R
Please do not return product to retailer.
Por favor, no devuelva el producto al lugar de compra. Veuillez ne pas retourner le produit au d??taillant.
Register your product online at:
Registre su producto en l??nea en:
Enregistrez votre produit en ligne ?? l???adresse :
www.poulanpro.com
Instruction Manual
Manual de Instrucciones
Manuel d???Instructions
PP4620AV
WARNING:
Read and follow all Safety Rules and Operating Instructions before using this product. Failure to do so can result in serious injury.
ADVERTENCIA:
Lea el manual de instrucciones y siga todas las advertencias e en- strucciones de seguridad. El no hacerlo puede resultar en lesiones graves.
AVERTISSEMENT:
Lire le manuel d???instructions et bien respecter tous les avertisse- ments et toutes les instructions de s??curit??. Tout d??faut de le faire pourrait entra??ner des blessures graves.
115358026 Rev. 1 3/15/10 BRW
ENGLISH
ESPA??OL
FRAN??AIS
IDENTIFICATION OF SYMBOLS
Always wear appropriate ear protection, eye protection and head protection.
Always use two hands when operating the chain saw.
WARNING! Contacting the guide bar tip with any object
should be avoided; tip contact may cause the guide bar to move suddenly upward and backward, which may cause se- rious injury.
Measured maximum kickback value without chain brake for the bar and chain combination on the label.
Starting Reminder
Move ON/STOP switch to the ON position.
Pull choke/fast idle lever out to the full extent (to
the FULL CHOKE posi- tion).
Pull the starter rope sharply 5 times with your right hand.
Push the choke/fast idle lever in to the HALF CHOKE position.
Pull the starter rope sharply with your right hand until the engine starts.
SAFETY RULES
WARNING: Always disconnect
spark plug wire and place wire where it can- not contact spark plug to prevent accidental starting when setting up, transporting, ad- justing or making repairs except carburetor adjustments.
Because a chain saw is a
PLAN AHEAD
S Read this manual carefully until you com- pletely understand and can follow all safety rules, precautions, and operating instruc- tions before attempting to use the unit.
S Restrict the use of your saw to adult users
who understand and can follow safety rules, precautions, and operating instruc- tions found in this manual.
SWear protective gear. Always use
2
hard hat; and sound barriers (ear plugs or mufflers) to protect your hearing. Regular users should have hearing checked regular- ly as chain saw noise can damage hearing. Secure hair above shoulder length.
SKeep all parts of your body away from the chain when the engine is running.
SKeep children, bystanders, and animals a minimum of 30 feet (10 meters) away from the work area. Do not allow other people or animals to be near the chain saw when starting or operating the chain saw.
S Do not handle or operate a chain saw when you are fatigued, ill, or upset, or if you have taken alcohol, drugs, or medication. You must be in good physical condition and mentally alert. Chain saw work is strenuous. If you have any condition that might be aggravated by strenuous work, check with your doctor before operating a chain saw.
SCarefully plan your sawing operation in ad- vance. Do not start cutting until you have a clear work area, secure footing, and, if you are felling trees, a planned retreat path.
OPERATE YOUR SAW SAFELY
SDo not operate a chain saw with one hand. Serious injury to the operator, helpers, by- standers or any combination of these per- sons may result from
SOperate the chain saw only in a
S Do not operate saw from a ladder or in a tree.
SMake sure the chain will not make contact with any object while starting the engine. Never try to start the saw when the guide bar is in a cut.
SDo not put pressure on the saw at the end of the cut. Applying pressure can cause you to lose control when the cut is com- pleted.
S Stop the engine before setting the saw down.
SDo not operate a chain saw that is dam- aged, improperly adjusted, or not com- pletely and securely assembled. Always replace bar, chain, hand guard, or chain brake immediately if it becomes damaged, broken or is otherwise removed.
SWith the engine stopped, hand carry the chain saw with the muffler away from your body, and the guide bar and chain to the rear, preferably covered with a scabbard.
MAINTAIN YOUR SAW IN GOOD
WORKING ORDER
SHave all chain saw service performed by a qualified service dealer with the exception of the items listed in the maintenance sec- tion of this manual. For example, if improp- er tools are used to remove or hold the fly- wheel when servicing the clutch, structural damage to the flywheel can occur and
cause the flywheel to burst.
SMake certain the saw chain stops moving when the throttle trigger is released. For
correction, refer to CARBURETOR AD-
JUSTMENTS.
S Never modify your saw in any way.
S Keep the handles dry, clean, and free of oil or fuel mixture.
SKeep fuel and oil caps, screws, and fas- teners securely tightened.
S Use only Poulan accessories and re- placement parts as recommended.
HANDLE FUEL WITH CAUTION
SDo not smoke while handling fuel or while operating the saw.
SEliminate all sources of sparks or flame in the areas where fuel is mixed or poured. There should be no smoking, open flames, or work that could cause sparks. Allow en- gine to cool before refueling.
S Always have fire extinguishing tools avail- able if you should need them.
SMix and pour fuel in an outdoor area on bare ground; store fuel in a cool, dry, well ventilated place; and use an approved, marked container for all fuel purposes. Wipe up all fuel spills before starting saw.
SMove at least 10 feet (3 meters) from fuel- ing site before starting engine.
STurn the engine off and let saw cool in a
SStore the unit and fuel in an area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc.
KICKBACK
WARNING: Avoid kickback which
can result in serious injury. Kickback is the backward, upward or sudden forward motion of the guide bar occurring when the saw chain near the upper tip of the guide bar contacts any object such as a log or branch, or when the wood closes in and pinches the saw chain in the cut. Contacting a foreign object in the wood can also result in loss of chain saw control.
SRotational Kickback can occur when the
moving chain contacts an object at the up- per tip of the guide bar. This contact can cause the chain to dig into the object, which stops the chain for an instant. The result is a lightning fast, reverse reaction which kicks the guide bar up and back to- ward the operator.
3
S
wood closes in and pinches the moving saw chain in the cut along the top of the guide bar and the saw chain is suddenly stopped. This sudden stopping of the chain results in a reversal of the chain force used to cut wood and causes the saw to move in the opposite direction of the chain rotation. The saw is driven straight back toward the operator.
S
from the operator and could easily cause the operator to lose control of the saw.
