Craftsman 358360821 Owner’s Manual

Instruction Manual
2.3 cu.in./38cc 2-Cycle
GASOLINE CHAIN SAW
Model No.
358.360821 - 16 in. Bar
Safety
Assembly
Operation
Parts List
Espahol
For Occasional Use Only
WARNING:
&
_1_ For answers to your questions about this product:
Read and follow all Safety Rules and Operating Instructions before first use of this product.
Call 7 am-7 pm, Mon-Sat; Sun, 10 am-7 pm
1-800-235-5878 IHourslistedare CentraI Time)
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
530163311 9/6/02
Warranty 2 Storage 18 Safety Rules 2 Troubleshooting Table 19 Assembly 6 Emissions Statement 20 Operation 7 Parts List 22
Maintenance 14 Spanish 24
Service and Adjustments 17 Parts & Ordering Back Cover
FULL ONE YEAR WARRANTY ON CRAFTSMAN ® GAS CHAIN SAW
For one year from the date of purchase, when this Craftsman Gas Chain Saw is maintained, lubricated and tuned up according to the instruction manual, Sears will repair, free of charge, any defect in material or workmanship.
This warranty excludes the bar, chain, spark plug and air filter, which are expendable parts and become worn during normal use.
If this Gas Chain Saw is used for commercial or rental purposes, this warranty applies for 30 days from the date of purchase.
WARRANTY SERVICE ISAVAILABLE BY RETURNING THIS CHAIN SAW TO THE
NEAREST SEARS STORE OR SERVICE CENTER IN THE UNITED STATES. This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state. Sears, Roebuck and Co., D/817 WA, Hoffman Estates, IL 60179
_!_ WARNING: Always disconnect spark plug wire when making repairs ex-
cept for carburetor adjustments. Be- cause a chain saw is a high-speed
woodcutting tool, special safety precau- tions must be observed to reduce risk of
accidents. Careless or improper use of this tool can cause serious injury.
PLAN AHEAD
Restrict the use of your saw to adult
users who understand and can follow
the safety rules, precautions, and op-
erating instructions found in this manual.
Hearing _ Safety Hat
Protection "_lr,_-- Eye
Snug Protection Fitting Heavy Duty
Clothing Gloves
Safety Shoes
_N
Wear protective gear. Always use
steel-toed safety footwear with non- slip soles; snug-fitting clothing;
heavy_duty, non-slip gloves; eye pro-
tection such as non-fogging, vented
goggles or face screen; an approved safety hard hat; and sound barriers
(ear plugs or mufflers) to protect your hearing. Regular users should have
hearing checked regularly as chain saw noise can damage hearing.
Secure hair above shoulder length. Do not wear loose clothing or jewelry; they
can get caught in moving parts.
Keep all parts of your body away
from the chain when the engine is
running.
Keep children, bystanders, and ani- mals at least 30 feet (10 meters)
away from the work area when start- ing and using the saw.
Do not handle or operate a chain saw when you are fatigued, ill, or up-
set, or if you have taken alcohol, drugs, or medication. You must be in
good physical condition and mentally alert. If you have any condition that
might be aggravated by strenuous
work, check with doctor before oper-
ating.
Do not start cutting until you have a clear work area, secure footing, and especially if you are felling a tree, a
retreat path.
2
OPERATE YOUR SAW SAFELY
Do not operate with one hand. Seri- ous injury to the operator, helpers, or bystanders may result from one-
handed operation. A chain saw is in-
tended for two-handed use.
Operate the chain saw only in a well- ventilated outdoor area.
Do not operate saw from a ladder or in a tree.
Make 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.
Do not put pressure on the saw, es- pecially at the end of the cut. Doing
so can cause you to lose control
when the cut is completed.
Stop engine before setting saw down.
Hand carry saw only when engine is stopped. Carry with muffler away
from body; guide bar & chain project-
ing behind you; guide bar preferably covered with a scabbard.
