EGO POWER+ ST1200 Operating Manual
WARNING: To reduce the risk of injury, the user must read and understand the
Operator’s Manual before using this product. Save these instructions for future reference.
OPERATING MANUAL
56-VOLT LITHIUM-ION
CORDLESS
12" STRING TRIMMER
MODEL NUMBER ST1200
PUSH
Español p. 33
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER2
table of contents
Read These Instructions ...................................3
FCC Statement ...........................................3
Safety Symbols ..........................................4
Safety Instructions ......................................5-9
Introduction ............................................10
Specications ..........................................10
Assembly ...........................................11-13
Packing List ............................................11
Description .........................................14-15
Operation ...........................................16-25
Maintenance ...........................................26
Troubleshooting .........................................27
Warranty ...........................................28-29
Parts List ...........................................30-31
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 3
read all instructions!
WARNING:
Some dust created by power cutting contains chemicals known
to the state of California 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 from these exposures 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 those dust masks that are specially
designed to lter out microscopic particles.
fcc statement
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference received, including interference that
may cause undesired operation.
2. Changes or modications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures: Reorient or relocate the receiving antenna. Increase
the separation between the equipment and receiver. Connect the equipment into an
outlet on a circuit different from that to which the receiver is connected. Consult the
dealer or an experienced radio/TV technician for help.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER4
safetY sYmbols
The purpose of safety symbols is to attract your attention to possible dangers. The
safety symbols and the explanations with them deserve your careful attention and
understanding. The symbol warnings do not, by themselves, eliminate any danger.
The instructions and warnings they give are no substitutes for proper accident
prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this
Operator’s Manual, including all safety alert symbols such as “DANGER,” “WARNING,”
and “CAUTION” before using this tool. Failure to following all instructions listed below
may result in electric shock, re, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL:
Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
WARNING!
The operation of any power tools 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 shield and 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
which is marked to comply with ANSI Z87.1.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 5
safetY instructions
This page depicts and describes safety symbols that may appear on this product. Read,
understand, and follow all instructions on the machine before attempting to assemble
and operate it.
Safety Alert Indicates a potential personal injury hazard.
Read the
Operator’s
Manual
To reduce the risk of injury, user must read
operator’s manual.
Eye Protection
Always wear safety goggles or safety glasses
with side shields and a full face shield when
operating this product.
WARNINGElectrical Shock
Do not expose power tools to rain or wet
conditions. Water entering a power tool will
increase the risk of electric shock.
Recycle Symbols
This product uses lithium-ion (Li-ion)
batteries. Local, state, or federal laws may
prohibit disposal of batteries in ordinary
trash. Consult your local waste authority for
information regarding available recycling and/
or disposal options.
V Volt Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER6
W Watt Power
min Minutes Time
Alternating
Current
Type of current
Direct Current Type or a characteristic of current
n
0
No-Load Speed Rotational speed, at no load
... /min Per Minute Revolutions per minute
DANGER:
People with electronic devices, such as pacemakers, should consult
their physician(s) before using this product. Operation of electrical equipment in close
proximity to a heart pacemaker could cause interference or failure of the pacemaker.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 7
IMPORTANT SAFETY INSTRUCTIONS
WARNING!
When using electric trimmers, basic safety precautions should
always be followed to reduce the risk of re, electric shock, and personal injury,
including the following:
READ ALL INSTRUCTIONS
DANGER!
Do not rely on the tool’s insulation against electric shock. To reduce
the risk of electrocution, never operate the tool in the vicinity of any wires or cables
(power, etc.) which may carry electric current.
CAUTION!
Wear appropriate personal hearing protection during use. Under some
conditions and durations of use, noise from this product may contribute to hearing loss.
Avoid Dangerous Environments – Don’t use trimmers in damp or wet locations.
Don’t Use In Rain.
Keep Children Away – All visitors should be kept at a distance from work area.
