Craftsman 358351820 User Manual CHAIN SAW Manuals And Guides L0809456
CRAFTSMAN Chainsaw, Gas Manual L0809456 CRAFTSMAN Chainsaw, Gas Owner's Manual, CRAFTSMAN Chainsaw, Gas installation guides
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Operator's
Manual
I CRRFTSMRN°I
2.4 cu.in./40cc 2-Cycle
GASOLINE CHAIN SAW
Model No.
358.351820
•
- 18 in. Bar
Safety
• Assembly
• Operation
• Maintenance
•
Parts List
•
Espa_ol,
p. 27
CRAFTSMAN'
WARNING:
Read and follow all Safety Rules and Operating
Instructions
before first use of this product.
For answers
Call 7 am-7
to your questions about this product:
pm, Mon-Sat;
Sun, 10 am-7 pm
1-800-235-5878
Sears, Roebuck
545167694
(Hours
and Co., Hoffman
Rev. 2
6/26/08
BRW
listed are Central Time)
Estates,
IL 60179 U.S.A.
Warranty
Safety Rules
Assembly
Operation
Maintenance
Service and Adjustments
2
2
6
7
14
17
Storage
Troubleshooting
Table
Emissions Statement
Parts List
Spanish
Parts & Ordering
20
21
23
25
27
Back Cover
TWO YEAR FULL WARRANTY
ON CRAFTSMAN
GAS CHAIN SAW
When used and maintained according to the operator's manual, if this product fails
due to a defect in material or workmanship within two (2) years from the date of purchase, return it to any Sears store, Sears Service Center, or other Craftsman outlet in
the United States for free repair (or replacement if repair proves impossible).
This warranty excludes the bar, chain, spark plug and air filter, which are expendable parts that can wear out from normal use in less than one year.
This warranty applies for only 30 days from purchase date if this product is ever
used for commercial or rental purposes.
This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.
Sears, Roebuck and Co., Hoffman
Estates, IL 60179
WARNING:
Always disconnect
spark plug wire when making repairs except for carburetor adjustments. Because a chain saw is a high-speed
wood-cutting tool, special precautions
must be observed to reduce the 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 safety rules, precautions, and
operating instructions found in this
manual.
Hearing
Protection
*_.l
Snug
Fitting
Clothing
Safety
Shoes
_
Jk"l
w,o_
.j
Safety Hat
Eye
Protection
Heavy Duty
Gloves
Safety Chaps
• Wear protective gear. Always use
steel-toed safety footwear with non-slip
soles; snug-fitting clothing; heavy-duty,
non-slip gloves; eye protection 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 animals a minimum of 30 feet (10 meters) away from the work area when
starting and using the saw.
• 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. If
you have any condition that might be
aggravated by strenuous work, check
with doctor before operating.
• 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
• Follow instructions for lubricating and
• Donotoperate
achain
sawwithone changing accessories.
hand.
Serious
injury
totheoperator, • Check for damaged parts. Before furhelpers,
bystanders
oranycombina- ther use of the chain saw, a guard or
tionofthese
persons
mayresult
from other part that is damaged should be
one-handed
operation.
Achain
saw
carefully checked to determine that it
isintended
fortwo-handed
use.
will operate properly and perform its
• Operate
thechain
sawonlyinawell- intended function. Check for alignment
ventilated
outdoor
area.
of moving parts, binding of moving
• Donotoperate
sawfromaladder
or
parts, breakage of parts, mounting and
inatree.
any other conditions that may affect its
• Make
surethechain
willnotmake
operation. A guard or other part that is
contact
withanyobject
whilestarting damaged should be properly repaired
theengine. Never try to start the saw
or replaced by a Sears Service Center
when the guide bar is in a cut.
• Do not put pressure on the saw at
the end of the cut. Applying pressure
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 projecting 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 guard, or chain brake immediately if it becomes damaged, broken
or is otherwise removed.
MAINTAIN YOUR SAW IN GOOD
WORKING ORDER
,_LWARNING:
Disconnect
the
spark plug before performing maintenance except carburetor adjustments.
• Have all chain saw service performed
by a qualified service dealer with the
exception of the items listed in the
MAINTENANCE section of this manual.