Do not operate a chain saw that is damaged, improperly adjusted, or not
completely and securely assembled.
Always replace bar, chain, hand
guar& chain brake, or other parts im- mediately if they become damaged, broken, or are otherwise removed.
MAINTAIN YOUR SAW IN GOOD
WORKING ORDER
Have all chain saw service per-
formed by a qualified service dealer
except the items listed in the MAINTE- NANCE section of this manual.
Make certain the saw chain stops moving when the throttle trigger is released. For correction, refer to CARBURETOR ADJUSTMENTS.
Keep the handles dry, clean, and
free from oil or fuel mixture.
Keep caps and fasteners securely
tightened.
Nonconforming replacement compo- nents or the removal of safety devices
may cause damage to the unit and possible injury to the operator or by-
standers. Use only Craftsman acces- sories and replacement parts as rec-
ommended. Never modify your saw.
Maintain chain saw with care.
Keep unit sharp and clean for better and safer performance.
Follow instructions for lubricating and changing accessories.
Check for damaged parts. Before fur- ther use of the chain saw, a guard or
other part that is damaged should be carefully checked to determine that it
will operate properly and perform its
intended function. Check for alignment of moving parts, binding of moving
parts, breakage of parts, mounting and any other conditions that may affect its
operation. A guard or other part that is damaged should be properly repaired
or replaced by a Sears Service Center unless otherwise indicated elsewhere
in the instruction manual.
When not in use, chain saws should
be stored in a dry, high or locked-up place out of the reach of children.
When storing saw, use a scabbard or
carrying case.
HANDLE FUEL WITH CAUTION
Do not smoke while handling fuel or while operating the saw.
Eliminate all sources of sparks or flame in areas where fuel is mixed or
poured.
Mix and pour fuel in an outdoor area
and use an approved, marked con-
tainer for all fuel purposes. Wipe up
all fuel spills before starting saw.
Move at least 10 feet (3 meters) from fueling site before starting.
Turn the engine off and let saw cool
in a non-combustible area, not on dry leaves, straw, paper, etc. Slowly
remove fuel cap and refuel unit.
Store the unit and fuel in a cool, dry well ventilated space where fuel va-
pors cannot reach sparks or open
flames from water heaters, electric
motors or switches, furnaces, etc.
GUARD AGAINST KICKBACK
Follow all safety rules to help avoid kickback and other forces which can
result in serious injury.
_k Path
__ctions
Clear The Working Area
4f_WARNING: Avoid kickback which can result in serious injury. Kickback
is the backward, upward or sudden for-
ward 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.
Rotational Kickback can occur when the moving chain contacts an
object at the upper 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 toward the operator.
Pinch-Kickback can occur when the the 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 sud- den 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.
Pull-In can occur when the moving
chain contacts a foreign object in the
wood in the cut along the bottom of the guide bar and the saw chain is
suddenly stopped. This sudden stop- ping pulls the saw forward and away
from the operator and could easily
cause the operator to lose control of
the saw.
REDUCE THE CHANCE OF KICKBACK
Recognize that kickback can happen. With a basic understanding of kick-
back, you can reduce the element of surprise which contributes to acci-
dents,
Never let the moving chain contact
any object at the tip of the guide bar,
Keep 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 cutting,
When cutting a branch, do not let the
guide bar contact another branch or other objects around it.
Keep saw chain sharp and properly tensioned. A loose or dull chain can
increase the chance of kickback. Follow manufacturer's chain sharp-
ening and maintenance instructions. Check tension at regular intervals, but never with engine running. Make sure chain brake nuts are securely
tightened.
Begin and continue cutting at full speed. If the chain is moving at a slower speed, there is greater chance of kickback occurring.
Use extreme caution when reenter- ing a cut.
Do not attempt cuts starting with the
tip of the bar (plunge cuts).
Watch for shifting logs or other forces
that could close a cut and pinch or fall into chain.