Dress Properly – Do not wear loose clothing or jewelry. They can be caught in
moving parts. Use of rubber gloves and substantial footwear is recommended
when working outdoors. Wear protective hair covering to contain long hair.
Use Safety Glasses – Always use a face or dust mask if operation is dusty.
Use the Right Tool– Do not use the tool for any job except that for which it is intended.
Don’t Force the Trimmer – It will do the job better and with less likelihood of a
risk of injury at the rate for which it was designed.
Don’t Overreach – Keep proper footing and balance at all times.
Stay Alert – Watch what you are doing. Use common sense. Do not operate the
trimmer when you are tired.
Do not operate the trimmer while under the inuence of alcohol or drugs.
Keep guards in place and in working order.
Keep hands and feet away from the cutting area.
Store Trimmer Indoors – When not in use the trimmer should be stored indoors
in a dry and high or locked-up place with the battery pack removed – out of reach
of children.
Maintain Trimmer With Care – Keep the cutting attachment clean for best
performance and to reduce the risk of injury. Follow instructions for changing
accessories. Keep handles dry, clean, and free from oil and grease.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER8
Check Damaged Parts – Before further use of the trimmer, 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.
Clear the area to be cut before each use. Remove all objects such as rocks, broken
glass, nails, wire, or string that can be thrown or become entangled in the cutting
attachment. Make sure that other persons and pets are at least 100 ft. (30.5m) away.
Always hold the trimmer rmly, with both hands on the handles while operating.
Wrap your ngers and thumbs around the handles.
Avoid Accidentally Starting–Don’t carry the trimmer with your nger on the trigger.
Do not operate the trimmer in gaseous or explosive atmospheres. Motors in these
appliances normally spark, and the sparks might ignite fumes.
Damage to Trimmer– If you strike a foreign object with the trimmer or it becomes
entangled, stop the tool immediately, check for damage and have any damage
repaired before further operation is attempted. Do not operate with a broken
guard or spool.
If the equipment should start to vibrate abnormally, stop the motor and check
immediately for the cause. Vibration is generally a warning of trouble. A loose
head may vibrate, crack, break or come off the trimmer, which may result in
serious or fatal injury. Make sure that the cutting attachment is properly xed
in position. If the head loosens after xing it in position, replace it immediately.
Never use a trimmer with a loose cutting attachment.
Replace a cracked, damaged or worn-out cutting head immediately, even if
damage is limited to supercial cracks. Such attachments may shatter at high
speed and cause serious or fatal injury.
Check the cutting attachment at regular short intervals during operation, or
immediately if there is a noticeable change in cutting behavior.
When replacing the cutting line, use only EGO AL0800 or AL0801 0.080" nylon
line; using heavier lines than recommended by the manufacturer increases the
load on the motor and reduces its operating speed. This results in overheating
and damage to the trimmer.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 9
To reduce the risk of serious injury, never use wire or metal-reinforced line or
other material in place of the nylon cutting lines. Pieces of wire could break off
and be thrown at high speed toward the operator or bystanders.
To reduce the risk of injury from loss of control, never work on a ladder or on any
other insecure support. Never hold the cutting attachment above waist height.
If situations occur that are not covered in this manual, use care and good
judgment. Contact the EGO Service Center for assistance.
Do not charge the battery pack in rain, or in wet locations.
Use only with battery packs and chargers listed below:
BATTERY CHARGER
BA2240
BA1120
CH5500
CH2100
Do not dispose of the battery in a re. The cells 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.
Replacement Parts – When servicing, use only identical EGO replacement parts.
Use of any other accessory or attachment may increase the risk of injury
Battery tools do not have to be plugged into an electrical outlet; therefore, they
are always in operating condition. Be aware of possible hazards even when the
tool is not operating. Take care when performing maintenance or service.
Remove or disconnect battery pack before servicing, cleaning or removing
material from the trimmer.
