EarthQuake CS4518B User Manual
Operator's Manual
Original Operating
Instructions
Chainsaw
CS4518B
WARNING
BEFORE USING OUR PRODUCTS,
READ THIS MANUAL CAREFULLY TO
UNDERSTAND THE PROPER USE OF
YOUR UNIT.
Get parts online at www.getearthquake.com
P/N: 20432
ECN: 10540
REV1: 07/25/14
© 2014 Ardisam, Inc.
All Rights Reserved
Operator's Manual
CS4518B CHAINSAW
INTRODUCTION
Thank You....
for purchasing a chainsaw from Earthquake. We have worked to ensure that this chainsaw meets high standards for usability and
durability. With proper care, your chainsaw will provide many years of service. Take the time to read this manual carefully to learn
how to correctly operate and maintain your chainsaw. This manual should be considered a permanent part of your chainsaw. Due
to continuous eort to perfect our product, certain procedures and specications are subject to change without notice.
CONTENTS
Registration ........................................................................................................................................................................................................................................2
Warnings and Safety Precautions .........................................................................................................................................................................................3-11
Features .............................................................................................................................................................................................................................................12
Specications ...................................................................................................................................................................................................................................13
Assembly ...........................................................................................................................................................................................................................................14
Operation ................................................................................................................................................................................................................................... 15-16
Maintenance and Storage .................................................................................................................................................................................................... 17-20
Troubleshooting and Repair ................................................................................................................................................................................................20-21
Parts Breakdown ...................................................................................................................................................................................................................... 22-26
Declaration of Conformity ..........................................................................................................................................................................................................27
Warranty ..................................................................................................................................................................................................................................... 29-31
Record the model number and serial number in the space provided for easy reference. SEE FIGURE 1. Warranty is valid only if the
completed registration is received by Ardisam within 30 days of purchase. You can register your warranty online by visiting www.
getearthquake.com. If you do not have a computer, call our customer service department at (800) 345-6007 Mondays through
Fridays from 8 a.m. to 5 p.m. CST.
Registration, Service And Maintenance Log
OWNERSHIP RECORDS
Owner’s Name:
Owner’s Address:
SERIAL NUMBER
City: State/Province: Zip/Postal Code:
Model Number: Serial Number:
X0X0X0X0X0X0X0X
Date of Purchase:
Notes:
FIGURE 1
Federal Emission Information
Earthquake warrants to the retail purchaser, that this small, o-road engine was designed, built and equipped to conform at the
time of initial sale to all applicable regulations of the U.S. Environmental Protection Agency (EPA). All weights, specications, and
features are approximate and are subject to change without notice. Due to continuous product improvements, product image
may not be exact items.
This manual may contain information for several models. Read and keep this manual for future reference. This manual contains
important information on SAFETY, ASSEMBLY, OPERATION, AND MAINTENANCE. The owner must be certain that all the product
information is included with the unit. This information includes the MANUAL, the REPLACEMENT PARTS and the WARRANTIES. This
information must be included to make sure state laws and other laws are followed. This manual should remain with the engine
even if it is resold.
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WARNINGS AND SAFETY PRECAUTIONS
Operator's Responsibility
Accurate assembly and safe and eective use of the machine is
the operator's responsibility.
• Read and follow all safety instructions.
• Carefully follow all assembly instructions.
• Maintain the machine according to directions and
schedule included in this operator’s manual.
• Ensure that anyone who uses the machine is familiar
with all controls and safety precautions.
Special Safety Messages
Your manual contains special messages to bring attention to
potential safety concerns, machine damage as well as helpful
operating and servicing information. Read all the information
carefully to avoid injury and machine damage.
Operator's Manual
CS4518B CHAINSAW
WARNING
WARNING INDICATES A HAZARD WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR SERIOUS
INJURY TO PERSONNEL AND/OR PROPERTY
DAMAGE.
CAUTION
CAUTION INDICATES YOUR EQUIPMENT CAN BE
DAMAGED IF THE SAFETY INSTRUCTIONS THAT
FOLLOW THIS SIGNAL WORD ARE NOT OBEYED.