Use the specified Reduced-Kickback Guide Bar and Low-Kickback Chain.
Avoid Pinch-Kickback:
Be extremely aware of situations or obstructions that can cause material
to pinch the top of or otherwise stop the chain.
Do not cut more than one log at a
time.
Do not twist saw as bar is withdrawn
from an undercut when bucking.
Avoid Pull-In:
Always begin cutting with the engine at full speed and the saw housing against wood.
Use wedges made of plastic or
wood. Never use metal to hold the
cut open.
MAINTAIN CONTROL
Stand to the left of the saw
underside
Thumb on 'il
Elbow locked
Never reverse hand 3ositions
A good, firm grip on the saw with both hands will help you maintain control. Don't let go. Grip the rear handle with
your right hand whether you are right
or left handed. Wrap the fingers of
your left hand over and around the front handlebar, and your left thumb
under the front handlebar. Keep your left arm straight with the elbow locked.
Position your left hand on the front handlebar so it is in a straight line
with your right hand on the rear han-
dle when making bucking cuts.
Standslightlytotheleftsideofthe sawtokeepyourbodyfrombeingin adirectlinewiththecuttingchain.
Standwithyourweightevenlybal- ancedonbothfeet.
Donotoverreach,Youcouldbe drawnorthrownoffbalanceandlose control,
Donotcutaboveshoulderheight.It isdifficulttomaintaincontrolofsaw
aboveshoulderheight.
KICKBACK SAFETY FEATURES
_II_WARNING: The following features are included on your saw to help reduce
hazard of kickback; however, such fea-
tures will not totally eliminate this danger.
Do not rely only on safety devices. Fol- low all safety rules to help avoid kick- back and other forces which can result
In senous injury,
Front Hand Guard: designed to re- duce the chance of your left hand
contacting the chain if your hand slips off the front handlebar,
Position of front and rear handlebars: designed with distance between
handles and "in-line" with each other. The spread and "in-line" position of
the hands provided by this design work together to give balance and
resistance in controlling the pivot of
the saw back toward the operator if
kickback occurs.
Reduced-Kickback Guide Bar: de- signed with a small radius tip which
reduces the size of the kickback danger zone on the bar tip, This type
bar has been demonstrated to signif- icantly reduce the number and seri-
ousness of kickbacks when tested in accordance with ANSI B175,1,
__ Small Radius
Tip Guide Bar
h-%
Low-Kickback Chain: has met kick- back performance requirements when
tested on a representative sample of
chain saws below 3,8 cubic inch displacement specified in ANSI
B175.1.
Low-Kickback Chain
Contoured Depth Gauge
deflects kickback force and allows
__ longated Guard Link
wood to gradually ride into Cutter
CHAIN BRAKE
Chain Brake: designed to stop the chain in the event of kickback.
oWARNING: WE DO NOT REP-
RESENTAND YOU SHOULD NOTAS- SUME THAT THE CHAIN BRAKE WILL
PROTECT YOU INTHE EVENT OF A KICKBACK. Kickback is a lightning fast
action which throws the bar and rotat- ing chain back and up toward the op- erator, Kickback can be caused by al-
lowing 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
operator. 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 UPONANY OF THE DEVICES BUILT INTO YOUR
SAW. YOU SHOULD USE THE SAW PROPERLYAND CAREFULLY TO AVOID
KICKBACK. Reduced-kickback guide bars and low-kickback saw chains re-
duce the chance and magnitude of kickback and are recommended. Your
saw has a low kickback chain and bar as original equipment, Repairs on a chain brake should be made by an au-
thorized Sears Service Center, Take your unit to the place of purchase or to
your nearest Sears Service Center.