• Make certain the saw chain stops
moving when the throttle trigger is
released. For correction, refer to
CARBURETOR ADJUSTMENT.
• Keep the handles dry, clean, and
free from oil or fuel mixture.
• Keep caps and fasteners securely
tightened.
• Nonconforming replacement components or the removal of safety devices
may cause damage to the unit and
possible injury to the operator or bystanders. Use only Craftsman accessories and replacement parts as recommended. Never modify your saw.
• Maintain chain saw with care.
• Keep unit sharp and clean for better
and safer performance.
unless otherwise indicated elsewhere
in the operator's 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 the areas where fuel is
mixed or poured.
• Mix and pour fuel in an outdoor area
and use an approved, marked container for all fuel purposes. Wipe up
all fuel spills before starting saw.
• Move at least 10 feet (3 meters) from
fueling site before starting engine.
• 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.
• Empty the fuel tank before storing or
transporting the unit. Use up fuel left in
the carburetor by starting the engine
and letting it run until it stops.
• Store 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.
GUARD AGAINST KICKBACK
Follow all safety rules to help avoid
kickback and other forces which can
result in serious injury.
.
_'_\
j_;
Kickback Path
,_kWARNING:
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.
• 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 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.
• 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 stopping 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
kickback, you can reduce the element of surprise which contributes to
accidents.
• Never let the moving chain contact
any object at the tip of the guide bar.
• Keep the working area free from obstructions 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.
• Keep saw chain sharp and properly
tensioned. A loose or dull chain can
increase the chance of kickback. Follow manufacturer's chain sharpening
and maintenance instructions. Check
tension at regular intervals, but never
with the engine running. Make sure
the bar 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 re-entering a previous 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 Reduced-Kickback
Guide
Bar and Low-Kickback
Chain specified for your saw.
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 the saw as the 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
Thumb on
underside
t
of h_
\Elbow
locked
Never reverse hand positions
• 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
yourlefthandonthefront
handlebar
soitisinastraight
line
withyourrighthandontherear
handle
whenmaking
bucking
cuts.
Never
reverse
rightandlefthand
positions
foranytypeofcutting.
• Stand
withyourweight
evenly
balanced
onbothfeet.
• Donotoverreach.
Youcouldbe
drawn
orthrown
offbalance
andlose
control
ofthesaw.
• Donotcutabove
shoulder
height.
It
isdifficult
tomaintain
control
ofsaw
above
shoulder
height.
KICKBACK
SAFETY
FEATURES
_IkWARNING:
The following features are included on your saw to help
reduce the hazard of kickback; however,
such features will not totally eliminate
this danger. Do not rely only on safety
devices. Follow all safety rules to help
avoid kickback and other forces which
can result in serious injury.
• Front Hand Guard, designed to reduce
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, designed with a small radius tip which
reduces the size of the kickback
danger zone on the bar tip. This type
of bar has been demonstrated to significantly reduce the number and seriousness of kickbacks when tested
in accordance with ANSI B175.1.
Tip Guide Bar
_,_._,
Large Radius
Tip Guide Bar
Small Radius
[
'_'
• Low-Kickback
Chain, has met kickback 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
...........
Elongated Guard Link
force And allows
wood
deflectsto gradually
kickback
ride into Cutter
CHAIN BRAKE
• Chain Brake, designed to stop the
chain in the event of kickback.
_ILWARNING:
WE DO NOT REP-
RESENT AND YOU SHOULD NOT ASSUME THAT THE CHAIN BRAKE WILL
PROTECT YOU IN THE EVENT OF A KICKBACK. 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 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 UPON ANY OF
THE DEVICES BUILT INTO YOUR SAW.
YOU SHOULD USE THE SAW PROPERLY
AND CAREFULLY TO AVOID KICKBACK.
Reduced-kickback
guide bars and lowkickback saw chains reduce 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 authorized Sears Service Center. Take your unit to the place
of purchase if purchased from a servicing dealer, 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 devices built into
your saw.
ARRESTING
SCREEN:
Your
Thisunitisnotequipped
withananti- SPARK
vibration
system
andisintended
for
sawisequipped
withatemperature
occasional
useonly.
limiting
muffler
andspark
arresting
SAFETY
NOTICE:
Exposure
tovibra- screen
which
meets
therequirements
Codes
4442and4443.
tions
through
prolonged
useofgasoline ofCalifornia
forest
landandthestates
of
powered
hand
toolscould
cause
blood AllU.S.
