Snow Joe iON16CS User Manual

40-VOLT 16-INCH CORDLESS CHAIN SAW
Model iON16CS
A Division of Snow Joe®, LLC
IMPORTANT!
Safety Instructions
All Operators Must Read These Instructions Before Use
Read all the instructions contained in this manual. Keep this manual in a safe place, so that the information is available at all times. If you give the equipment to another person, make sure to provide these operating instructions. Basic safety precautions should always be followed to reduce the risk of
re, electric shock and personal injury.
Notice the personal safety alert symbol manual to draw your attention to a WARNING given along with the particular operating instruction. This means that the operation requires special ATTENTION, CAUTION and
AWARENESS.
Know Your Tool and Its Capabilities
This machine is a battery-powered portable chain saw that is designed for residential use.
This machine is composed of an electric motor, which drives a chain that runs on a bar.
The double braking system stops chain movement when the motor is stopped or in the event of kickbacks while working.
Intended use
This machine was designed and manufactured for felling, bucking and delimbing trees or cutting wooden
objects with dimensions suitable for the cutting bar's
capabilities.
Improper use
Any other use diering from the above mentioned applications
poses a serious hazard to the user and may damage both the tool and your personal property. Examples of improper use include, but are not limited to:
• trimming hedges;
• carving;
• sectioning pallets, crates and various packing materials;
• sectioning furniture or other materials with nails, screws or other metal components;
m used in this
OPERATOR’S MANUAL
• butchering meat;
• using the machine to lift, move or split objects;
• using the machine while fastened to xed supports.
Improper use of the machine will invalidate the warranty, relieve the manufacturer from all liabilities, and the user will
consequently be liable for all and any damage or injury to
himself/herself or others.
General Power Tool Safety Warnings
mWARNING! Read all safety warnings and all
instructions. Failure to follow the warnings and instructions
may result in electric shock, re 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.
Work area safety
1. Keep the work area clean and well-lit. Cluttered, dark
areas invite accidents.
2. Do not operate power tools in explosive atmospheres,
such as in the presence of ammable liquids, gases or
dust. Power tools create sparks ,which may ignite the dust or fumes.
3. Keep children, bystanders and pets a safe distance away from the power tool during operation and as the machine cools. Children must always be supervised to ensure that they do not play with the equipment.
Electrical safety
1. 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.
2. Do not expose power tools or chargers to rain or wet conditions. Water entering a power tool or charger will increase the risk of electric shock.
Personal safety
1. 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 inuence of drugs,
alcohol or medication. A moment of inattention while operating a power tool may result in serious personal
injury.
© 2014 by Snow Joe®, LLC All rights reserved. Original instructions.
SAVE THESE INSTRUCTIONS
1
2. Use personal protective equipment suited to your work
conditions to help reduce personal injuries. This includes
a dust mask, rubber gloves, non-skid safety shoes, a hard hat, safety glasses and hearing protection.
3. Prevent unintentional starting. Ensure that the machine
is switched o before inserting the battery, picking up or
carrying the power tool. Carrying the power tool with your
nger on the switch or tting the battery with the switch
“ON” can cause accidents.
4. Remove any adjusting key or wrench before turning on the
power tool. A wrench or a key left attached to a rotating
part of the power tool may result in personal injury.
5. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
6. Dress properly. Do not wear loose clothing or jewelry.
Keep your hair, clothing and gloves away from moving
parts. Loose clothes, jewelry or long hair can be caught in
moving parts.
7. If devices are provided for the connection of dust extraction and collection facilities, ensure these are properly connected and used. Use of dust collection devices can reduce dust-related hazards.
Power tool use and care
mWARNING! Turn o the power switch and disconnect
the battery before adjusting, inspecting, servicing or cleaning
the power tool, when changing accessories or when any other dangerous conditions present themselves. All maintenance
tasks should be performed after the power tool's rotating parts
have stopped completely. Such preventive safety measures reduce the risk of starting the power tool accidentally.
1. Do not force the power tool. Use the correct power tool for your application. The correct power tool will perform better with less likelihood of personal or mechanical damage if it is used at the rate for which it was designed.