Tip contact in some cases may cause a lightning fast reverse REACTION,
kicking guide bar up and back toward operator,
Pinching the saw chain along the top of the guide bar may push the guide
bar rapidly back toward the operator,
Either of these reactions may cause
you to lose control of the saw which
could result in serious injury. Do not rely exclusively upon safety devices built into your saw,
SAFETY NOTICE: Exposure to vibra- tions through prolonged use of gaso-
line powered hand tools could cause blood vessel or nerve damage in the
fingers, hands, and joints of people
prone to circulation disorders or
abnormal swelling. 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 anti-vi-
bration system does not guarantee the avoidance of these problems. Users who operate power tools on a continu- al and regular basis must closely monitor their physical condition and
the condition of this tool. CHAIN BRAKE: If this saw is to be
used for commercial logging, a chain
brake is required and shall not be re- moved or otherwise disabled to com-
ply with Federal OSHA Regulations for Commercial Logging.
zl, _____.H_
_IbWARNING: Before using chain saw, ensure all fasteners are secure.
CARTON CONTENTS Check carton contents against the fol-
lowing list.
Model 358.360821
Chain Saw (fully assembled) Bar tool
2-cycle engine oil Carrying case Hearing protection
Gloves
Examine parts for damage. Do not use damaged parts.
SPARK ARRESTING SCREEN: 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 Cali- fornia, Idaho, Maine, Minnesota, New Jersey, Oregon, and Washington re-
quire by law that many internal com-
bustion engines 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 operat-
ing condition of these parts. Failure to
do so is a violation of the law. Refer to
Customer Responsibilities chart in the
MAINTENANCE section.
STANDARDS: This chain saw is listed
by Underwriters Laboratories, Inc. in
accordance with American National
Standards for Gasoline-Powered
Chain Saws Safety Requirements
(ANSI B175.1-2000).
If you need assistance or find that
parts are missing or damaged, please
call 1_800_235-5878.
NOTE: It is normal to hear the fuel filter
rattle in an empty fuel tank. Your unit has been factory tested and
the carburetor precisely adjusted. As a
result you may smell gasoline or find a
drop of oillfuel residue on the muffler when you unpack the unit.
ASSEMBLY
Your saw is fully assembled; no
assembly is necessary.
KNOW YOUR SAW
READ THiS INSTRUCTION MANUALAND 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 ref-
erence.
Chain
Adjustment Tool
Front Hand Guard
Front Handle
(Bar Tool)
,/ ON/STOP
p/_, Switch
Chain Muffler
_ Primer
Bulb
_'_ Starter Rope
7
Bar Oil Fill Cap/$1
Cylinder Cover
er
Housin_
Fuel Mix FillCap
Throttle
Rear Lockout Handle
Throttle Choke/ Chain Trigger Fast Idle Brake
Lever
Chain Brake Nuts Guide
Chain Catcher
ON/STOP SWITCH
The ON/STOP SWITCH is used to stop the engine.
THROTTLE TRIGGER
The THROTTLE TRIGGER controls en- gine speed.
THROTTLE LOCKOUT
The THROTTLELOCKOUTmust be
pressed before you can squeeze the throttle trigger. This feature prevents you from accidentally squeezing the trigger.
CHOKE/FAST IDLE LEVER The choke and fast idle are set by pull-
ing the CHOKE/FAST IDLE LEVER out fully for cold or refueled starting. The
choke provides additional fuel to the engine during cold starting.
Chain Direction
of Travel
PRIMER BULB
The PRIMERBULB circulates fuel to the carburetor to provide quicker starting.
CHAIN BRAKE The CHAIN BRAKEis a device de-
signed to stop the chain if kickback oc- curs. The chain brake activates auto-
matically in the event of kickback. The chain brake activates manually if the
front hand guard is pushed forward.
The chain brake is disengaged by pull- ing the front hand guard back toward
the front handle 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 fre- quently. See CHAIN TENSION under the
SERVICEANDADJUSTMENTSsection.
41_,WARNING: Muffler is very hot during and after use, Do not touch the
muffler or allow combustible material such as dry grass or fuel to do so.