Idaho,
Maine,
Minnesota,
vessel
ornerve
damage
inthefingers, California,
hands,
andjoints
ofpeople
prone
to
NewJersey,
Oregon,
andWashington
circulation
disorders
orabnormal
swell- require
bylawthatmany
internal
comings.
Prolonged
useincoldweather
has bustion
engines
tobeequipped
witha
been
linked
toblood
vessel
damage
in spark
arresting
screen.
Ifyouoperate
sawinastate
orlocale
where
otherwise
healthy
people.
Ifsymptoms achain
occur
suchasnumbness,
pain,
lossof suchregulations
exist,
youarelegally
strength,
change
inskincolor
ortexture, responsible
formaintaining
theoperatorlossoffeeling
inthefingers,
hands,
or ingcondition
ofthese
parts.
Failure
to
dosoisaviolation
ofthelaw.Refer
to
joints,
discontinue
theuseofthistool
andseekmedical
attention.
Ananti-vi- theCustomer
Responsibilities
chartin
section.
bration
system
does
notguarantee
the theMAINTENANCE
avoidance
ofthese
problems.
Users
Theengine
exhaust
whooperate
power
toolsonacontinual m_WARNIN_I:
andregular
basis
must
monitor
closely fromthisproduct
contains
chemicals
totheState
ofCalifornia
to
theirphysical
condition
andtheconditionknown
ofthistool.
cause
cancer,
birthdefects
orother
reCHAIN
BRAKE:
Ifthissawistobe
productive
harm.
Thischain
sawislisted
used
forcommercial
logging,
achain STANDARDS:
brake
isrequired
andshallnotbere- byUnderwriters
Laboratories,
Inc.inacmoved
orotherwise
disabled
tocom- cordance
withAmerican
National
StanforGasoline-Powered
Chain
plywithFederal
OSHA
Regulations
for dards
Commercial
Logging.
Saws
Safety
Requirements
(ANSI
B175.1-2000).
_WARNIN_I:Before
using
chain
saw,ensure
allfasteners
aresecure.
CARTON
CONTENTS
Check
carton
contents
against
thefollowing
list.
Model
358,351820
• Chain
saw(fully
assembled)
• Chain
adjustment
tool(bar
tool)
• 2-cycle
engine
oil
Examine
parts
fordamage.
Donotuse
damaged
parts.
Ifyouneed
assistance
orfindthatparts
aremissing
ordamaged,
please
call
1-800-235-5878.
NOTE:
Itisnormal
tohear
thefuelfilter
rattle
inanempty
fueltank.
Your
unithasbeen
factory
tested
and
thecarburetor
precisely
adjusted.
Asa
result
youmaysmell
gasoline
orfinda
drop
ofoil/fuel
residue
onthemuffler
when
youunpack
theunit.
ASSEMBLY
Yoursawisfullyassembled;
no
assembly
isnecessary.
KNOW
YOUR
CHAIN
SAW
READ THIS operator's manual AND SAFETY RULES BEFORE OPERATING YOUR CHAIN
SAW. Compare
the illustrations
with your unit to familiarize
yourself with the location
the various controls and adjustments.
Save this manual for future reference.
Chain
Adjustment Tool
(Bar Tool)
of
Front Handle
Starter Rope
Front Hand Guard.
_-
ON/STOP
Chain
Fast
Idle
Choke/
Lever
Switch
Muffler
/
Bar
Sprocket
Hole
Bar Oil Fill Cap _
I
/
Starter Housing
Cylinder,Cover
Fuel Mix Fill Cap
Primer
Bulb
Chain
_
Throttle
Lockout
Rear
\
Handle
Brake
Chain
Direction
of Travel
A
!
Guide Bar
Throttle
Trigger
,/
Clutch Cover
Chain
Catcher
Bar Nuts
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 manually if the front hand
guard is pushed forward. The chain
brake is disengaged by pulling 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 the first 15 minutes of operation.
You should check your chain tension
each time before you start the chain
saw. See CHAIN TENSION under the
MAINTENANCE section.