Avoid
S Be extremely aware of situations or ob- structions that can cause material to pinch the top of or otherwise stop the chain.
S Do not cut more than one log at a time.
SDo not twist the saw as the bar is with- drawn from an undercut when bucking.
Avoid
S Always begin cutting with the engine at full speed and the saw housing against wood.
S Use wedges made of plastic or wood. Never use metal to hold the cut open.
Make sure the chain brake nuts are se- curely tightened after tensioning the chain.
SBegin and continue cutting at full speed. If the chain is moving at a slower speed,
there is greater chance of kickback occur- ring.
S Cut one log at a time.
SUse extreme caution when
SDo not attempt cuts starting with the tip of the bar (plunge cuts).
SWatch for shifting logs or other forces that could close a cut and pinch or fall into
chain.
SUse the
MAINTAIN CONTROL
Stand to the left of the saw
Thumb on underside of
handlebar
Never reverse hand positions
Kickback Path
Avoid Obstructions
Clear The Working Area
REDUCE THE CHANCE OF
KICKBACK
S Recognize that kickback can happen. With a basic understanding of kickback, you can reduce the element of surprise
which contributes to accidents.
SNever let the moving chain contact any ob- ject at the tip of the guide bar.
SKeep the working area free from obstruc- tions such as other trees, branches, rocks, fences, stumps, etc. Eliminate or avoid any obstruction that your saw chain could hit while you are cutting. When cutting a branch, do not let the guide bar contact branch or other objects around it.
SKeep your saw chain sharp and properly tensioned. A loose or dull chain can in- crease the chance of kickback occurring. Follow manufacturer???s chain sharpening and maintenance instructions. Check ten- sion at regular intervals with the engine stopped, never with the engine running.
Elbow locked
Thumb on underside of handlebar
SKeep a good, firm grip on the saw with both hands when the engine is running and don???t let go. A firm grip will help you reduce kick- back and maintain control of the saw. Keep the fingers of your left hand encircling and your left thumb under the front handlebar. Keep your right hand completely around the rear handle whether your are right handed or left handed. Keep your left arm straight with
the elbow locked.
SPosition your left hand on the front handlebar so it is in a straight line with your right hand on the rear handle when making bucking cuts. Never reverse right and left hand posi-
tions for any type of cutting.
S Stand with your weight evenly balanced on both feet.
SStand slightly to the left side of the saw to keep your body from being in a direct line
with the cutting chain.
SDo not overreach. You could be drawn or thrown off balance and lose control of the saw.
SDo not cut above shoulder height. It is diffi- cult to maintain control of saw above shoul- der height.
4
KICKBACK SAFETY FEATURES
WARNING: The following features
are included on your saw to help reduce the hazard of kickback; however, such features will not totally eliminate this danger. As a chain saw user, do not rely only on safety de- vices. You must follow all safety precau- tions, instructions, and maintenance in this
manual to help avoid kickback and other forces which can result in serious injury.
S
chain saws as set by ANSI B175.1.
Reduced Kickback Symmetrical Guide Bar
Small Radius Tip
Symmetrical Guide Bar
Large Radius Tip
S
which deflect kickback force and allow wood to gradually ride into the cutter.
Not a
SFront Hand Guard, designed to reduce the chance of your left hand contacting the chain
if your hand slips off the front handlebar.
S Position of front and rear handlebars, de- signed with distance between handles and
CHAIN BRAKE AND CKA ANGLE
SChain Brake, designed to stop the chain in the event of kickback.
WARNING: WE DO NOT REP-
RESENT AND YOU SHOULD NOT AS-
SUME THAT THE CHAIN BRAKE WILL
PROTECT YOU IN THE EVENT OF A KICK- BACK. Kickback is a lightning fast action which throws the bar and rotating chain back and up toward the operator. Kickback can be caused by allowing contact of the bar tip in the danger zone with any hard object. Kickback can also be caused by pinching the saw chain along the top of the guide bar. This action may push the guide bar rapidly back toward the op- erator. Either of these events may cause you
to lose control of the saw which could result in serious injury or even death. DO NOT RELY
UPON ANY OF THE DEVICES BUILT INTO
YOUR SAW. YOU SHOULD USE THE SAW
PROPERLY AND CAREFULLY TO AVOID KICKBACK.
on a chain brake should be made by an autho- rized servicing dealer. Take your unit to the place of purchase if purchased from a servic- ing dealer, or to the nearest authorized master service dealer.
STip contact in some cases may cause a light- ning fast reverse REACTION, kicking the guide bar up and back toward the operator.
SPinching the saw chain along the top of the guide bar may push the guide bar rapidly
back toward the operator.
SEither of these reactions may cause you to lose control of the saw which could result in serious injury.Do not rely exclusively upon the safety devices built into your saw.
WARNING: Computed kickback
angle (CKA) listed on your saw and listed in the CKA table below represents angle of kickback your bar and chain combinations will have when tested in accordance with CSA (Cana- dian Standards Association) and ANSI stan-
dards. When purchasing replacement bar and chain, considerations should be given to the lower CKA values. Lower CKA values repre- sent safer angles to the user, higher values in- dicate more angle and higher kick energies. Computed angles represented in the
sents chain stopping time relative to activation angle of chain brake and resulting kick angle of saw. In all cases lower CKA values represent a safer operating environment for the user.
The following guide bar and chain combina-
tions meet kickback requirements of CSA Z62.1, Z62.3, & ANSI B175.1 when used on saws listed in this manual. Use of bar and chain combinations other than those listed is not recommended and may not meet the CKA requirements per standard.
5
Computed kickback angle (CKA) Table
NOTE: If this saw is to be used for commer-
cial logging, a chain brake is required and shall not be removed or otherwise disabled to comply with Federal OSHA Regulations for Commercial Logging.
WARNING: The engine exhaust
from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
SAFETY NOTICE: Exposure to vibrations
through prolonged use of gasoline powered hand tools could cause blood vessel or nerve damage in the fingers, hands, and joints of people prone to circulation disorders or abnormal swellings. Prolonged use in cold weather has been linked to blood vessel damage in otherwise healthy people. If
symptoms occur such as numbness, pain, loss of strength, change in skin color or texture, or loss of feeling in the fingers, hands, or joints, discontinue the use of this tool and seek medical attention. An
condition of this tool.