BEFORE STARTING ENGINE
_ILWARNING: Be sure to read the fuel handling information in the safety
rules section of this manual before you
begin. If you de net understand the fuel handling information de not at-
tempt to fuel your unit. Seek help from someone that does understand the in- formation or call the customer assis-
tance help line at 1-800-235-5878. GUIDE BAR AND CHAIN OIL
The bar and chain require lubrication. The chain oiler provides continuous
lubrication to the chain and guide bar.
Be sure to fill the bar oil tank when you fill the fuel tank (Capacity = 6.8 fi. ez.).
Lack of oil will quickly ruin the bar and chain. Too little oil will cause overheat-
ing shown by smoke coming from the chain and/or discoloration of the bar.
For maximum guide bar and chain life, we recommend you use Craftsman
chain saw bar oil. If Craftsman bar oil
is not available, you may use a good grade SAE 30 oil until you are able to
obtain Craftsman brand. The oil output
is automatically metered during opera- tion. Your saw will use approximately
one tank of bar oil for every tank of fuel mix. Always fill the bar oil tank when
you fill the fuel tank.
FUELING ENGINE
•IIb,WARNING: Remove fuel cap slowly when refueling.
This engine is certified to operate on unleaded gasoline. Before operation,
gasoline must be mixed with a good quality synthetic 2-cycle air-cooled em
gine oil. We recommend Craftsman
brand synthetic oil. Mix gasoline and oil at a ratio of 40:1. A 40:1 ratio is ob-
tained by mixing 3.2 ounces of oil with
1 gallon of unleaded gasoline. In- cluded with this saw is a 3.2 ounce
container of Craftsman brand synthetic oil. Pour the entire contents of this
container into 1 gallon of gasoline to achieve the proper fuel mixture.
DO NOT USE automotive oil or boat oil. These oils will cause engine damage,
When mixing fuel, follow instructions
printed on the oil container. Once oil is added to the gasoline,
shake container momentarily to assure
that the fuel is thoroughly mixed. Al- ways read and follow the safety rules
relating to fuel before fueling your unit.
IMPORTANT
Experience indicates that alcohol blended fuels (called gasoho] or using
ethanol or methanol) can attract mois-
ture which leads to separation and formation of acids during storage.
Acidic gas can damage the fuel sys- tem of an engine while in storage. To
avoid engine problems, the fuel sys- tem should be emptied before storage for 30 days or longer. Drain the gas
tank, start the engine and let it run until the fuel lines and carburetor are empty.
Use fresh fuel next season. See STOR- AGE instructions for additional informa*
tion.
Never use engine or carburetor clean-
er products in the fuel tank or perma*
nent damage may occur.
See the STORAGE section for addition-
al information.
CHAIN BRAKE
Ensure chain brake is disengaged by
pulling the front hand guard back to- ward the front handle as far as pos-
sible. The chain brake must be disem
gaged before cutting with the saw. d_IkWARNING: The chain must net
move when the engine runs at idle
speed. If the chain moves at idle
speed, refer to CARBURETOR ADJUST-
MENTwithin this manual. Avoid con* tact with the muffler. A hot muffler can
cause serious burns.
STOPPING YOUR ENGINE
Move ON/STOP switch to the STOP position.
ON/STOP SWITCH
oN
STARTING 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.
Starter Rope Handle
Right Foot Throu_
h RearHandle
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.
STARTING A COLD ENGINE (or a warm engine after running out of
fuel)
NOTE: In the following step& when
the choke/fast idle lever is pulled out to the full extent, the correct throttle set-
ting for starting is set automatically.
1. Move ON/STOP switch to the ON position.
2. Pull choke/fast idle lever out to the full extent.
3. Slowly press primer bulb 6 times.
4. Pull the starter rope quickly with your right hand 5 times. Then, pro-
ceed to the next step.
NOTE: If the engine sounds as if it is
trying to start before the 5th pull, stop
pulling and immediately proceed to the next step.