ON/STOP SWITCH
The ON/STOP SWITCH is used to stop
the engine.
THROTTLE TRIGGER
The THRO-FILE TRIGGER controls engine speed.
THROTTLE LOCK-OUT
The THRO-FILE LOCK-OUT must 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 pulling the CHOKE/FAST IDLE LEVER out to
the full extent for cold starting or after
refueling. The choke provides additional
fuel to the engine during cold starting.
PRIMER BULB
The PRIMER BULB circulates fuel to the
carburetor to provide quicker starting.
,_WARNING:
Ifthe saw is operated with a loose chain, the chain
could jump offthe guide bar and result
in serious injury to the operator and/or
damage the chain making it unusable.
7
BEFORE
STARTING
ENGINE
Once oil is added to the gasoline,
shake container momentarily to assure
that the fuel is thoroughly mixed. Always read and follow the safety rules
relating to fuel before fueling your unit.
IMPORTANT
Experience indicates that alcoholblended fuels (called gasohol or using
ethanol or methanol) can attract moisture which leads to separation and
formation of acids during storage. Acidic
gas can damage the fuel system of an
engine while in storage. To avoid engine
problems, the fuel system 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. Never use engine or carburetor cleaner products in the fuel tank
or permanent damage may occur.
See the STORAGE section for additional
information
_LWARNING:
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.
_,WARNING:
Be sure to read the
fuel handling information in the safety
rules section 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 information or call the customer assistance 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 ft. oz.).
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 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 operation. 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
CHAIN BRAKE
Ensure chain brake is disengaged by
pulling the front hand guard back toward
the front handle as far as possible. The
chain brake must be disengaged before
cutting with the saw.
_LWARNING:
The chain must not
move when the engine runs at idle
speed. If the chain moves at idle
speed refer to CARBURETOR ADJUSTMENT within this manual. Avoid contact
with the muffler. A hot muffler can
cause serious burns.
STOPPING YOUR ENGINE
• Release the throttle trigger.
• Move ON/STOP switch to the STOP
position.
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.
ENGINE
_LWARNING:
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 engine oil. We recommend Craftsman
brand synthetic oil. Mix gasoline and
oil ata ratio of 40:1. A40:1 ratio is obtained by mixing 3.2 ounces of oil with
1 gallon of unleaded gasoline. Included
with this saw is a 3.2 ounce container of
oil. Pour the entire contents of this container into 1 gallon of gasoline to
achieve the proper fuel mixture.
DO NOT USE automotive or boat oil.
These oils will cause engine damage.
When mixing fuel follow the instructions printed on the oil container.
Starter Rope Handle
Left Hand
on Front
Handle
Right Foot Through Rear Handle
8
5.
Push the choke/fast
idle lever in to
m_WARNING:
Donotattempt
to
the HALF CHOKE position.
throw
ordrop-start
thechain
saw.
CHOKE/FAST
IDLE LEVER
Doing
sowillputtheoperator
atriskof
serious
injury
duetolossofcontrol
of
thechain
saw.
OFF
IMPORTANT
POINTS
TOREMEMBER
/
HALF
When
pulling
thestarter
rope,
donot
/
FULL
usethefullextent
oftheropeasthis
/
cancause
therope
tobreak.
Donotlet
starter
ropesnapback.
Holdthehandleandlettheroperewind
slowly.
Forcoldweather
starting,
starttheunit
atFULL
CHOKE;
allow
theengine
to
warm
upbefore
squeezing
thethrottle 6. Pull the starter rope sharply with
trigger.
your right hand until the engine
NOTE:
Donotattempt
tocutmaterial starts.
withthechoke/fast
idlelever
intheFULL 7. Allow the engine to run for approxiCHOKE
position.
mately 30 seconds. Then, squeeze
STARTING
ACOLD
ENGINE
(orwarm
and release the throttle trigger to alengine
afterrunning
outoffuel)
low engine to return to idle speed.
NOTE:
Inthefollowing
steps,
when
the STARTING A WARM ENGINE
choke/fast
idleleverispulled
outtothe 1. Move ON/STOP switch to the ON
fullextent,
thecorrect
throttle
setting
for
position.
starting
issetautomatically.