SPECIAL NOTICE: Your saw is equipped with a temperature limiting muffler and spark
arresting screen which meets the requirements of California Codes 4442 and
4443. All U.S. forest land and the states of California, Idaho, Maine, Minnesota, New Jersey, Oregon, and Washington require by law that many internal combustion engines to be equipped with a spark arresting screen. If you operate a chain saw in a state or locale where such regulations exist, you are legally responsible for maintaining the operating condition of these parts. Failure to do so is a violation of the law. Refer to the SERVICE
section for maintenance of the spark arresting screen.
Failure to follow all Safety Rules and Precau- tions can result in serious injury. If situations occur which are not covered in this manual, use care and good judgement. If you need assistance, contact your authorized service dealer or call
STANDARDS: This saw is listed by Under-
writer???s Laboratories, Inc., in accordance with: ANSI
CSA
CSA
ASSEMBLY
Protective gloves (not provided) should be worn during assembly.
ATTACHING THE BUMPER SPIKE (If not already attached)
The bumper spike may be used as a pivot when making a cut.
1.Loosen and remove the chain brake nuts and the chain brake from the saw.
2.Attach the bumper spike with the two screws as illustrated.
ATTACHING THE BAR & CHAIN (If not
already attached)
WARNING: If received assembled,
repeat all steps to ensure your saw is prop- erly assembled and all fasteners are secure. Always wear gloves when handling the chain. The chain is sharp and can cut you
even when it is not moving!
NOTE: CHAIN BRAKE MUST BE DIS-
ENGAGED BEFORE IT CAN BE RE-
MOVED OR INSTALLED ON THE
CHAIN SAW. TO DISENGAGE CHAIN
BRAKE, PULL THE FRONT HAND
GUARD BACK TOWARD THE REAR
OF THE CHAIN BRAKE AS FAR AS
POSSIBLE (SEE ILLUSTRATION).
DISENGAGED
Front Hand Guard
ENGAGED
Chain Brake
1.Loosen and remove the chain brake nuts and the chain brake from the saw.
2.Remove the plastic shipping spacer (if present).
6
3.An adjusting pin and screw is used to ad- just the tension of the chain. It is very im- portant when assembling the bar, that the pin located on the adjusting screw aligns into a hole in the bar. Turning the screw will move the adjustment pin up and down the screw. Locate this adjustment before you begin mounting the bar onto the saw. See illustration below.
Inside view of
Chain Brake
Adjustment located on Chain Brake
4.Turn the adjusting screw by hand counter- clockwise until the adjusting pin just touches the stop. This should allow the pin to be near the correct position. Further ad- justment may be necessary as you mount the bar.
5.Slide guide bar behind clutch drum until guide bar stops against clutch drum sprocket.
Mount the bar
6.Prepare the chain by checking the proper direction. Without following the illustration it is easy to place the chain on the saw in the wrong direction. Use the illustration of the chain to determine the proper direction.
Tip of
Bar
CUTTERS MUST FACE IN
DIIRECTION OF ROTATION
Drive Links
7.Place the chain over and behind the clutch, fitting the drive links in the clutch drum sprocket.
Place chain onto the sprocket
8.Fit bottom of drive links between the teeth in the sprocket in the nose of the guide bar.
9.Fit chain drive links in bar groove.
10.Pull the bar forward until the chain is snug in the guide bar groove. Ensure all drive links are in the bar groove.
11.Now, install chain brake making sure the adjusting pin is positioned in the lower hole in the guide bar. Remember this pin moves the bar forward and backward as the screw is turned.
12.Install chain brake nuts and finger tighten only. Once the chain is tensioned, you will need to tighten chain brake nuts.
CHAIN TENSION (Including units with chain already installed)
NOTE: When adjusting chain tension,
make sure the chain brake nuts are finger tight only. Attempting to tension the chain when the chain brake nuts are tight can cause damage.
Checking the tension:
Use the screwdriver end of the chain adjust- ment tool (bar tool) to move the chain around the bar. If the chain does not rotate, it is too tight. If too loose, the chain will sag below the bar.
Adjusting the tension:
Chain tension is very important. Chain stretches during use. This is especially true during the first few times you use your saw. Always check chain tension each time before you start the chain saw.
You can adjust the chain tension by loosening the chain brake nuts and turning the adjusting screw 1/4 of a turn while lifting up on the bar.
7
SIf chain is too tight, turn adjusting screw 1/4 turn counterclockwise.
SIf chain is too loose, turn adjusting screw 1/4 turn clockwise.
Adjusting screw
Chain Brake Nuts
Adjusting Screw
S Lift up the tip of the bar and tighten the chain brake nuts securely with the bar tool.
S Recheck chain tension.
Chain Brake
Nuts
NOTE:The chain is tensioned correctly when the weight of the chain does not cause it to sag below the guide bar (with the chain saw sitting in an upright position), but the chain still moves freely around the guide bar.
WARNING: If the saw is operated
with a loose chain, the chain could jump off the guide bar and result in serious injury to the op- erator and/or damage the chain making it un- usable. If the chain jumps off the guide bar, in- spect each drive link for damage. Damaged chain must be repaired or replaced.
OPERATION
KNOW YOUR SAW
READ THIS INSTRUCTION MANUAL AND SAFETY RULES BEFORE OPERATING YOUR
CHAIN SAW. Compare the illustrations with your unit to familiarize yourself with the location of the various controls and adjustments. Save this manual for future reference.
8
THROTTLE
The THROTTLE
CHOKE/FAST IDLE LEVER
The choke and fast idle speed are set by pull- ing the CHOKE/FAST IDLE LEVER out fully for cold starting or after refueling. The choke provides additional fuel to the engine during cold starting.
CHAIN BRAKE
The CHAIN BRAKE is a device designed to stop the chain if kickback occurs. The chain
brake activates automatically in the event of
kickback. The chain brake activates manu- ally if the front hand guard is pushed forward. The chain brake is disengaged by pulling the front hand guard back toward the front han- dle as far as possible.
CHAIN TENSION
It is normal for a new chain to stretch during first 15 minutes of operation. You should check your chain tension frequently. See CHAIN TENSION in the ASSEMBLY section.
WARNING: If the saw is operated
with a loose chain, the chain could jump off the guide bar and result in serious injury to the operator and/or damage the chain mak-
ing it unusable.