IMPORTANT
INDICATES HELPFUL INFORMATION FOR PROPER
ASSEMBLY, OPERATION, OR MAINTENANCE OF
YOUR EQUIPMENT.
NOTE: General information is given throughout the
manual that may help the operator in the
operation or service of the machine.
This symbol points out important safety
instructions which if not followed could endanger
your personal safety.
Before Operating Engine:
WARNING
READ ENTIRE OPERATING AND MAINTENANCE
INSTRUCTIONS FOR THIS PRODUCT. FAILURE
TO FOLLOW INSTRUCTIONS COULD RESULT
IN SERIOUS INJURY OR DEATH. OPERATE
THE ENGINE ACCORDING TO THE SAFETY
INSTRUCTIONS OUTLINED HERE AND INSERTED
THROUGHOUT THE TEXT. ANYONE WHO USES
THIS PRODUCT MUST READ THE INSTRUCTIONS
AND BE FAMILIAR WITH THE CONTROLS.
WARNING
CALIFORNIA PROPOSITION 65 WARNING
ENGINE EXHAUST FROM THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS,
OR OTHER REPRODUCTIVE HARM.
WARNING
YOU MUST READ, UNDERSTAND AND COMPLY
WITH ALL SAFETY AND OPERATING INSTRUCTIONS
IN THIS MANUAL BEFORE ATTEMPTING TO SETUP
AND OPERATE YOUR MACHINE.
FAILURE TO COMPLY WITH ALL SAFETY AND
OPERATING INSTRUCTIONS CAN RESULT IN LOSS
OF MACHINE CONTROL, SERIOUS PERSONAL
INJURY TO YOU AND/OR BYSTANDERS, AND RISK
OF EQUIPMENT AND PROPERTY DAMAGE. THE
TRIANGLE IN THE TEXT SIGNIFIES IMPORTANT
CAUTIONS OR WARNINGS WHICH MUST BE
FOLLOWED.
Intended Use /
Foreseeable Misuse
This machine is a saw that utilizes a toothed, rotating chain
powered by an IC engine to be used in the cutting of cordwood. This product shall not be used for any other purpose.
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Operator's Manual
CS4518B CHAINSAW
General Safety Rules
• Read, understand, and follow all instructions on the
machine and in the manual(s). Be thoroughly familiar
with the controls and the proper use of the machine
before starting.
• Use this equipment for its intended purpose only.
• Familiarize yourself with all of the safety and operating decals on this equipment and on any of its attachments or accessories.
• Do not put hands or feet near or under rotating parts.
• Only allow responsible individuals who are familiar
with the instructions to operate the machine. Do not
allow children to operate this machine. Do not allow
adults to operate the machine without proper instruction.
• Thoroughly inspect the area where the machine is to
be used and remove all foreign objects. Your equipment can propel small objects at high speed causing
personal injury or property damage. Stay away from
breakable objects, such as house windows, automobiles, greenhouses, etc.
• When operating the machine, wear appropriate clothing such as a long-sleeved shirt or jacket. Also wear
long trousers or slacks. Do not wear shorts. Never
wear sandals, sneakers, or open shoes, and never
operate the machine with bare feet.
• Do not wear loose clothing or jewelry. They can get
caught in moving parts. Always keep hands, feet, hair
and loose clothing away from any moving parts on
engine and machine.
• Always wear safety goggles or safety glasses with side
shields when operating the machine to protect your
eyes from foreign objects which can be thrown from
the unit. Always wear a protective hearing device.
• Always wear work gloves and sturdy footwear. Wear
footwear that will improve footing on slippery surfaces. Leather work shoes or short boots work well for
most people. These will protect the operator’s ankles
and shins from small sticks, splinters, and other debris.
• It is advisable to wear protective headgear to prevent
the possibility of being struck by small ying particles,
or being struck by low hanging branches, twigs, or
other objects which may be unnoticed by the operator.
• Do not operate the machine without proper guards or
other safety protective devices in place.
• See manufacturer’s instructions for proper operation
and installation of accessories. Only use accessories
approved by the manufacturer.