Do not wash with a hose; avoid getting water in motor and electrical connections.
Save these instructions. Refer to them frequently and use them to instruct others
who may use this tool. If you loan this tool to someone else, also loan these
instructions to them to prevent misuse of the product and possible injury.
SAVE THESE INSTRUCTIONS!
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER10
introduction
Congratulations on your selection of 56-Volt Lithium-Ion Cordless 12" String Trimmer.
It has been designed, engineered and manufactured to give you the best possible
dependability and performance.
Should you experience any problem you cannot easily remedy, please contact
EGO customer service center 1-855-EGO-5656.
This manual contains important information on to the safe assembly, operation and
maintenance of your string trimmer. Read it carefully before using the string trimmer.
Keep this manual handy so you can refer to it at any time.
SERIAL NUMBER _____________________ DATE OF PURCHASE _________________
YOU SHOULD RECORD BOTH SERIAL NUMBER AND DATE OF PURCHASE AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE
sPecifications
Voltage 56V DC
No-load speed 6000 RPM
Cutting Mechanism Bump Head
Cutting Line Type EGO AL0800 or AL0801 0.080" nylon line (2.0mm)
Cutting Width 12 in. (300mm)
Weight (Without battery pack) 6.28 lb (2.85kg)
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 11
assemblY
WARNING:
If any parts are damaged or missing, do not operate this product
until the parts are replaced. Use of this 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 string trimmer. Any such alteration or modication
is misuse and could result in a hazardous condition leading to possible serious
personal injury.
WARNING:
To prevent accidental starting that could cause serious personal
injury, always remove the battery pack from the tool when assembling parts.
UNPACKING
This product requires assembly.
Carefully remove the product and any accessories from the box. Make sure that
all items listed in the packing list are included.
Inspect the tool carefully to make sure that no breakage or damage occurred
during shipping.
Do not discard the packing material until you have carefully inspected and
satisfactorily operated the tool.
If any parts are damaged or missing, please return the product to the place
of purchase.
Packing list
PART NAME QUANTITY
String Trimmer 1
Guard 1
Front-assist handle assembly 1
Operating manual 1
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER12
MOUNTING THE GUARD
WARNING:
Always wear gloves
when mounting or replacing the guard.
Take care of the blade on the guard and
protect your hand from cutting.
1. Remove the battery pack from
the trimmer.
2. Position your trimmer so that the
trimmer head faces up.
3. Loosen and remove the two screws
from the motor housing with a
Phillips screwdriver (available
separately) (Fig. 1).
4. Align the ribs of the guard with the
guide slots in the motor housing and
push the guard in place (Fig. 2).
5. Lock the guard with two screws
(Fig. 3).
1
2
3
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 13
MOUNTING AND ADJUSTING THE FRONT-ASSIST HANDLE
1. Remove the battery pack from
the trimmer.
2. Loosen the four screws in the
handle with a Phillips screwdriver
(available separately) and remove
the screws, spring washers, at
washers and lower clamp from the
handle (Fig. 4).
3. Attach the front-assist handle and
lower clamp on the shaft and secure
them by pre-tightening the four
screws. Turn the front-assist handle
upwards to point toward the top of
the handle (Fig. 5).
4. Adjust the front-assist handle
position between the rear handle
housing and warning label on the
shaft, as shown in Fig. 5. Shorter
users may adjust handle to a lower
position (away from you) and taller
users may adjust the handle to an upper position (towards you). The handle
should be adjusted so that your front arm is straight when using the trimmer.
5. Tighten the four screws so that the handle cannot be rotated on the shaft.
4
Front-Assist Handle
Lower Clamp
5
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER14
descriPtion
KNOW YOUR STRING TRIMMER (Fig. 6a, 6b)
The safe use of this product requires an understanding of the information on the
tool and in this operator’s manual, as well as knowledge of the project you are
attempting. Before use of this product, familiarize yourself with all operating
features and safety rules.