BEFORE STARTING ENGINE
WARNING: Muffler is very hot dur- ing and after use. Do not touch the muffler or
allow combustible material such as dry grass or fuel to do so.
WARNING: Be sure to read the fuel
handling information in the safety rules sec- tion of this manual before you begin. If you do not understand the fuel handling information
do not attempt to fuel your unit. Seek help from someone that does understand the in- formation or call the customer assistance help line at
FUELING ENGINE
WARNING: Remove fuel cap slow- ly when refueling.
HELPFUL TIP
To obtain the correct oil mix ratio, pour 3.2 ounces of
This engine is certified to operate on unleaded
gasoline. Before operation, gasoline must be mixed with a good quality synthetic
synthetic oil. Pour the entire contents of this container into 1 gallon (4 liters) of gasoline to achieve the proper fuel mixture. DO NOT USE automotive or marine oil. These oils will cause engine damage. When mixing fuel follow the instructions printed on the container. Always read and follow the safety rules listed under HANDLE FUEL WITH
CAUTION.
CAUTION: Never use straight gasoline in your unit. This will cause permanent engine damage and void the limited warranty.
FUEL REQUIREMENTS
This engine requires the use of minimum 87 octane [R+M]/2 clean gasoline.
IMPORTANT
Use of alcohol blended fuels (called gasohol or using ethanol or methanol) can cause major engine performance and durability problems.
WARNING: Alternative fuels (not
gasoline) such as
carburetor components, etc. Alternative fuels cause high moisture absorption into the fuel/oil mixture leading to oil and fuel separation.
BAR AND CHAIN LUBRICATION
The bar and chain require continuous lubrica- tion. Lubrication is provided by the automatic oiler system when the oil tank is kept filled. Lack of oil will quickly ruin the bar and chain. Too little oil will cause overheating shown by smoke coming from the chain and/or discolor- ation of the bar.
In freezing weather oil will thicken, making it necessary to thin bar and chain oil with a small
amount (5 to 10%) of #1 Diesel Fuel or kerosene. Bar and chain oil must be free flowing for the oil system to pump enough oil for adequate lubrication.
Genuine Poulan bar and chain oil is recommended to protect your unit against excessive wear from heat and friction. Poulan oil resists high temperature thinning. If Poulan bar and chain oil is not available, use a good grade SAE 30 oil.
SNever use waste oil for bar and chain lubri- cation.
SAlways stop the engine before removing the oil cap.
CHAIN BRAKE
Ensure chain brake is disengaged by pulling the front hand guard back toward the front han- dle as far as possible. The chain brake must be disengaged before cutting with the saw.
WARNING: The chain must not
move when the engine runs at idle speed. If the chain moves at idle speed refer to CAR- BURETOR ADJUSTMENT within this
9
manual. Avoid contact with the muffler. A hot muffler can cause serious burns.
To stop the engine move the ON/STOP switch to the STOP position.
To start the engine hold the saw firmly on the ground as illustrated. Make sure the chain is free to turn without contacting any object.
Use only
Starter rope handle
Left hand on front
handle
Right foot through rear handle
WARNING: Do not attempt to throw
or
IMPORTANT POINTS TO REMEMBER
When pulling the starter rope, do not use the full extent of the rope as this can cause the rope to break. Do not let starter rope snap back. Hold the handle and let the rope rewind slowly.
For cold weather starting, start the unit at FULL CHOKE; allow the engine to warm up before squeezing the throttle trigger.
NOTE: Do not cut material with the choke/ fast idle lever at the FULL CHOKE position.
HELPFUL TIP
If your engine still does not
start after following these instructions, please call
STARTING A COLD ENGINE (or warm engine after running out of
fuel):
NOTE: In the following steps, when the choke/fast idle lever is pulled out to the full extent, the correct throttle setting for starting is set automatically.
1.Move ON/STOP switch to the ON posi- tion.
2.Pull the choke/fast idle lever out to the full extent (to the FULL CHOKE position).
3.Pull starter rope quickly with your right hand a maximum of 10 times. Then, pro- ceed to the next step.
NOTE: If the engine sounds as if it is trying to start before the 10th pull, stop pulling and immediately proceed to the next step.
4.Push the choke/fast idle lever in to the HALF CHOKE position.
5.Pull the starter rope quickly with your right hand until the engine starts.
6.Allow the engine to run for approximately 30 seconds. Then, squeeze and release throttle trigger to allow engine to return to idle speed.
ON/STOP SWITCH
CHOKE/FAST IDLE LEVER
FULL HALF OFF
STARTING A WARM ENGINE
1.Move ON/STOP switch to the ON position.
2.Pull the choke/fast idle lever out to the HALF CHOKE position.
3.Pull the starter rope quickly with your right hand until the engine starts.
4.Squeeze and release the throttle trigger to allow engine to return to idle speed.
DIFFICULT STARTING (or starting a flooded engine)
The engine may be flooded if it has not started after 10 pulls.
Flooded engines can be cleared of excess fuel by following the warm engine starting proce- dure listed above. Ensure the ON/STOP switch is in the ON position.
Starting could require many pulls depending on how badly unit is flooded. If engine still fails to start, refer to TROUBLESHOOTING TABLE or call
CHAIN BRAKE
WARNING: If the brake band is worn too thin it may break when the chain brake is
triggered. With a broken brake band, the chain brake will not stop the chain. The chain brake should be replaced by an authorized service dealer if any part is worn to less than 0.020??? (0.5 mm) thick. Repairs on a chain brake should be made by an authorized service deal- er. Take your unit to the place of purchase if purchased from a servicing dealer, or to the nearest authorized master service dealer.
SThis saw is equipped with a chain brake. The brake is designed to stop the chain if
kickback occurs.
S The
automatically (by sudden movement).
S If the brake is already activated, it is disengaged by pulling the front hand guard back toward the front handle as far as possible.
SWhen cutting with the saw, the chain brake must be disengaged.
10
Disengaged
Engaged
Braking function control
CAUTION: The chain brake must be checked several times daily. The engine must
be running when performing this procedure. This is the only instance when the saw should be placed on the ground with the engine run- ning.
Place the saw on firm ground. Grip the rear handle with your right hand and the front han- dle with your left hand. Apply full throttle by
fully depressing the throttle trigger. Activate the chain brake by turning your left wrist against the hand guard without releasing your grip around the front handle. The chain should stop immediately.