2. Pull the choke/fast idle lever out to
IGNITION
SWITCH
ON
STOP
Lever
1.
Move ON/STOP switch to the ON
position.
2. Pull choke/fast idle lever out to the
full extent (to the FULL CHOKE position).
3. Slowly press primer bulb 6 times.
4. This unit has the Sim--pulTM starting
system. You do not have to pull the
starter rope handle sharply or briskly.
Using your right hand, pull starter
rope handle 5 times with a controlled
and steady motion. Then, proceed
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.
the FULL CHOKE position to set the
fast idle, then push the lever in to
the HALF CHOKE position.
3. Slowly press primer bulb 6 times.
4. Using your right hand, pull starter
rope handle with a controlled and
steady motion until engine starts.
5. Squeeze and release throttle trigger
to allow engine to return to idle
speed.
DIFFICULT STARTING (or starting a
flooded engine)
The engine may be flooded with too
much fuel if it has not started after 10
pulls.
Flooded engines can be cleared of excess fuel by pushing the choke/fast
idle lever in completely (to the OFF
CHOKE position) and then following the
warm engine starting procedure listed
above. Ensure the ON/STOP switch is
in the ON position.
Starting could require pulling the starter rope handle many times depending
on how badly the unit is flooded. If engine fails to start, refer to the TROUBLESHOOTING TABLE or call
1-800-235-5878.
CHAIN
BRAKE
_EWARNING:
Ifthe 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 replaced if any part is worn to less
than 0.020" (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.
• The inertia-activated
chain brake is
activated if the front hand guard is
pushed forward, either manually (by
hand) or automatically
(by sudden
movement).
• If the brake is already activated, it is
disengaged by pulling the front hand
guard back toward the front handle
as far as possible.
• When cutting with the saw, the chain
brake must be disengaged.
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
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 approximately 14
inches (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,
after 1 minute of operation, and each
time before you start the chain saw.
See CHAIN TENSION in the MAINTENANCE section.
• Cut wood only. Do not cut metal, plastics, masonry, non-wood building materials, etc.
• Stop the saw if the chain strikes a
foreign object. Inspect the saw and
repair or replace 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.
• Keep 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.
• Practice cutting a few small logs using the following techniques to get
the "feel" of using your saw before
you begin a major sawing operation.
• Squeeze the throttle trigger and allow 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.
If you force the cut, damage to the
bar, chain, or engine can result.
• 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. To maximize operating
efficiency, do not run the engine
for longer than 30 seconds at a
time at full throttle,
• To avoid losing control when cut is
complete, do not put pressure on
saw at end of cut.
• Stop the engine before setting the
saw down after cutting.
10
TREE FELLING
TECHNIQUES
_IkWARNING:
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 ale 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.
• 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.
Natural conditions that can cause a tree
to fall in a particular direction include:
• The wind direction and speed.
• 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 determine the direction of
tree lean.
• Weight and branches on one side.
• 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 2-1/2tree lengths from the nearest person or other objects. Engine
noise can drown out a warning call.
Remove dirt, stones, loose bark, nails,
staples, and wire from the tree where
cuts are to be made.
FELLING LARGE TREES
(6 inches (15 cm) 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 into
the notch.
NOTE:
roots,
notch.
roots,
ground
NOTCH CUT AND FELLING THE
TREE
• Make notch cut by cutting the top of
the notch first. Cut through 1/3of the
diameter of the tree. Next complete
the notch by cutting the bottom of the
notch. See illustration. 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 __"
Plan a clear retreat path
(}--_-
Direction of Fall
45 ° /_
/£xe'- _"
,2';
I
/
i/
--_-,.,
Hinge holds tree on stump and helps
control fall
Opening
of felling
"_'_/'L_
-t....
I
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 (5
cm) 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.
Plan a clear retreat path to the rear
and diagonal to the line of fall.
_1_
,<2,
If the tree has large buttress
remove them before making the
If using saw to remove buttress
keep saw chain from contacting
to prevent dulling of the chain.
Closing
notch
11
of
NOTE: Before felling cut is complete,
use wedges to open the cut if 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, widening 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 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 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 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
• 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.
• Do 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.
TYPES OF CUTTING
BUCKING
_I, WARNING:
USED FOR
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.