WARNING:
Never operate the tool without the guard rmly in place. The guard
must always be on the tool to protect the user.
PUSH
PUSH
6a
6b
Shaft
Line-Cutting Blade
Guard
Adjustable Front-Assist Handle
Lock-Off Lever
Rear Handle
Trigger
Battery-Release
Button
Ejection Mechanism
Electric Contacts
Latch
Bump Head (Cutting Head)
Bump Knob
Bump Protector
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 15
ADJUSTABLE FRONT-ASSIST HANDLE
For easy control of the trimmer during cutting.
REAR HANDLE
Ergonomic handle with overmold improves comfort and grip.
TRIGGER
To turn the string trimmer On and Off.
LOCK-OFF LEVER
Helps prevent accidental or unauthorized activation of the trigger. It must be
depressed before the trigger can be activated.
SHAFT
Encloses and protects the cables between the motor and rear handle.
BUMP HEAD (CUTTING HEAD)
The cutting attachment for cutting grass.
BUMP KNOB
Lightly tap the bump knob on the ground while operating the trimmer to release the
cutting line.
GUARD
Designed to reduce the risk of injury from foreign objects ung backwards toward the
operator by the cutting attachment and from contact with the cutting attachment.
BUMP PROTECTOR
Limits the cutting range and reduces cutting line wear.
LINE CUTTING BLADE
Steel blade on the guard keeps the cutting line at the proper length.
BATTERY RELEASE BUTTON
Press to release the battery pack from the tool.
LATCH
Locks the battery pack when installing it on the tool.
EJECTION MECHANISM
Aids in battery removal.
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER16
oPeration
WARNING:
Do not allow familiarity with this product to make you careless.
Remember that a careless fraction of a second is sufcient to inict serious injury.
WARNING:
Always wear eye protection with side shields marked to comply with
ANSI Z87.1, along with hearing protection. Failure to do so could result in objects being
thrown into your eyes and other possible serious injuries.
WARNING:
Do not use any attachments or accessories not recommended
by the manufacturer of this product. The use of attachments or accessories not
recommended can result in serious personal injury.
TO INSTALL/REMOVE BATTERY PACK (Fig. 7 & 8)
WARNING:
Always remove the battery pack from the product when you are
assembling parts, making adjustments, cleaning, or when not in use. Removing the
battery pack will prevent accidental starting that could cause serious personal injury.
NOTE: Fully charge the battery pack before rst use.
To install (Fig. 7)
Align the ribs of the battery pack
with the mounting slots in the string
trimmer’s battery port.
Press the battery pack toward the
cutting head until it snaps into
position.
NOTE: Make sure that the latch on the
string trimmer snaps into place and the
battery pack is secured to the tool before
beginning operation.
7
Mounting Slot
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 17
To remove (Fig. 8)
WARNING:
Always take care of your feet and children or pets around you when
pressing the battery release button.
Serious injury could result if the battery
pack falls. NEVER remove the battery
pack at a high location.
Hold the battery pack in the
palm of your hand.
Press the battery release button
with your thumb; the battery pack
will disengage from the latch.
Grasp the battery pack and remove
it from the string trimmer.
HOLDING THE STRING TRIMMER
WARNING:
Dress properly to
reduce the risk of injury when operating
this tool. Do not wear loose clothing
or jewelry. Wear eye and ear/hearing
protection. Wear heavy, long pants,
boots and gloves. Do not wear short
pants, sandals or go barefoot.
Before operating the unit, stand in the
operating position and check that:
The operator is wearing eye
protection and proper clothing.
One arm is slightly bent, and the
hand on that arm is holding the
rear handle.
The other arm is straight, with
that hand holding the front-assist
handle.
The trimmer head is parallel to the ground and easily contacts the material to be
cut without the operator having to bend over (Fig. 9).