Inertia activating function control
WARNING: When performing the
following procedure, the engine must be turned off.
Grip the rear handle with your right hand and the front handle with your left hand. Hold the chain saw approximately 14??? (35 cm) above a stump or other wooden surface. Release your grip on the front handle and use the weight of the saw to let the top of the guide bar fall forward and contact the stump. When the tip of the bar hits the stump, the brake should activate.
CUTTING METHODS
IMPORTANT POINTS
SCheck chain tension before first use and after 1 minute of operation. See CHAIN TENSION in the ASSEMBLY section.
SCut wood only. Do not cut metal, plastics, masonry,
SStop the saw if the chain strikes a foreign object. Inspect the saw and repair or re- place parts as necessary. If the chain jumps off the guide bar, inspect the chain for damaged drive links before reinstalling.
Burrs on drive links, which prevent them from entering the groove of the guide bar, can be removed with a flat file.
SKeep the chain out of dirt and sand. Even a small amount of dirt will dull a chain, increase
the possibility of kickback, and require chain sharpening or replacement.
SPractice cutting a few small logs using the following techniques to get the ???feel??? of us- ing your saw before you begin a major
sawing operation.
SSqueeze the throttle trigger and allow the engine to reach full speed before cutting.
S Begin cutting with the saw frame against the log.
S Keep the engine at full speed the entire time you are cutting.
SAllow the chain to cut for you. Exert only light downward pressure. If you force the cut, damage to the bar, chain, or en-
gine can result.
SRelease the throttle trigger as soon as the cut is completed, allowing the en-
gine to idle. If you run the saw at full throttle without a cutting load, unneces- sary wear can occur to the chain, bar, and engine.
STo avoid losing control when cut is com- plete, do not put pressure on saw at end
of cut.
S Stop the engine before setting the saw down after cutting.
TREE FELLING TECHNIQUES
WARNING: Check for broken or dead branches which can fall while cutting
causing serious injury. Do not cut near build- ings or electrical wires if you do not know the direction of tree fall, nor cut at night since you will not be able to see well, nor during bad weather such as rain, snow, or strong winds, etc. If the tree makes contact with any utility line, the utility company should be notified immediately.
SCarefully plan your sawing operation in ad- vance.
S Clear the work area. You need a clear area all around the tree so you can have secure footing.
SStudy the natural conditions that can cause the tree to fall in a particular direction.
Natural conditions that can cause a tree to fall in a particular direction include:
S The wind direction and speed.
S The lean of the tree. The lean of a tree might not be apparent due to uneven or sloping terrain. Use a plumb or level to de- termine the direction of tree lean.
S Weight and branches on one side. S Surrounding trees and obstacles.
Look for decay and rot. If the trunk is rotted, it can snap and fall toward the operator. Check for broken or dead branches which can fall on you while cutting.
Make sure there is enough room for the tree to
fall. Maintain a distance of
Remove dirt, stones, loose bark, nails, sta- ples, and wire from the tree where cuts are to
be made.
Plan a clear retreat path to the rear and diag- onal to the line of fall.
11
Plan a clear retreat path
Direction of Fall
45_
FELLING LARGE TREES
(6 inches in diameter or larger)
The notch method is used to fell large trees. A notch is cut on the side of the tree in the de-
sired direction of fall. After a felling cut is made on the opposite side of tree, the tree will tend to fall into the notch.
NOTE: If the tree has large buttress roots,
remove them before making the notch. If us- ing saw to remove buttress roots, keep saw chain from contacting ground to prevent dull- ing of the chain.
NOTCH CUT AND FELLING THE
TREE
SMake notch cut by cutting the top of the notch first. Cut through 1/3 of the diameter of the tree. Next complete the notch by cut- ting the bottom of the notch. See illustra- tion. Once the notch is cut, remove the notch of wood from the tree.
Final (felling) cut here, 2 inches (5 cm) above center of notch.
First cut
Notch
NOTE: Before felling cut is complete, use
wedges to open the cut when necessary to control the direction of fall. To avoid kickback and chain damage, use wood or plastic wedges, but never steel or iron wedges.
S Be alert to signs that the tree is ready to fall:
cracking sounds, widening of the felling cut, or movement in the upper branches.
SAs tree starts to fall, stop saw, put it down, and get away quickly on your planned re- treat path.
SDO NOT cut down a partially fallen tree with your saw. Be extremely cautious with partially fallen trees that may be poorly supported. When a tree doesn???t fall com- pletely, set the saw aside and pull down the tree with a cable winch, block and tackle, or tractor.
CUTTING A FALLEN TREE
(BUCKING)
Bucking is the term used for cutting a fallen tree to the desired log size.
WARNING: Do not stand on the log
being cut. Any portion can roll causing loss of footing and control. Do not stand downhill of the log being cut.
IMPORTANT POINTS
S Cut only one log at a time.
SCut shattered wood very carefully; sharp pieces of wood could be flung toward oper-
ator.
SUse a sawhorse to cut small logs. Never allow another person to hold the log while cutting and never hold the log with your leg or foot.
SDo not cut in an area where logs, limbs, and roots are tangled such as in a blown down area. Drag the logs into a clear area before cutting by pulling out exposed and cleared logs first.
Second cut
Hinge
TYPES OF CUTTING USED FOR
BUCKING
WARNING: If saw becomes
S After removing the wood from the notch, make the felling cut on the opposite side of the notch. This is done by making a cut about two inches higher than the center of the notch. This will leave enough uncut wood between the felling cut and the notch to form a hinge. This hinge will help prevent the tree from falling in the wrong direction.
Hinge holds tree on stump and helps control fall
Closing of notch
pinched or hung in a log, don???t try to force it out. You can lose control of the saw resulting in injury and/or damage to the saw. Stop the saw, drive a wedge of plastic or wood into the
cut until the saw can be removed easily. Re- start the saw and carefully reenter the cut. To avoid kickback and chain damage, do not use a metal wedge. Do not attempt to restart your saw when it is pinched or hung in a log.
Use a wedge to remove pinched saw
Turn saw OFF and use a plastic or wooden wedge to force cut open.
Overcutting begins on the top side of the log with the bottom of the saw against the log. When overcutting use light downward pres- sure.