2. Do not use the power tool if the switch does not turn it on
and o. Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
3. Remove the battery from its compartment before making
any adjustments, changing accessories, or storing the
power tool. Such preventive safety measures reduce the risk of starting the power tool accidentally.
4. Store idle power tools indoors in a dry, locked place out of the reach of children. Do not allow anyone who is unfamiliar with the power tool or these instructions access to the machine. Power tools are dangerous in the hands of untrained users.
5. Maintain power tools with care to ensure safe operation and optimal performance. Keep handles dry, clean and free from oil and grease. Check for misalignment or obstruction of moving parts, breakage of parts and any
other condition that may aect the power tool’s operation.
If damage is found, have the power tool repaired before
use. Many accidents are caused by poorly maintained
power tools.
6. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to
become jammed and are easier to control.
7. Use the power tool and accessories in accordance with these instructions, and be sure to take into account the working conditions and the work to be performed. Using the power tool for operations other than those intended could result in a hazardous situation.
8. Moving parts presents risks. Keep your face, hair, clothing, hands and feet away from all moving parts. All guards and safety attachments must be installed properly before
using the power tool. Shut o and disconnect the battery
before touching any parts other than the handles and the switch.
Service
• Have your power tool serviced by a qualied repair person at an authorized Snow Joe using only identical replacement parts or call the Snow Joe 1-866-SNOWJOE (1-866-766-9563). This will ensure that the safety of the power tool is maintained.
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+ Sun Joe® customer service center at
®
+ Sun Joe® dealer
Chain Saw Safety Warnings
• Keep all parts of the body away from the saw chain when
the chain saw is operating. Before you start the chain saw, make sure the saw chain is not contacting anything. A moment of inattention while operating the chain saw may cause entanglement of your clothing or body with the saw chain.
• Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle. Holding the chain saw with a reversed hand conguration increases the risk of personal injury and should never be done.
• Wear safety glasses and hearing protection. If you are
using the chain saw every day under normal conditions, you can be exposed to a noise level of 85 dB (A) or higher. Further protective equipment for head, hands, legs and feet is recommended. Adequate protective clothing will
reduce personal injury by ying debris or accidental
contact with the saw chain.
• Do not operate the chain saw in a tree. Operation of a chain saw while up in a tree may result in personal injury.
• Always keep proper footing and operate the chain saw only when standing on a xed, secure and level surface.
Slippery or unstable surfaces such as ladders may cause a loss of balance or control of the chain saw.
• When cutting a limb that is under tension, be cautious of spring back. When the tension in the wood bers is
released, the spring-loaded limb may strike the operator and/or throw the chain saw out of control.
• Use extreme caution when cutting brush and saplings.
The slender material may catch the saw chain and be
whipped toward you or pull you o balance.
2
• Carry the chain saw by the front handle with the chain saw switched o and away from your body. When transporting or storing the chain saw, always t the guide bar cover.
Proper handling of the chain saw will reduce the likelihood of accidental contact with the moving saw chain.
• Follow instructions for lubricating, chain tensioning and
changing accessories. An improperly tensioned or poorly lubricated chain may either break or increase the chance for kickback.
• Keep handles dry, clean and free from oil and grease.
Greasy, oily handles are slippery and can cause loss of control.
• Cut wood only. Do not use the chain saw for any other
purpose. For example, do not use the chain saw to cut plastic, masonry or non-wood building materials. Using the chain saw in these incorrect ways could result in serious damage to you and your tool.
Causes and Prevention of Kickback
Kickback may occur when the nose or tip of the guide bar
touches an object, or when the wood closes in and pinches
the saw chain in the cut. Tip contact in some cases may cause a sudden reverse reaction, kicking the guide bar up and back towards the operator.
Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator.
Either of these reactions may cause you to loose control of the
saw which could result in serious personal injury. Do not rely
exclusively upon the safety devices built into your saw.
As a chain saw user, you should take several steps to keep
your cutting jobs free from accident or injury.
Kickback is the result of tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as detailed below:
• Maintain a rm grip (right hand on the rear handle and left hand on the front handle with thumbs and ngers
encircling the respective handles) and position your body and arms to allow you to resist kickback forces. Kickback forces can be controlled by the operator, if proper precautions are taken. Do not let go of the chain saw.