Restart 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.
OvercutUng begins on the top side of
the log with the bottom of the saw
against the log. When overcutting use
light downward pressure.
_L_ Overcutting
_/
Undercutting
""-',b
Undercutting
involves cutting on the
underside of the log with top of saw
against the log. When undercutting
use light upward pressure. Hold saw
firmly and maintain control. The saw
will tend to push back toward you.
_ILWARNING:
Nevertum
saw upside down to undercut. The saw cannot be controlled in this position.
Always make your first cut on the compression 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
• Overcut through 1/3of the diameter
of the log.
• Roll the log over and finish with a
second overcut.
• Watch for logs with a compression
side to prevent the saw from pinching. See illustrations for cutting 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.
12
(Refer
totheillustrations
below
for
yourfirstandsecond
cut)
• Your
firstcutshould
extend
1/3ofthe
diameter
ofthelog.
• Finish
withyoursecond
cut.
Using a log for support
2 nd Cut,
• Watch out for springpoles. Springpoles
are small size limbs which can catch
the saw chain and whip toward you or
pull you off balance. Use extreme caution when cutting small size limbs or
slender material.
• 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.
• Keep a clear work area. Frequently
clear branches out of the way to avoid
tripping over them.
LIMBING
• Always limb a tree after it is cut
down. Only then can limbing be done
safely and properly.
• 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. Cut from the side of the tree
opposite the branch you are cutting.
• Remove larger, supporting branches
with the cutting techniques described
in BUCKING WITHOUT A SUPPORT
• Always use an overcut to cut small
and freely hanging limbs. Undercutting
could cause limbs to fall and pinch the
saw.
PRUNING
LIMBING AND PRUNING
WARNING:
Be alert for and
guard against kickback. Do not allow the
moving chain to contact any other
branches or objects at the nose of the
guide bar when limbing or pruning. Allowing such contact can result in serious
injury.
_WARNING:
_IkWARNING:
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.
• Make your first cut 1/3 of the way
through the bottom of the limb.
• Next make a 2nd cut all the way
through the limb. Then cut a third
overcut leaving a 1 to 2 inch (2.5 to 5
cm) collar from the truck of the tree.
iTh::
cS.co//,c
Never climb into a
tree to limb or prune.
ladders, platforms, a
tion which can cause
balance or control of
Do not stand on
log, or in any posiyou to lose your
the saw.
Collar tit_
IMPORTANT POINTS
• Work slowly, keeping both hands firmly
gripped on the saw. Maintain secure
footing and balance.
X,,A!li # _
'
13
First cut
Pruning technique
CUSTOMER
RESPONSIBILITIES
_/LWARNING:
Disconnect the spark plug before performing
except for carburetor adjustments.
i
Before :_After Every Every
Yearly i Service
Use
5
hrs.
25
hrs.
Dates
Use
Fill in dates as you complete
regular service
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
maintenance
_
_"
Inspect and clean unit & decals
i
i
i
i
Check chain brake
Clean guide bar groove
Clean air filter
Clean/inspect
muffler and spark
arresting screen
Replace
spark plug and fuel filter
GENERAL RECOMMENDATIONS
The warranty on this unit does not cover items that have been subjected to
operator abuse or negligence. To receive full value from the warranty, the
operator must maintain unit as
instructed 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, and check guide bar and
chain for wear. A new spark plug and
air filter assures proper air-fuel mixture
and helps your engine run better and
last longer.
CHECK FOR DAMAGED
OR
WORN PARTS
Contact your Sears Service Center for
replacement of damaged or worn parts.
NOTE: It is normal for a small amount of
oil to appear under the saw after engine
stops. Do not confuse this with a leaking
oil tank.
• ON/STOP Switch - 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 if fuel
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
• Bar Nuts
• Chain
• Muffler
• Cylinder Shield
• Air Filter
• Handle Screws
• Vibration Mounts
• Starter Housing
• Front Hand Guard
CHECK CHAIN TENSION
,_
WARNING:
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 especially true
during the first few times you use your
saw. Always check chain tension each
time before you start the chain saw.
1. Use a screwdriver to move chain
around guide bar to ensure kinks
do not exist. The chain should rotate freely.