5. Push the choke/fast idle lever in
completely (to the OFF CHOKE position).
6. Pull the starter rope quickly with your right hand until the engine
starts.
7. Allow the engine to run for approxi-
mately 5 seconds. Then, squeeze and release throttle trigger to allow engine to return to idle speed.
._./ON/STOP _//
Choke/Fast Idle
Lever
CHOKE/FAST IDLE LEVER
= (SIDE VIEW)
Chok It Fast Idle Lever OFF FULL
STARTING A WARM ENGINE
1. Move ON/STOP switch to the ON position,
2. Pull the choke/fast idle lever out to the full extent, then push the lever
back in completely (to the OFF CHOKE position).
3, Slowly press primer bulb 6 times.
4. Pull the starter rope quickly with your right hand until the engine
starts,
5. Squeeze and release throttle trig* ger, allowing engine to idle,
DIFFICULT STARTING (or starting a
flooded engine)
The engine may be flooded if it has net started after 10 pulls.
Flooded engines can be cleared of ex- cess fuel by following the warm engine
starting procedure listed above, Insure
the ON/STOPswitch is in the ON position.
Starting could require many pulls de- pending on hew badly the unit is
flooded. If engine still fails to start, refer to the TROUBLESHOOTING TABLE or
call 1-800-235-5878. CHAIN BRAKE
_kWARNING: 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 must be re-
placed if any part is worn to less than
0.020 inch (0.5 mm) thick. Repairs on a
chain brake should be made by your Sears Service Center. Take your unit to
the place of purchase or to the nearest
Sears Service Center.
This saw is equipped with a chain
brake. The brake is designed to stop
the chain if kickback occurs.
Theinertia-activatedchainbrakeis activatedifthefronthandguardis
pushedforward,eithermanually(by hand)orautomatically(bysudden movement).
Ifthebrakeisalreadyactivated,itis disengagedbypullingthefronthand
guardbacktowardthefronthandle asfaraspossible.
Whencuttingwiththesaw,thechain brakemustbedisengaged.
Disengaged
Braking function control
CAUTION: The chain brake must be
checked several times daily. The en- gine must be running when performing
this procedure, This is the only
instance when the saw should be placed on the ground with the engine
running.
Place the saw on firm ground. Grip the
rear handle with your right hand and the front handle 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 approxi- mately 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 tip of the guide bar fall forward and contact the
stump. When the tip of the bar hits the stump, the brake should activate.
OPERATING TIPS
Check chain tension before first use
and after 1 minute of operation. See CHAIN TENSION in the MAINTENANCE section,
Cut wood only. Do not cut metal,
plastics, masonry, nomwood building materials, etc.
Stop the saw if the chain strikes a foreign object. Inspect the saw and
repair parts as necessary.
Keep the chain out of dirt and sand.
Even a small amount of dirt will quickly dull a chain and increase the
possibility of kickback.
Practice cutting a few small logs us-
ing the following steps. This will help
you get the "feel" of using your saw
before you begin a major sawing op- eration.
Squeeze the throttle trigger and al- low the engine to reach full speed before cutting.
Begin cutting with the saw frame against the log.
Keep the engine at full speed the entire time you are cutting.
Allow the chain to cut for you. Exert only light downward pressure.
Release the throttle trigger as soon as the cut is completed, allowing
the engine to idle. If you run the saw at full throttle without a cutting
load, unnecessary wear can occur to the chain, bar and engine. It is
recommended that the engine
not be operated for longer than 30 seconds at full throttle.
To avoid losing control when cut is complete, do not put pressure on saw at end of cut.
Stop engine before setting saw down.
TREE FELLING TECHNIQUES
_WARNING: Check for broken or
dead branches which can fall while cutting causing serious injury. Do not
cut near buildings 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.
Carefully plan your sawing operation in advance.