• Operate only in daylight or good articial light.
• Do not operate product when fatigued or under the
inuence of alcohol, drugs or other medication which
can cause drowsiness or aect your ability to operate
this machine safely.
• Never operate machine in wet grass. Always be sure
of your footing; keep a rm hold on the handle and
walk; never run.
• Watch for trac whenever you are operating near, or
when
crossing roads.
• If the equipment should start to vibrate abnormally,
stop the engine (motor), disconnect the spark plug
wire and prevent it from touching the spark plug.
Check immediately for cause. Vibration is generally a
warning of trouble. If the noise or vibrations of the
machine increase, stop immediately and perform an
inspection.
• Never leave the machine unattended when the engine is running. Remove the wire from the spark plug.
• Regularly inspect the machine. Make sure parts are
not bent, damaged or loose. Keep all screws, nuts and
bolts tight.
• Temperature of muer and nearby areas may exceed
150° F (65° C). Allow muer and engine areas to cool
before touching.
• Do not transport the machine from one place to another with the engine running.
• Prolonged exposure to noise and vibration from gasoline
engine-powered equipment should be avoided. Take
intermittent breaks and/or wear ear protection from
engine noise as well as heavy work gloves to reduce
vibration in the hands.
• When moving the packaged machine, always do so
with a partner.
• Check local regulations for age restrictions on use of
this machine.
Product-Specic Safety Rules
• After striking a foreign object, stop the engine.
Remove the wire from the spark plug. Inspect the
chainsaw for damage. If damaged, repair before starting and operating the chainsaw.
• The cutting chain of the chainsaw should not rotate
when the engine is idling. If it does rotate when engine is idling, contact Earthquake for instructions.
Check for parts online at www.getearthquake.com or call 800-345-6007 M-F 8-54
• If an object becomes lodged in the saw, turn engine
o, remove the wire from the spark plug and secure,
allow to cool before attempting to remove the foreign
object.
• The clutch will transfer maximum power after about
two hours of normal operation. During this break-in
period clutch slippage may occur. The clutch should
be kept free of oil or other moisture for ecient
operation.
• Never cut in high wind, bad weather, when visibility
is poor, or in very low temperatures. Always check
the tree for dead branches that could fall during the
felling operation.
• Never start cutting until you have a clear work area,
secure footing and a planned retreat path away from
the falling tree.
• Always hold the chainsaw rmly with both hands
when the engine is running. Use a rm grip with
thumb and ngers encircling the chainsaw handles.
• When carrying from one place to another, always stop
the engine and hold the saw with the guide bar and
saw chain behind you and the muer away from your
body.
• Always inspect the chainsaw for worn, loose, or damaged parts. Never operate a chainsaw that has been
damaged, improperly adjusted, or is not completely
and securely assembled.
• Use extreme caution when cutting small brush and
saplings. Thinner material may be caught by the
chain and could whip back toward you or pull you o
balance.
• When cutting limbs under tension, stay alert for
“spring back” so you are not struck when the tension
in the wood bers is released.
• Always shut o the engine before setting the chainsaw down.
• Keep the handles dry, clean, and free of lubricants, oils
and fuel.
Kickback
Kickback may occur when the guide
bar nose or tip comes into contact with
a foreign object, or when the “saw kerf”
(gap in the wood being cut) closes in
on the bar and pinches the saw chain.
Operator's Manual
CS4518B CHAINSAW
Tip contact in some cases may cause a
lightning-fast reverse action, kicking the
guide bar up and back toward the operator.
Pinching the saw chain along the top of the
guide bar may push the guide bar and the
saw unit backward toward the operator.
Either of these reactions may cause the
operator to lose control of the chainsaw,
which could result in serious personal injury
or death.
Do not rely exclusively on the safety devises
built into your saw. As a chainsaw user, it is
your responsibility to understand the inherent dangers of chainsaw use and the precautions necessary to minimize those dangers.
Precautions to Avoid Kickback:
• Always grip the chainsaw rmly with both hands; the
right hand on the rear handle, and the left hand on
the forward grip.