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Overcutting Undercutting
Undercutting involves cutting on the under- side of the log with top of saw against the log. When undercutting use light upward pres- sure. Hold saw firmly and maintain control. The saw will tend to push back toward you.
WARNING: Never turn saw upside
down to undercut. The saw cannot be con- trolled in this position.
Always make your first cut on the compres- sion side of the log. The compression side of the log is where the pressure of the log???s
weight is concentrated.
First cut on compression side of log
Second cut
Second cut
First cut on compression side of log
BUCKING WITHOUT A SUPPORT
S Overcut through 1/3 of the diameter of the log.
S Roll the log over and finish with a second overcut.
SWatch for logs with a compression side to prevent the saw from pinching. See il- lustration for cutting logs with a compres- sion side.
BUCKING USING A LOG OR
SUPPORT STAND
SRemember your first cut is always on the compression side of the log. (Refer to the
illustration below for your first and second cut)
S Your first cut should extend 1/3 of the diameter of the log.
S Finish with your second cut.
Using a log for support 2nd Cut
1st Cut
1st Cut
2nd Cut
Using a support stand
2nd Cut
1st Cut
1st Cut
2nd Cut
LIMBING AND PRUNING
WARNING: Be alert for and guard
against kickback. Do not allow the moving chain to contact any other branches or ob- jects at the nose of the guide bar when limb- ing or pruning. Allowing such contact can re- sult in serious injury.
WARNING: Never climb into a tree
to limb or prune. Do not stand on ladders, platforms, a log, or in any position which can cause you to lose your balance or control of the saw.
IMPORTANT POINTS
S Work slowly, keeping both hands firmly gripped on the saw. Maintain secure foot- ing and balance.
SWatch out for springpoles. Use extreme caution when cutting small size limbs. Slender material may catch the saw chain and be whipped toward you or pull you off balance.
S Be alert for springback. Watch out for branches that are bent or under pressure. Avoid being struck by the branch or the saw when the tension in the wood fibers is released.
SKeep a clear work area. Frequently clear branches out of the way to avoid tripping over them.
LIMBING
S Always limb a tree after it is cut down. Only
then can limbing be done safely and prop- erly.
S Leave the larger limbs underneath the felled tree to support the tree as you work.
SStart at the base of the felled tree and work toward the top, cutting branches and limbs. Remove small limbs with one cut.
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SKeep the tree between you and the chain. Cut from the side of the tree opposite the
branch you are cutting.
S Remove larger, supporting branches with the cutting techniques described in BUCK-
ING WITHOUT A SUPPORT.
SAlways use an overcut to cut small and freely hanging limbs. Undercutting could cause limbs to fall and pinch the saw.
PRUNING
WARNING: Limit pruning to limbs
shoulder height or below. Do not cut if branches are higher than your shoulder. Get a professional to do the job.
SMake your fist cut 1/3 of the way through the bottom of the limb.
SNext make a 2nd cut all the way through the limb. Then cut a third overcut leaving a 1 to 2 inch collar from the truck of the tree.
Second cut
Third cut
Collar
First cut
Pruning technique
SERVICE
WARNING: Disconnect the spark
plug before performing maintenance except for carburetor adjustments.
We recommend all service and adjustments not listed in this manual be performed by an authorized service dealer.
HELPFUL TIP
IMPORTANT: Have all
repairs other than the rec- ommended maintenance described in the instruction manual performed by an
authorized service dealer.
If any dealer other than an authorized service dealer performs work on the product, Poulan may not pay for repairs under warranty. It is your responsibility to maintain and perform general mainte- nance.
MAINTENANCE SCHEDULE
Check:
Fuel mixture level . . . . Before each use Bar lubrication . . . . . . . Before each use Chain tension . . . . . . . Before each use Chain sharpness . . . . Before each use For damaged parts . . Before each use For loose caps . . . . . . Before each use For loose fasteners . . . Before each use For loose parts . . . . . . Before each use
Inspect and Clean:
Bar . . . . . . . . . . . . . . . . Before each use Complete saw . . . . . . . After each use Air filter . . . . . . . . . . . . . Every 5 hours* Chain brake . . . . . . . . Every 5 hours* Spark arresting screen
and muffler . . . . . . . . . Every 25 hours*
Replace spark plug . Yearly
Replace fuel filter . . . Yearly
* Hours of Operation
AIR FILTER
CAUTION: Do not clean filter in gasoline or other flammable solvent to avoid creating a fire hazard or producing harmful evapora- tive emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and harmful emissions. Always clean after 15 tanks of fuel or 5 hours of operation, which- ever comes first. Clean more frequently in dusty conditions. A used aire filter can never be completely cleaned. It is advisable to re- place your air filter with a new one after every 50 hours of operation, or annually, whichever comes first.
1.Loosen 3 screws on cylinder cover.
2.Remove cylinder cover.
3.Remove air filter.
4.Clean the air filter using hot soapy water. Rinse with clean cool water. Air dry com- pletely before reinstalling.
5.Reinstall air filter.
6.Reinstall cylinder cover and 3 screws. TIghten securely.
Air Filter
Air Filter
Screws
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire
hazard or affecting engine performance.
Replace the spark arresting screen if breaks occur.
CLEANING THE SPARK
ARRESTING SCREEN
Clean every 25 hours of operation or annually, whichever comes first.
14
Steel
Backplate
Muffler
Muffler
Bolts
Aluminum
Backplate Muffler
GasketBolt Cover Locknut
1.Loosen and remove the 3 cylinder cover screws. Remove the cylinder cover.
2.Pull off the spark plug boot.
3.Loosen and remove the locknut from the bolt cover. Remove the bolt cover.
4.Loosen and remove the 2 muffler bolts. Remove the muffler, muffler gasket and backplates. Notice the orientation of these parts for reassembling.
5.Locate the 2 outlet cover screws on the muffler. Loosen and remove both screws. Remove the outlet cover and spark arresting screen.
BACK VIEW OF MUFFLER
Screws
Spark Arresting
Screen
6.Clean the spark arresting screen with a wire brush. Replace screen if any wires are broken or screen is blocked after cleaning.
7.Reinstall spark arresting screen.