Clear the work area. You need a clear area all around the tree so you
can have secure footing.
The chain saw operator should keep on the uphill side of the terrain as the
tree is likely to roll or slide downhill
after it is felled.
Study the natural conditions that can cause the tree to fall in a particular
direction. These conditions include:
10
Thewinddirectionandspeed.
Theleanofthetree.Theleanofa treemightnotbeapparentdueto
unevenorslopingterrain.Usea plumborleveltodeterminethedi-
rectionoftreelean.
Weightandbranchesononeside.
Surroundingtreesandobstacles.
Lookfordecayandrot.Ifthetrunkis rotted,itcansnapandfalltowardthe
operator.
Makesurethereisenoughroomfor
thetreetofall.Maintainadistanceof
2-1/2treelengthsfromthenearest personorotherobjects.Engine
noisecandrownoutawarningcall.
Removedirt,stones,loosebark, nails,staples,andwirefromthetree
wherecutsaretobemade.
Planaclearretreatpath
;t.... t )--,,,,,,,,,,,,_-DirectionofFall
/÷#"
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 desired direction of fall After a felling cut is made on the opposite
side of tree, the tree will tend to fall in the direction of the notch.
NOTE: If tree has large buttress roots,
remove them before making the notch.
If using saw to remove buttress roots, keep saw chain from contacting ground to prevent dulling of the chain.
NOTCH CUT AND FELLING TREE
Make 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 cutting the bottom. See
illustration. Once the notch is cut, re- move the wedge of wood from tree.
Felling cut here
Notch _ .
_ge
Se / \
After removing the wood from the notch, make the felling cut on the op-
posite 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
Opening of felling cut
Closing of 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.
Be alert to signs that the tree is ready to fall: cracking sounds, widen-
ing of the felling cut, or movement in
the upper branches.
As tree starts to fall, stop saw, put it down, and get away quickly on your
planned retreat path.
DO NOT use your saw to cut down a partially fallen tree. Be extremely
cautious with partially fallen trees
that may be poorly supported. When
a tree doesn't fall completely, 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 leg size. _!I_WARNING: Do net stand on the
leg being cut. Any portion can roll causing loss of footing and control. Do
not stand downhill of the log being cut. IMPORTANT POINTS
Cut only one log at a time.
Cut shattered wood very carefully; sharp pieces of wood could be flung
toward operator.
Use 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.
11
Donotcutinanareawherelogs, limbs,androotsaretangled.Draglogs
intoaclearareabeforecuttingthem bypullingoutexposedandcleared logsfirst.
BUCKING TECHNIQUES
_I_WARNING: If saw becomes
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 saw and carefully reenter the cut,
De not use a metal wedge. De not at-
tempt 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 leg. When evercutting use
light downward pressure.
Overcutting Undercutting
Second cut
First cut on compression side of log
BUCKING WITHOUT A SUPPORT
Overcut through I/3 of the diameter of the log.
Roll the leg over and finish with a second overcut.
Watch for logs with a compression side to prevent the saw from pinch-
ing. See illustrations above for cut-
ting logs with a compression side.
BUCKING USING A LOG OR SUPPORT STAND
Remember your first cut is always on
the compression side of the log. (Re- fer to the illustrations below for your
first and second cut).
Your first cut should extend 1/3 of the diameter of the log.
Finish with your second cut.
Using a log for support
_1 stCul
Undercutting involves cutting on the underside of the log with top of saw against the leg. When undercutting
use light upward pressure. Hold saw firmly and maintain control, The saw
will tend to push back toward you.
£= _____.__
_IbWARNING: Never turn saw up- side down to undercut, The saw can-
not be controlled in this position. Always make your first cut on the
compression side of the log. The com-
pression side of the log is where the
pressure of the log's weight is concen- trated.
First cut on co_ression side of log
Second cut
' ,% 1st Cut
Using a support stand
/_ 2 nd Cut
L ts, out
l cuLt.