• Make certain the area in which you are cutting is free
from obstructions. Do not let the guide bar nose
come into contact with a log, branch, rock or other
objects while cutting. Such contact could result in a
kickback.
• Always make cuts at high engine speeds.
• Do not over-reach or cut above shoulder height.
• Always maintain a sharp and clean saw chain. Follow
manufacturer’s sharpening and maintenance instructions for the saw chain.
• Only use replacement bars and chains specied by
the manufacturer or an appropriate equivalent.
Sawing
• This saw is provided for the sole intended purpose of
cutting wood. Do not cut other materials with this
saw.
• Do not attach other tools or accessories to the output
shaft of the power unit. Doing so will void the manufacturer’s warranty.
• Do not apply excessive pressure to force the saw
through the cut. Run the engine at full throttle and
apply only light pressure.
• Always maintain a rm footing.
• Never cut from a stepladder or while in a tree.
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• Never use the guide bar as a means to lift, pry, move
or split objects.
• Never mount the chainsaw on a xed stand.
• If the guide bar and saw chain become pinched in a
cut, do not race the engine or pull the saw out of the
cut by force. Use a wedge or lever to open the cut
and pull the saw free.
Felling a Tree
• Felling refers to the process of cutting down a
standing tree. Numerous factors must be taken into
consideration when felling a tree. First consider the
environmental factors which will determine the felling direction:
• Wind is a major determining factor of felling direction.
• Location and number of heavy branches and the lean
of the tree.
• Ease of bucking and clean-up after felling
• Nearby standing timber in which the felled tree could
hang up.
• Location of power, telephone and data utilities, buildings, roads, bodies of water, property lines, etc.
• Wood structure and condition (i.e. rotten heartwood
or core).
• Keep all bystanders at least 2-1/2 tree lengths away
from the base of the tree to be cut. This area is considered a danger zone and must be avoided before
and during the felling operation.
Retreat Path
• Plan two (2) retreat paths away from the felling
direction of the tree. Do not retreat in the opposite
direction from the falling tree. Instead, retreat at a
45-degree angle to either side.
• Clear the retreat paths of all obstacles.
• Place all excess tools and equipment a safe distance
from the tree, but not in the retreat paths.
Felling Notch
The felling notch (1) is the rst cut when felling a tree. SEE FIGURE
2. The notch will act as a hinge and will direct the tree to fall in
the desired direction.
1. Begin the felling notch (1) by lining up the guide bar
perpendicular to the desired felling direction.
2. Make a downward cut at 45-degress to a depth of
about 1/5 to 1/4 of the overall diameter of the tree.
3. Finish the notch by making a horizontal cut
perpendicular to the desired felling direction.
4. Remove the resultant piece.
Operator's Manual
CS4518B CHAINSAW
FIGURE 2
Felling Cut
Alert others in the area of imminent danger of the falling tree.
Double check that no one has entered the area in the
felling direction. SEE FIGURE 2.
1. Begin the felling cut (2) by making a horizontal cut
perpendicular to the intended felling direction and
approximately 1-2 inches above the bottom of the
felling notch.
2. Leave approximately 1/10 of the tree’s diameter uncut.
This will form the hinge.
3. Drive plastic or wooden wedges into the felling cut to
control the fall.
4. As the tree begins to fall, alert others and immediately
evacuate the area around the tree.
Limbing a Felled Tree
“Limbing” refers to removing the limbs from a fallen tree. There is an
extremely high danger of kickback during the limbing operation. Do
not work with the nose of the guide bar, as this could cause a kickback.
Use extreme caution and avoid contact between the nose of the bar
and the log or other limbs. Do not stand on the log while limbing it as
the log may roll as limbs are removed and the center of gravity shifts.
Start limbing by removing limbs from the top side of the log,
leaving limbs on the bottom to support the log up o the ground.
Limbs under tension may pinch the guide bar and saw chain.
Shut o the engine and lift the limb to remove the bar safely.