8.Reinstall outlet cover and 2 screws. En- sure outlet cover and both screws are reinstalled correctly to prevent damage to the saw (see illustrations). The ex- haust outlets must face the chain brake (bar side) of the saw.
Outlet Cover
Exhaust Outlets
Exhaust Outlets must face chain brake (bar side) of chain saw
9.Inspect the muffler gasket and replace if damaged.
10.Reinstall backplates, muffler gasket and muffler using muffler bolts. Tighten until secure.
11.Reinstall bolt cover and locknut.
12.Reinstall the spark plug boot.
13.Reinstall the cylinder cover and 3 screws. Tighten securely.
CARBURETOR ADJUSTMENTS
WARNING: The chain will be mov-
ing during most of this procedure. Wear your protective equipment and observe all safety precautions. The chain must not move at idle speed.
The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions:
S Chain moves at idle. See IDLE
SSaw will not idle. See IDLE
Idle
Allow engine to idle. If the chain moves, idle is too fast. If the engine stalls, idle is too slow.
Adjust speed until engine runs without chain movement (idle too fast) or stalling (idle too slow).
S Turn idle speed screw (T) clockwise to in- crease engine speed.
STurn idle speed screw (T) counterclock- wise to decrease engine speed.
If you require further assistance or are unsure about performing this procedure, contact your
authorized service dealer or call
BAR MAINTENANCE
If your saw cuts to one side, has to be forced through the cut, or been run with an improper amount of bar lubrication it may be neces- sary to service your bar. A worn bar will dam- age your chain and make cutting difficult.
After each use, ensure ON/STOP switch is in the STOP position, then clean all sawdust from the guide bar and sprocket hole.
To maintain guide bar:
S Move ON/STOP switch to the STOP posi- tion.
SLoosen and remove chain brake nuts and chain brake. Remove bar and chain from saw.
SClean the oil holes and bar groove after each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal process of rail wear. Remove these burrs with a flat file.
SWhen rail top is uneven, use a flat file to re- store square edges and sides.
File Rail Edges
and Sides
Square
15
Replace guide bar when the groove is worn, the guide bar is bent or cracked, or when excess heating or burring of the rails occurs. If replacement is necessary, use only the guide bar specified for your saw in the repair parts list or on the decal located on the chain saw.
CHAIN SHARPENING
WARNING: Improper chain sharp-
ening techniques and/or depth gauge mainte- nance will increase the chance of kickback
which can result in serious injury.
WARNING: Wear protective gloves
when handling chain. The chain is sharp and can cut you even when it is not moving. Conditions which indicate the need for chain sharpening:
SReduction in size of wood chips. The size of the wood chip will decrease as the chain gets duller until it becomes more like a powder than a chip. Note that dead or
rotted wood will not produce a good chip. S Saw cuts to one side or at an angle.
S Saw has to be forced through the cut.
Tools required:
S3/16 inch (4,5 mm) diameter round file and file holder
S Flat file
S Depth gauge tool
TO SHARPEN CHAIN:
1.Move ON/STOP switch to the STOP position.
2.Check chain for proper tension. Adjust chain tension if necessary. See CHAIN TENSION section.
3.Sharpen cutters.
STo sharpen the cutters, position the file holder level (90??) so that it rests on the top edges of the cutter and depth gauge.
NOTE: The chain has both left and right hand cutters.
File Holder
File
SFile on the forward stroke only. Use 2 or 3 strokes per cutting edge.
SKeep all cutters the same length when filing.
SFile enough to remove any damage to cutting edges (side plate and top plate of cutter).
SFile chain to meet the specifications as shown.
60??60??
25??
Hook Angle
hook angle according to the manufacturer???s specifications for the chain you are using. Im- proper hook angle will increase the chance of kickback which can result in serious injury.
Cutter
90??
4. Check and lower depth gauges.
Depth Gauge
SAlign the 25?? file holder marks paral- lel with the bar and to the center of the chain.
Cutter
SSharpen cutters on one side of the chain first. File from the inside of each cutter to the outside. Then, turn the chain saw around and repeat the pro- cess for the other side of the chain.
Depth Gauge
S Place gauge tool on cutter.
SIf the depth gauge is higher than the depth gauge tool, file it level to the top of
the depth gauge tool.
SMaintain rounded front corner of depth gauge with a flat file.
NOTE: The very top of the depth
gauge should be flat with the front half rounded off with a flat file.
If you require further assistance or are unsure about performing this procedure, contact your authorized service dealer or call our customer assistance help line at
16
SPARK PLUG
The spark plug should be replaced each year to ensure the engine starts easier and runs better. Ignition timing is fixed and non- adjustable.
NOTE: This spark ignition system complies with the Canadian standard
1.Loosen 3 screws on cylinder cover.
2.Remove the cylinder cover.
3.Pull off the spark plug boot.
4.Remove spark plug from cylinder and discard.
5.Replace with Champion
6.Reinstall the spark plug boot.
7.Reinstall the cylinder cover and 3 screws. Tighten securely.
Spark Plug Boot
COOLING SYSTEM
To keep the working temperature as low as possible the machine is equipped with a cooling system.
The cooling system consists of:
S Air intake on the starter S Air guide plate
S Fins on the flywheel
S Cooling fins on the cylinder
S Cylinder cover (directs cold air over the cylinder)
Clean the cooling system with a brush after each use, more often in demanding condi- tions. A dirty or blocked cooling system re- sults in the machine overheating which causes damage to the piston and cylinder.
STORAGE
WARNING: Perform the following
steps after each use:
S Allow the engine to cool, and secure the unit before storing or transporting.
SStore chain saw and fuel in a well venti- lated area where fuel vapors cannot reach sparks or open flames from water heaters,
electric motors or switches, furnaces, etc.
SStore chain saw with all guards in place and position chain saw so that any sharp object cannot accidentally cause injury.
SStore chain saw well out of the reach of children.
SEASONAL STORAGE
Prepare your unit for storage at the end of the season or if it will not be used for 30 days or more.
If your chain saw is to be stored for a period of time:
S Clean saw thoroughly before storage. S Store in a clean dry area.
S Lightly oil external metal surfaces and guide bar.
SOil the chain and wrap it in heavy paper or cloth.
FUEL SYSTEM
Under FUELING ENGINE in the OPERA- TION section of this manual, see message
labeled IMPORTANT regarding the use of gasohol in your chain saw.
Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum depos- its during storage. Add stabilizer to the gaso- line in the fuel tank or fuel storage container. Follow the mix instructions found on stabiliz- er containers. Run engine at least 5 minutes after adding stabilizer.
Poulan/WEED EATER 40:1,
HELPFUL TIP
During storage of your gas/
oil mixture, the oil will sepa- rate from the gas.
We recommend that you shake the gas can weekly to insure proper blending of the gas and oil.
ENGINE
SRemove spark plug and pour 1 teaspoon of 40:1,
ute oil.
SReplace spark plug with new one of rec- ommended type and heat range.
S Clean air filter.
SCheck entire unit for loose screws, nuts, and bolts. Replace any damaged, broken,
or worn parts.
SAt the beginning of the next season, use only fresh fuel having the proper gasoline to oil ratio.
OTHER
SDo not store gasoline from one season to another.
S Replace your gasoline can if it starts to rust.
17
TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies that require operation of the unit.
18
LIMITED WARRANTY
Poulan, a division of Husqvarna Outdoor Products Inc., warrants to the original con-
sumer purchaser that each new Poulan brand gasoline chain saw is free from de- fects in material and workmanship and agrees to repair or replace under this war- ranty any defective gasoline chain saw as follows from the original date of purchase.
1 YEAR - Parts and Labor, when used for household purposes.
60 DAYS - Parts and Labor, when used for commercial, professional, or income pro- ducing purposes.
30 DAYS - Parts and Labor, if used for rental purposes.
This warranty is not transferable and does not cover damage or liability caused by improper
handling, improper maintenance or alteration, or the use of accessories and/or attachments not specifically recommended by Poulan for this chain saw. This warranty does not cover
installation of guide bar and chain, and normal adjustments explained in the instruction manu- al such as chain tension adjustments. This warranty does not cover transportation costs.
In the event you have a claim under this war- ranty, you must return the product to an au- thorized service dealer.
Should you have any unanswered questions concerning this warranty, please contact:
Poulan, a division of Husqvarna Outdoor Products Inc.
7349 Statesville Road Charlotte, NC 28269
Poulan
5855 Terry Fox Way Mississauga,Ontario L5V3E4
Giving the model number, serial number and date of purchase of your product and the name and address of the authorized dealer from whom it was purchased.
THIS WARRANTY GIVES YOU SPECIFIC
LEGAL RIGHTS, AND YOU MAY HAVE
OTHER RIGHTS WHICH VARY FROM
STATE TO STATE.
NO CLAIMS FOR CONSEQUENTIAL OR
OTHER DAMAGES WILL BE ALLOWED,
AND THERE ARE NO OTHER EXPRESS
WARRANTIES EXCEPT THOSE EX-
PRESSLY STIPULATED HEREIN.
SOME STATES DO NOT ALLOW LIMITA-
TIONS ON HOW LONG AN IMPLIED WAR-
RANTY LASTS OR THE EXCLUSION OR
LIMITATIONS OF INCIDENTAL OR CON-
SEQUENTIAL DAMAGES, SO THE
ABOVE LIMITATIONS OR EXCLUSION
MAY NOT APPLY TO YOU.
This is a limited warranty within the meaning of that term as defined in the
The policy of Poulan is to continuously im- prove its products. Therefore, Poulan re-
serves the right to change, modify, or discon- tinue models, designs, specifications, and accessories of all products at any time with- out notice or obligation to any purchaser.
U.S. EPA/ENVIRONMENT CANADA
EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OB-
LIGATIONS: The U.S. Environmental
Protection Agency, Environment Canada and Poulan PRO are pleased to explain the emissions control system warranty on your year 2010 and later small
designed, built, and equipped to meet the State???s stringent
exists, Poulan PRO will repair your small
or a defect in the materials or workmanship of the engine causes the failure of such an emis- sion related part, the part will be repaired or re- placed by Poulan PRO. OWNER???S WAR- RANTY RESPONSIBILITIES: As the small
nance listed in your instruction manual. Pou- lan PRO recommends that you retain all re- ceipts covering maintenance on your small
part of it has failed due to abuse, neglect, im- proper maintenance, unapproved modifica- tions, or the use of parts not made or ap- proved by the original equipment manufacturer. You are responsible for pres- enting your small
19
problem exists. Warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. If you have any questions regarding your warranty rights and responsi- bilities, you should contact your nearest autho- rized service center, call Poulan PRO at
spondence to
placement of any warranted part will be per- formed at no charge to the owner at an ap- proved Poulan PRO servicing center. If you have any questions regarding your warranty rights and responsibilities, you should con- tact your nearest authorized service center, call Poulan PRO at
TY PERIOD: Any warranted part which is not scheduled for replacement as required maintenance, or which is scheduled only for regular inspection to the effect of ???repair or replace as necessary??? shall be warranted for 2 years. Any warranted part which is sched- uled for replacement as required mainte- nance shall be warranted for the period of time up to the first scheduled replacement point for that part. DIAGNOSIS: The owner
shall not be charged for diagnostic labor which leads to the determination that a war- ranted part is defective if the diagnostic work is performed at an approved Poulan PRO
servicing center. CONSEQUENTIAL DAM- AGES: Poulan PRO may be liable for dam- ages to other engine components caused by the failure of a warranted part still under war- ranty. WHAT IS NOT COVERED: All failures caused by abuse, neglect, or improper main- tenance are not covered.
DIFIED PARTS: The use of
spondence to
NANCE, REPLACEMENT AND REPAIR
OF EMISSION RELATED PARTS: Any
Poulan PRO approved replacement part used in the performance of any warranty maintenance or repair on emission related parts will be provided without charge to the owner if the part is under warranty. EMIS-
SION CONTROL WARRANTY PARTS LIST: Carburetor, air filter (covered up to main- tenance schedule), ignition system: spark plug (covered up to maintenance schedule), ignition module, muffler including catalyst (if equipped),
fuel tank. MAINTENANCE STATEMENT:
The owner is responsible for the perfor- mance of all required maintenance as de- fined in the instruction manual.
The information on the product label indicates which standard your engine is certified. Example: (Year) EPA and/or CALIFORNIA.
This engine is certified to be emissions compliant for the following use: Moderate (50 hours)
Intermediate (125 hours) Extended (300 hours)
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