• Do not overreach and do not cut above shoulder height.
This helps prevent unintended tip contact and enables better control of the chain saw in unexpected situations.
• Only use replacement bars and chains specied by the
manufacturer. Incorrect replacement bars and chains may cause chain breakage and/or kickback.
• Follow the manufacturer’s sharpening and maintenance
instructions for the saw chain. Decreasing the depth gauge height can lead to increased kickback.
• Always observe the safety regulations and follow the
correct sawing techniques.
• Ensure safe carrying of the chain saw. Whenever the
machine is to be handled or transported, you must:
– switch o the motor, remove the battery and wait for
the chain to stop;
mount the guide bar cover;
hold the machine using the hand grips and
position the bar in the opposite direction to that used during operation.
When using a vehicle to transport the machine, fasten
it rmly and position it so that it is not a danger to any
passengers.
• Before felling or delimbing for the rst time, make sure:
– you have been specically trained to use this type
of equipment;
you have carefully read the safety regulations and
user instructions contained in this manual;
you practice rst on logs on the ground or attached to trestles, in order to get familiar with the machine and the proper cutting techniques.
Battery & Charger Safety Instructions
We pay a great deal of attention to the design of every battery pack to ensure that we supply you with batteries that are safe, durable and have a high energy density. The battery cells have a wide range of safety devices. Each individual cell is initially formatted and its electrical characteristic curves are recorded. This data is then used exclusively to be able to assemble the best possible battery packs.
Despite all the safety precautions, caution must always be exercised when handling batteries. The following points must be obeyed at all times to ensure safe use. Safe use can only be guaranteed if undamaged cells are used. Incorrect handling of the battery pack can cause cell damage.
IMPORTANT! Analyses conrm that incorrect use and poor
care of high-performance batteries are the main factors responsible for personal and/or product damage.
mWARNING! Use only approved replacement batteries;
other batteries may damage the chain saw and cause it to
malfunction, which can lead to serious personal injury.
mCAUTION! To reduce the risk of injury, charge the
EcoSharp
designated lithium-ion charger, the iCHRG40. Other types of chargers present risk of re, personal injury and damage. Do
not wire a battery pack to a power supply plug or car cigarette lighter. Such misuse will permanently disable or damage the battery pack.
Avoid dangerous environments – Do not charge the
®
iBAT40 lithium-ion battery pack only in its
battery pack in rain, snow or in damp or wet locations. Do not use the battery pack or charger in the presence of
explosive atmospheres (gaseous fumes, dust or ammable
materials) because sparks may be generated when inserting
or removing the battery pack, which could lead to a re.
3
Charge in a well-ventilated area – Do not block the charger vents. Keep them clear to allow for proper
ventilation. Do not allow smoking or open ames near a
charging battery pack. Vented gases may explode.
NOTE: The safe temperature range for the battery is -4°F
(-20°C) to 113°F (45°C). Do not charge the battery outside
in freezing weather; charge it at room temperature.
Maintain charger cord – When unplugging the charger, pull
the plug, not the cord, from the receptacle to reduce the risk of damage to the electrical plug and cord. Never carry the charger by its cord or yank it by the cord to disconnect it from the receptacle. Keep the cord away from heat, oil and sharp edges. Make sure the cord will not be stepped
on, tripped over or subjected to damage or stress when the
charger is in use. Do not use the charger with a damaged cord or plug. Replace a damaged charger immediately.
Do not use an extension cord unless it is absolutely necessary – Using the wrong, damaged or improperly
wired extension cord poses a risk of re and electric shock.
If an extension cord must be used, plug the charger into a properly wired 16 gauge or larger extension cord with the female plug matching the male plug on the charger. Make sure that the extension cord is in good electrical condition.
Charger iCHRG40 is rated for 120 volt AC only – The charger must be plugged into an appropriate receptacle.
Use only recommended attachments – Use of an attachment not recommended or sold by the battery charger or battery pack manufacturer may result in risk of
re, electric shock or personal injury.