Bucking a Log
“Bucking” is the cross-cut operation of cutting a log into usable
sections. Do not stand on the log while bucking as it may
roll. When bucking on a slope, stand uphill of the log in case it
begins to roll unexpectedly. Cut only one log at a time.
• When bucking small logs, place them in a “V” shaped
bucking horse to keep them at a working level. Never
allow a bystander to hold the log. Never hold the log
with your leg or foot.
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Operator's Manual
CS4518B CHAINSAW
WARNING
BE CAREFUL WHEN CUTTING TREES WITH ROTTEN
HEARTWOOD THE CORE OF THE TREE. THERE
IS AN INCREASED RISK THAT THE TREE COULD
SNAP OR SPLIT UNEXPECTEDLY DURING THE CUT.
CHECK FOR DEAD OR ROTTEN LIMBS BEFORE
BEGINNING THE CUT. DEAD LIMBS CAN VIBRATE
LOOSE FROM THE TREE AND FALL, STRIKING THE
OPERATOR.
CAUTION
LOGS AND LIMBS UNDER TENSION CAN SPRING
BACK WHEN CUT LOOSE. THIS LIGHTNING FAST
ACTION COULD CAUSE A LOSS OF CONTROL OF
THE CHAINSAW.
ONLY TRAINED AND EXPERIENCED
PROFESSIONALS SHOULD FELL TREES NEAR
OVERHEAD LINES AND BUILDINGS. A SLIGHT
MISJUDGMENT OF WIND DIRECTION OR NATURAL
LEAN OF A TREE COULD RESULT IN MAJOR
PROPERTY DAMAGE.
DO NOT CUT THROUGH THE HINGE. CUTTING
THROUGH THE HINGE INCREASES THE RISK OF
LOSING CONTROL OF THE FELLING DIRECTION.
• To buck a log on at ground, make perpendicular cuts
through about half of the diameter of the log. Roll the
log and nish the cuts from the other side.
• To buck a pillowed or supported log, always make a
relieving cut through about 1/3 the diameter of the log
from the compressed side. Finish with a bucking cut
from the tension side of the log.
TIP: When cutting rewood, make sure you know the
optimum length of the nished rewood ahead of
time. Use the guide bar as an approximate length
gauge.
Pruning
Pruning is removing limbs from a standing tree, often for
purposes of maintaining a tree’s health or aesthetics. Always
work with a rm footing. Never cut from a stepladder. Do not
over reach. Do not cut above shoulder height.
1. Begin pruning by making a relief cut about 3 inches away
from the trunk of the tree to a depth of about 1/3 the
diameter of the branch.
2. Complete the cut from above, just inside of the initial
relief cut.
3. Finish pruning by making a smooth even cut nearly ush to
the trunk. It is recommended to only prune trees while they
are dormant in the fall and winter to reduce the risk posed
by disease or insects.
WARNING
ENGINES GIVE OFF CARBON MONOXIDE, AN
ODORLESS, COLORLESS, POISONOUS GAS.
CARBON MONOXIDE MAY BE PRESENT EVEN
IF YOU DO NOT SMELL OR SEE ANY ENGINE
EXHAUST. BREATHING CARBON MONOXIDE
CAN CAUSE NAUSEA, FAINTING OR DEATH, IN
ADDITION TO DROWSINESS, DIZZINESS AND
CONFUSION.
IF YOU EXPERIENCE ANY OF THESE SYMPTOMS,
SEEK FRESH AIR AND MEDICAL ATTENTION
IMMEDIATELY.
ENGINE FUEL CAN BE FLAMABLE AND
EXPLOSIVE.
ENGINE SAFETY PRECAUTIONS
If your product comes with a separate engine manual, be
sure to read and follow all safety and warning precautions
outlined there, in addition to any in this manual.
Preventing Carbon Monoxide Poisoning
• Always start and run engine outdoors. Do not start or
run engine in an enclosed area, even if doors or windows are open.
• Never try to ventilate engine exhaust indoors. Carbon
monoxide can reach dangerous levels very quickly.
• Never run engine outdoors where exhaust fumes may
be pulled into a building.