Press to Release
8
9
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER18
STARTING/STOPPING THE STRING TRIMMER
Before starting the string trimmer
Make sure you have a secure and balanced footing.
Stand upright and hold the string trimmer in a relaxed position.
Make sure that the cutting line is not touching the ground or any other objects.
Hold the string trimmer with both hands: One hand on the rear handle and one
hand on the front-assist handle.
To start the string trimmer
(Fig. 10)
1. Press down the lock-off lever and
hold it in that position.
2. Depress the trigger to turn on the
string trimmer.
The motor runs only when the lockoff lever and trigger are operated
simultaneously.
To stop the string trimmer
Release the lock-off lever and trigger to stop the string trimmer.
WARNING:
Always remove the battery pack from the string trimmer
during work breaks and after nishing work.
USING THE STRING TRIMMER
WARNING:
To avoid serious personal injury, wear goggles or safety glasses at
all times when operating this unit. Wear a face mask or dust mask in dusty locations.
Clear the area to be cut before each use. Remove all objects, such as rocks, broken
glass, nails, wire, or string, that can be thrown or become entangled in the cutting
attachment. Clear the area of children, bystanders, and pets. At a minimum, keep all
children, bystanders and pets at least 100 feet (30.5m) away; there still may be risk
to bystanders from thrown objects. Bystanders should be encouraged to wear eye
protection. If you are approached, stop the motor and cutting attachment immediately.
10
Lock-off Lever
Trigger
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER 19
WARNING:
To prevent serious personal injury, remove the battery pack
from the tool before servicing, cleaning, changing attachments or removing material
from the unit.
Before each use check for damage/worn parts
Check the bump head, guard and front-assist handle and replace the parts that are
cracked, warped, bent, or damaged in any away.
The line-cutting blade on the edge of the guard can dull over time. It is recommended
that you periodically sharpen it with a le or replace it with a new blade.
WARNING:
Always wear gloves when mounting or replacing the guard, or
sharpening or replacing the blade. Take care of the blade on the guard and protect
your hand from cutting.
After each use, clean the trimmer.
WARNING:
To prevent serious personal injury, remove the battery pack
from the tool before servicing, cleaning, changing attachments or removing material
from the unit.
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.
Wipe off the unit with a clean, dry,
soft cloth.
Keep air vents in the motor housing
and shaft free from debris at all
times (Fig. 11).
CAUTION:
Obstructions in the
vents will prevent the air from owing
into the motor housing and result in
overheating or damaged of the motor.
WARNING:
Never use water for cleaning your trimmer. Avoid using solvents
when cleaning plastic parts. Most plastics are susceptible to damage from various
types of commercial solvents. Use clean cloths to remove dirt, dust, oil, grease, etc.
11
Air vents in
motor housing
Air vents
in shaft
56V LITHIUM-ION CORDLESS 12" STRING TRIMMER20
Tips for best trimming results (Fig. 12)
The correct angle for the cutting
attachment is parallel to the ground.
This string trimmer allows you to
rest the bump knob on the ground
for operating more comfortably.
Do not force the trimmer. Allow the
very tip of the line to do the cutting
(especially along walls). Cutting with
more than the tip will reduce cutting
efciency and may overload the
motor.
The cutting height is determined by the distance of the cutting line from the lawn
surface.
Grass over 8 inches (200 mm) should be cut by working from top to the bottom in
small increments to avoid premature line wear or motor drag.
Slowly move the trimmer into and out of the area being cut, maintaining the
trimmer at the desired cutting height. This can be either a forward backward or
side-to-side motion. Cutting shorter lengths produces best results.
Trim only when grass and weeds are dry.
Wire and picket fences can cause extra string wear or breakage. Stone and brick
walls, curbs, and wood may wear strings rapidly.
Avoid trees and shrubs. Tree bark, wood moldings, siding, and fence posts can
easily be damaged by the strings.
12
Direction of
rotation
Dangerous
cutting area
Best cutting
area
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