Unplug charger when not in use – Make sure to remove
battery packs from unplugged chargers.
mWARNING! To reduce the risk of electric shock,
always unplug the charger before performing any cleaning
or maintenance. Do not allow water to ow into the charger.
Use a Ground Fault Circuit Interrupter (GFCI) to reduce shock hazards.
Do not burn or incinerate battery packs – Battery packs may explode, causing personal injury or damage. Toxic
fumes and materials are created when battery packs are burned.
Do not crush, drop or damage battery packs – Do not use the battery pack or charger if they have sustained a sharp blow, been dropped, run over or have been damaged in any way (i.e. pierced with a nail, hit with a hammer, stepped on, etc.).
Do not disassemble – Incorrect reassembly may pose a serious risk of electric shock, re or exposure to toxic
battery chemicals. If the battery or charger are damaged, please contact an authorized Snow Joe or call the Snow Joe at 1-866-SNOWJOE (1-866-766-9563).
Battery chemicals cause serious burns – Never let a damaged battery pack contact the skin, eyes or mouth. If a damaged battery pack leaks battery chemicals, use rubber or neoprene gloves to safely dispose of it. If skin
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+ Sun Joe® customer service center
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+ Sun Joe® dealer
is exposed to battery uids, wash the aected area with
soap and water and rinse with vinegar. If eyes are exposed
to battery chemicals, immediately ush with water for 20
minutes and seek medical attention. Remove and dispose of contaminated clothing.
Do not short circuit – A battery pack will short circuit if a metal object makes a connection between the positive
and negative contacts on the battery pack. Do not place a battery pack near anything that may cause a short circuit, such as paper clips, coins, keys, screws, nails and other
metallic objects. A short-circuited battery pack poses a risk of re and severe personal injury.
Store your battery pack and charger in a cool, dry
place – Do not store the battery pack or charger where temperatures may exceed 104ºF (40ºC), such as in direct sunlight or inside a vehicle or metal building during the summer.
Information about the battery
1. The battery pack supplied with your cordless chain saw is
only partially charged. The battery pack has to be charged
completely before you use the tool for the rst time.
2. For optimum battery performance, avoid low discharge cycles by charging the battery pack frequently.
3. Store the battery pack in a cool place, ideally at 59°F (15°C) and charged to at least 40%.
4. Lithium-ion batteries are subject to a natural aging
process. The battery pack must be replaced at the latest
when its capacity falls to just 80% of its capacity when
new. Weakened cells in an aged battery pack are no longer capable of meeting the high power requirements needed for the proper operation of your chain saw, and therefore pose a safety risk.
5. Do not throw battery packs into an open re as this poses
a risk of explosion.
6. Do not ignite the battery pack or expose it to re.
7. Do not exhaustively discharge batteries. Exhaustive
discharge will damage the battery cells. The most common cause of exhaustive discharge is lengthy storage or non-use of partially discharged batteries. Stop working as soon as the performance of the battery falls noticeably or the electronic protection system triggers. Place the battery pack in storage only after it has been fully charged.
8. Protect batteries and the tool from overloads. Overloads will quickly result in overheating and cell damage inside the battery housing even if this overheating is not apparent externally.
9. Avoid damage and shocks. Immediately replace batteries that have been dropped from a height of more than one meter or those that have been exposed to violent shocks, even if the housing of the battery pack appears to be undamaged. The battery cells inside the battery may have
suered serious damage. In such instances, please read
the waste disposal information for proper battery disposal.
4
10. If the battery pack suers overloading and overheating, the integrated protective cuto will switch o the
equipment for safety reasons.
IMPORTANT! Do not press the ON/OFF switch any more
if the protective cut-o has been activated. This may
damage the battery pack.
11. Use only original battery packs. The use of other batteries
poses a re risk and may result in injuries or an explosion.
Information about the charger and the charging process
1. Please check the data marked on the rating plate of the
battery charger. Be sure to connect the battery charger to a power supply with the voltage marked on the rating
plate. Never connect it to a dierent mains voltage.
2. Protect the battery charger and its cord from damage. Keep the charger and its cord away from heat, oil and
sharp edges. Have damaged cords repaired without delay by a qualied technician at an authorized Snow Joe
Sun Joe customer service center at 1-866-SNOWJOE (1-866-766-9563).