• Never run engine outdoors in a poorly ventilated area
where the exhaust fumes may be trapped and not
easily taken away. (Examples include: in a large hole
or areas where hills surround your working area.)
• Never run engine in an enclosed or partially enclosed
area. (Examples include: buildings that are enclosed
on one or more sides, under tents, car ports or basements.)
• Always run the engine with the exhaust and muer
pointed in the direction away from the operator.
• Never point the exhaust muer towards anyone.
People should always be a safe distance away from
the operation of the engine and its attachments.
• Do not change the engine governor settings or overspeed the engine.
Gasoline Fires and Handling Fuel Safely
• When storing extra fuel be sure that it is in an appropriate container and away from any re hazards.
• Prevent re and explosion caused by static electric
discharge. Use only nonmetal, portable fuel
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CAUTION
HOT GASES ARE A NORMAL BYPRODUCT OF A
FUNCTIONING CATALYTIC CONVERTER. FOLLOW
ALL SAFETY INSTRUCTIONS TO PREVENT BURNS
AND FIRES.
DO NOT ALTER/MODIFY ENGINE:
NEVER ALTER OR MODIFY THE ENGINE FROM
THE FACTORY. SERIOUS INJURY OR DEATH MAY
OCCUR IF ENGINE IS MODIFIED OR ALTERED.
WHEN WORKING ON OR REPLACING PARTS FOR
THE ENGINE OR PRODUCT, YOU MUST ALWAYS
DISCONNECT SPARK PLUG WIRE FROM THE SPARK
PLUG AND KEEP IT AWAY FROM THE SPARK PLUG.
containers approved by the Underwriter’s
Laboratory (U.L.) or the American Society for Testing
& Materials (ASTM).
• Always ll fuel tank outside in a well ventilated area.
Never ll your fuel tank with fuel indoors. (Examples
include: basement, garage, barn, shed, house, porch,
etc.) Never ll tank near appliances with pilot lights,
heaters, or other ignition sources.
• If the fuel must be drained, this should be done
outdoors. The drained fuel should be stored in a
container specically designed for fuel storage or it
should be disposed of properly.
• Never remove the fuel cap or add fuel with the engine running. Stop engine and allow to cool before
lling.
• Do not smoke while handling fuel.
• Never drain fuel from engine in an enclosed area.
• Always wipe up excess (spilled) fuel from engine
before starting. Clean up spilled fuel immediately. If
fuel is spilled, do not start the engine but move product and fuel container from area. Clean up spilled
fuel and allow to evaporate and dry after wiping and
before starting.
• Allow fuel fumes/vapors to escape from the area
before starting engine.
• Test the fuel cap for proper installation before starting and using engine.
• Always run the engine with fuel cap properly installed on the engine.
• Do not store engine with fuel in fuel tank indoors.
Fuel and fuel vapors are highly explosive.
Operator's Manual
CS4518B CHAINSAW
• Never pour fuel from engine fuel tank.
• Never siphon fuel by mouth to drain fuel tank.
• Always have an adult ll the fuel tank and never allow
children to ll the engine.
• Never allow an adult or anyone under the inuence of
drugs or alcohol to ll engine.
• When storing gasoline or equipment with fuel in the
tank, store away from furnaces, stoves, water heaters
or other appliances that have a pilot light or other ignition source because they can ignite gasoline vapors.
Burns and Fires
The muer, muer guard and other parts of the engine become extremely hot during the operation of the engine. These
parts remain extremely hot after the engine has stopped.
Prevention of Burns and Fires
• Never remove the muer guard from the engine.
• Never touch the muer guard because it is extremely
hot and will cause severe burns.
• Never touch parts of the engine that become hot after
operation.
• Always keep materials and debris away from muer
guard and other hot parts of the engine to avoid res.
• This engine is designed to operate using a catalytic
converter which contributes to the engine’s compliance with the EPA.
Children and bystanders
Tragic accidents can occur if the operator is not alert to the presence of children and/or bystanders. Never assume that others
will remain where you last saw them.
• Keep the area of operation clean of all persons, especially small children and pets. Keep children under
the watchful care of a responsible adult.