2 nd Cut _"/'_
12
LIMBING AND PRUNING
E;IlbWARNING: Be alert for and guard against kickback. Do net allow
the moving chain to contact any other
branches or objects at the nose of the guide bar when limbing or pruning, Al-
lowing such contact can result in seri- ous injury.
_!kWARNING: Never climb into a tree to limb or prune, Do not stand on
ladders, platforms, a leg, or in any po- sition which can cause you to lose
your balance or control of the saw.
IMPORTANT POINTS
Watch out for springpeles.
Springpoles are small size limbs
which can whip toward you, or pull you off balance. Use extreme cau- tion when cutting small size limbs.
Be alert for springback from any
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.
Frequently clear branches out of the
way to avoid tripping over them.
LIMBING
Limb a tree only after it is cut down.
Leave the larger limbs underneath
the felled tree to support the tree as you work.
Start at the base of the felled tree
and work toward the top, cutting branches and limbs. Remove small
limbs with one cut.
Keep the tree between you and the chain.
Remove larger branches with the cutting techniques described in
BUCKING WITHOUT A SUPPORT.
Always use an overcut to cut small and freely hanging limbs. Undercut-
ting 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 shoul-
der. Get a professional to de the job.
Make your first cut 1/3 of the way
through the bottom of the limb. This
cut will make the limb sag so that it
falls easily on the second cut,
Next make the second cut an over- cut all the way through the limb.
Finish the pruning operation by using an overcut so that the stump of the
limb protrudes 1 to 2 inches from the
trunk of the tree.
Second cut
_lFi;Sto_ay
3rd cut 1 to 2 in. from trunk of tree
13
CUSTOMER RESPONSIBILITIES
_IkWARNING: Disconnect the spark plug before performing maintenance
except for carburetor adjustments.
Fill in dates as you complete Before After Every Every Service regular service Use Use 5 hrs. 25 hrs. Yearly Dates
Check for damaged/worn parts _" Check for loose fasteners/parts
Check chain tension _"
Check chain sharpness _' Check guide bar _' Check fuel mixture level _'
Check guide bar and chain oil _'
Inspect and clean unit & decals _'
Check chain brake _' Clean guide bar groove s/
Clean air filter _'
Clean/inspect muffler and spark s/ arresting screen
Replace spark plug and fuel filter _'
GENERAL RECOMMENDATIONS
The warranty on this unit does not cov- er items that have been subjected to
operator abuse or negligence. To re- ceive full value from the warranty, the
operator must maintain unit as instruct- ed in this manual. Various adjustments
will need to be made periodically to
properly maintain your unit.
Once a year, replace the spark plug, air filter element, and check guide
bar and chain for wear. A new spark plug and air filter element assures
proper air-fuel mixture and helps
your engine run better and last long-
er.
CHECK FOR DAMAGED OR
WORN PARTS
Contact Sears Service Center for re-
placement of damaged or worn parts. NOTE: It is normal for a small amount
of oil to appear under the saw after en- gine stops. Do not confuse this with a
leaking oil tank.
ON/STOPSwitch - Ensure ON/STOP switch functions properly by moving
the switch to the STOP position.
Make sure engine stops; then restart engine and continue.
Fuel Tank - Do not use saw iffuel tank shows signs of damage or
leaks.
Oil Tank - Do not use saw if oil tank
shows signs of damage or leaks.
CHECK FOR LOOSE FASTENERS AND PARTS
Chain Brake Nuts Chain
Muffler Cylinder Shield
Air Filter
Handle Screws
Vibration Mounts
Starter Housing
Front Hand Guard
CHECK CHAIN TENSION
_IkWARNING: Wear protective
gloves when handling chain. The chain is sharp and can cut you even
when it is not moving.
Chain tension is very important. Chains stretch during use. This is es-
pecially true during the first few times
you use your saw. Always check
chain tension each time you use and refuel your saw.
14
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