guard or other part that is damaged should,
be properly repaired or replaced by an authorized service center unless indicated elsewhere in this
manual.
• Keep guards in place and in working order.
• Keep hands and feet away from cutting area.
• Do not allow to be used as a toy. Close attention is necessary when used by or near children.
• Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled with the switch is
dangerous and must be repaired.
• Keep all bystanders, children, and pets at least 50 ft. away.
• Do not operate this unit when you are tired, ill, or under the inuence of alcohol, drugs, or medica-
tion.
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