• Be alert and turn machine o if children enter the
area.
• Before and while moving backwards, look behind and
down for small children.
• Never allow children to operate the machine.
• Use extra care when approaching blind corners,
shrubs, trees, or other objects that may obscure vision.
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Service
• Always stop the engine whenever you leave the
equipment, before cleaning, repairing or inspecting
the unit. Engine should be turned o and cool, spark
plug wire must be removed from spark plug before
any repairs or adjustments are attempted. Never
make adjustments or repairs with the engine (motor)
running. Disconnect the spark plug wire, and keep
the wire away from the plug to prevent accidental
starting. Remove the ignition key if equipped with an
electric start.
• Always wear eye protection when you make adjustments or repairs.
• Keep all nuts and bolts tight and keep equipment in
good condition.
• Never tamper with safety devices. Check their proper
operation regularly.
• When servicing or repairing the machine, do not tip the
machine over or up unless specically instructed to do
so in this manual. Service and repair procedures can be
done with the machine in an upright position. Some
procedures will be easier if the machine is lifted on a
raised platform or working surface.
• To reduce re hazard, keep machine free of grass,
leaves, or other debris build-up. Clean up oil or fuel
spillage. Allow machine to cool before storing.
• Stop and inspect the equipment if you strike an object. Repair, if necessary, before restarting.
• Do not change the engine governor setting or overspeed the engine.
• Clean and replace safety and instruction decals as
necessary.
• To guard against engine over-heating, always have
engine debris lter mounted and clean.
• Inspect machine before storage. When not in use,
disconnect spark plug lead and store indoors in a dry
place locked or otherwise inaccessible to children.
• Use only original equipment parts from Earthquake,
including all nuts and bolts.
Operator's Manual
CS4518B CHAINSAW
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Operator's Manual
CS4518B CHAINSAW
SAFETY DECALS
Reading this manual and the safety instructions it contains will provide you with the necessary basic knowledge to operate this
equipment safely and eectively. Several safety labels are placed on the chainsaw to remind you of this important information
when you operate the unit.
These important safety labels are illustrated below, and are shown here to help familiarize you with the location and content of
the safety messages you will see as you perform normal cutting operations. Review these labels now. If you have any questions
regarding their meaning or how to comply with these instructions, reread the complete safety instruction text on the preceding
pages, or contact your local dealer.
Should any of the safety labels become unreadable because of being worn, faded, or otherwise damaged during the use of your
chainsaw, use the part number information provided to order a replacement label from your local authorized dealer.
The safety labels are easily applied, and will act as a constant visual reminder to you, and others who may use the equipment.
Follow the safety instructions necessary for safe, eective operation of your chainsaw.
(1) Read operator’s instruction book
before operating this machine.
(2) You must wear appropriate ear,
eye, and head protection.
(3) Use two hands when operating the
chainsaw.
(4) Warning! Danger of kickback.
(5) Read, understand and follow all
warnings.
For safe operation and maintenance, additional symbols
are engraved on the machine.
(6) Indicates the port for refueling the
gas/oil mixture.
Location: Near the fuel cap.
(8) Indicates the engine operation ON/
OFF switch. Flipping the switch to the
“O” position immediately stops the
engine.
Location: Near the rear at the left side of
the rear handle.
(9) Indicates the choke knob location.
Pull out the choke knob and the
choke closes; push in the choke knob
and the choke opens. (Sets High Idle.)
Location: Near the rear at the right side of the
rear handle.
(10) Indicates the oil pump adjustment
location. Turn the rod using a
screwdriver and follow the arrow to the
MAX position to increase chain oil ow.
Turning the rod to the MIN position
decreases chain oil ow.
Location: Bottom of the power unit.
(11) Indicates the directions that the chain
break is released (white arrow) and
activated (black arrow)
Location: Front of the chain cover.
(7) Indicates the port to rell the chain
oil.
Location: Near the oil cap
Check for parts online at www.getearthquake.com or call 800-345-6007 M-F 8-510
(12) Indicates the direction of the saw chain
installation.
Location: Front of the chain cover.
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