3. Electrical plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with
grounded appliances. Unmodied plugs and matching
outlets will reduce the risk of electric shock.
4. Keep the battery charger, battery pack(s) and the cordless tool out of the reach of children.
5. Do not use the supplied battery charger to charge other cordless tools.
6. During periods of heavy use, the battery pack will become warm. Allow the battery pack to cool to room temperature before inserting it into the charger to recharge.
7. Do not overcharge batteries. Do not exceed the maximum charging times. These charging times only apply to discharged batteries. Frequent insertion of a charged or partially charged battery pack will result in overcharging and cell damage. Do not leave batteries in the charger for days on end.
8. Never use or charge batteries if you suspect that it has been more than 12 months since the last time they were charged. There is a high probability that the battery pack
has already suered dangerous damage (exhaustive
discharge).
9. Charging batteries at a temperature below 50°F (10°C) will
cause chemical damage to the cells and may cause a re.
10. Do not use batteries that have been exposed to heat during the charging process, as the battery cells may have
suered dangerous damage.
11. Do not use batteries that have suered curvature or
deformation during the charging process or those that exhibit other atypical symptoms (gassing, hissing, cracking, etc.)
®
dealer or call the Snow Joe® + Sun Joe®
®
+
12. Never fully discharge the battery pack (maximum recommended depth of discharge is 80%). A complete discharge of the battery pack will lead to premature aging of the battery cells.
Protection from environmental infuences
1. Wear suitable work clothes. Wear safety goggles.
2. Protect your cordless tool and the battery charger from
moisture and rain. Moisture and rain can cause dangerous cell damage.
3. Do not use the cordless tool or the battery charger near
vapors and ammable liquids.
4. Use the battery charger and cordless tools only in dry conditions and at an ambient temperature of 50-104°F (10-40°C).
5. Do not keep the battery charger in places where the temperature is liable to reach over 104°F (40°C). In particular, do not leave the battery charger in a car that is parked in the sunshine.
6. Protect batteries from overheating. Overloads, overcharging and exposure to direct sunlight will result in overheating and cell damage. Never charge or work with batteries that have been overheated – replace them immediately, if possible.
7. Store the charger and your cordless tool only in dry locations with an ambient temperature of 50-104°F (10-40°C). Store your lithium-ion battery pack in a cool, dry place at a temperature of 50-68°F (10-20°C). Protect the battery pack, charger and cordless tool from humidity and direct sunlight. Only place fully charged batteries in storage (charged to at least 40%).
8. Prevent the lithium-ion battery pack from freezing. Battery packs that were stored below 32°F (0°C) for more than 60 minutes must be discarded.
9. When handling batteries, be wary of electrostatic charge. Electrostatic discharges can damage the electronic protection system and the battery cells. Avoid electrostatic charging and never touch the battery poles.
5
Safety Symbols
The following table 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.
Symbols SymbolsDescriptions Descriptions
READ THE OPERATOR'S MANUAL(S) – Read,
understand and follow all instructions in the user manual(s) before attempting to assemble and operate.
DANGER! ROTATING BLADES – Keep hands and
feet away from openings while the saw is running.
m
SAFETY ALERT – Indicates a precaution, a warning or a danger.
WARNING! Do not expose the unit to rain or wet conditions.
Wear safety gloves during use to protect hands.
CAUTION! Avoid contacting the guide bar tip with any
object. Tip contact may
cause the guide bar to move suddenly upward and backwards, which may cause
serious injury to the user.
WEAR EYE AND HEARING PROTECTION – For protection
against injury, wear ear defenders
and safety goggles.
The rotating part will continuously run for several
seconds after you turn o the
machine.
Wear safety footwear at all times to provide protection
against objects that may
accidentally fall on feet.
WARNING! Two hands are always to be used when operating the chain saw.
Keep bystanders and children a safe distance away.
Double Insulation.
Correct direction of cutting teeth.
Indoor use only. Only use battery charger indoors.
6
Know Your Cordless Chain Saw
Read the owner’s manual and safety rules carefully before operating your cordless chain saw. Compare the illustration below to the actual unit in order to familiarize yourself with the location of the various controls and adjustments. Save this
manual for future reference.
1. Cutting bar sheath
2. Spiked bumper
3. Front hand guard
4. Front hand grip
5. Battery charge level indicator
6. Push button for battery indicator
®
7. EcoSharp
8. Push lock button
9. Rear hand grip
10. Chain/sprocket end cover
11. Ring nut
12. Chain tension adjustment knob
13. 16" (405 mm) Oregon guide bar
14. 16" (405 mm) Oregon chain
15. Oil tank cap
16. Oil level indicator window
17. Safety lock button
18. Trigger switch
19. EcoSharp
lithium-ion battery (iBAT40)
®
battery charger (iCHRG40)
4
5
6
7
8
9
12
11
10
3
2
14
13
1
19
15
16
17
18
Technical Data
Battery Voltage* 40 V D.C.
Battery Capacity 4.0 Ah
Charging Time 2.5 – 3 hours (for full charge)
Battery Run Time 25 – 40 min
No Load Speed 4,400 ± 10% rpm
Motor Brushless
*Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts.
Bar Chain Length 16 in. (405 mm)
Cutting Thickness (Max) 14.6 in. (371 mm)
Oil Tank Capacity 2.4  oz (70 ml)
Weight (chain saw alone) 9.5 lbs (4.3 kg)
Weight (chain saw with battery installed) 12.8 lbs (5.8 kg)
7
Unpacking
Bar and Chain Mounting
Carton Contents
• Cordless chain saw
®
• 40 V EcoSharp
• EcoSharp
• 16 in. (405 mm) Oregon chain (pre-mounted)
• 16 in. (405 mm) Oregon guide bar (pre-mounted)
• Cutting bar sheath
• Manual with registration card
1. Carefully remove the chain saw and check to see that all of the above items are supplied.
2. Inspect the product carefully to make sure no breakage or
damage occurred during shipping. If you nd damaged or
missing parts, DO NOT return the unit to the store. Please call the Snow Joe 1-866-SNOWJOE (1-866-766-9563).
NOTE: Do not discard the shipping carton and packaging
material until you are ready to use your new cordless chain saw. The packaging is made of recyclable materials. Properly dispose of these materials in accordance with local regulations.
IMPORTANT! The equipment and packaging material are not toys. Do not let children play with plastic bags, foils or small
parts. These items can be swallowed and pose a suocation
risk!
battery
®
battery charger
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+ Sun Joe® customer service center at
mWARNING! Always wear heavy-duty gloves when
handling the bar and chain. Mount the bar and chain very
carefully so as not to impair the safety and eciency of the
machine. If in doubt, contact an authorized Snow Joe Sun Joe service center at 1-866-SNOWJOE (1-866-766-9563).
®
dealer or call the Snow Joe® + Sun Joe® customer
®
+
mWARNING! Make sure the battery is not inserted in its
housing.
Before tting the guide bar, make sure the chain brake is not engaged; this is done by pulling the front hand guard back
towards the body of the machine.
1. Unscrew the chain tension adjustment knob and remove
the chain/sprocket end cover to expose the sprocket and
access the area where the guide bar needs to be tted
(Fig. 1).
Fig. 1
Assembly
WARNING! Mount the components very carefully to
m
ensure the safety and eciency of the machine. If in doubt,
contact an authorized Snow Joe call the Snow Joe 1-866-SNOWJOE (1-866-766-9563).
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+ Sun Joe® customer service center at
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+ Sun Joe® dealer or
mWARNING! Unpacking and assembly should be
completed on a at and stable surface, with adequate space
for moving the machine and its packaging.
For safety and transportation reasons, the lithium-ion battery is packed separately from the machine and is already partially charged. Charge the battery before using the tool following the instructions in the “Charging the battery” section.
Chain/sprocket end cover
Chain tension adjustment knob
2. Mount the chain in the right direction on the guide bar.
If the tip of the bar has a nose sprocket, make sure the drive links are correctly inserted in the sprocket rims (Fig. 2).
Fig. 2
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