14
Guide
Bar
/
Bar Nuts /
2.
3.
Chain Adjustment
Tool
Adjusting
(Bar Tool)
Screw
Loosen bar nuts until they are
finger tight against the clutch cover.
Turn adjusting screw clockwise until chain solidly contacts bottom of
guide bar rail.
4.
Using a screwdriver, roll chain
around guide bar to ensure all links
are in bar groove.
5. Lift up tip of guide bar to check for
sag. Release tip of guide bar, then
turn adjusting screw until sag does
not exist.
6. While lifting tip of guide bar, tighten
bar nuts securely.
injury to the operator and/or damage the
chain making it unusable. If the chain
jumps off the guide bar, inspect each
drive link for damage. Damaged chain
must be repaired or replaced.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A
dull chain makes a sawdust powder
and cuts slowly. See CHAIN SHARPENING.
CHECK GUIDE BAR
Conditions which require guide bar
maintenance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut.
• Inadequate supply of oil to bar/chain.
Check the condition of guide bar each
time chain is sharpened. A worn guide
bar will damage the 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:
• Move ON/STOP switch to STOP.
• Loosen and remove bar nuts and
clutch cover. Remove bar and chain
from saw.
• Clean the oil holes and bar groove
after each 5 hours of operation.
Remove Sawdust From
Bar Nuts
Guide Bar G:ev__"
Oil Holes
7.
Use a screwdriver to move chain
around guide bar.
8. If chain does not rotate, it is too
tight. Slightly loosen bar nuts and
loosen chain by turning the adjusting screw
1/4 turn counterclockwise. Retighten bar nuts.
9. If chain is too loose, it will sag below the guide bar. DO NOT operate
the saw if the chain is loose.
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
.__
o
• Burring of guide bar rails is a normal
process of rail wear. Remove these
burrs with a flat file.
• When rail top is uneven, use a flat
file to restore square edges and
sides.
_('7
_
I"1
File Rail Edges_r]
17
and Sides
I U I
Square
I
I
Worn Groove
Correct Groove
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.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OPERATION section.
15
LUBRICATION
Cylinder
Cover
Air Filter
Cover
Bar Oil
Fill Cap
• See GUIDE BAR AND CHAIN OIL under the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
• After each use, inspect complete unit
for loose or damaged parts. Clean the
unit and decals using a damp cloth
with a mild detergent.
• Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION section.
CLEAN AIR FILTER
CAUTION:
Do not clean filter in gasoline or other flammable solvent to
avoid creating a fire hazard or producing harmful evaporative emissions.
Cleaning the air filter:
A dirty air filter decreases the life and
performance of the engine and increases fuel consumption and harmful
emissions. Always clean your air filter
after 10 tanks of fuel or 5 hours of operation, whichever comes first. Clean
more frequently in dusty conditions. A
used air filter can never be completely
cleaned. It is advisable to replace your
air filter with a new one after every 50
hours of operation, or annually, whichever comes first.
1.
2.
3.
4.
Loosen 3 screws on cylinder cover.
Remove cylinder cover.
Remove air filter cover and air filter.
Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3
screws. Tighten securely.
INSPECT MUFFLER AND SPARK
ARRESTING
SCREEN
,_IkWARNING:
The muffler on this
product contains chemicals known to
the State of California to cause cancer.
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.
Spark
Exhaust
Arresting Outlet
Screen
Cover
i
Muffler
Nut
CLEANING THE SPARK ARRESTING SCREEN
Cleaning is required every 25 hours of
operation or annually, whichever
comes first.
1. Loosen and remove the nut from
the exhaust outlet cover.
2. Remove the exhaust oulet cover.
3. Remove spark arresting screen.
Handle screen carefully to prevent
damage.
4. Clean the spark arresting screen
gently with a wire brush. Replace
screen if breaks are found.
5. Replace any broken or cracked
muffler parts.
6. Reinstall spark arresting screen, exhaust outlet cover, and nut. Tighten
nut securely.
16
REPLACE SPARK PLUG
The spark plug should be replaced
each year to ensure the engine starts
easier and runs better. Ignition timing
is fixed and nonadjustable.
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.
6.
7.
Replace with Champion RCJ-7Y
spark plug and tighten securely
with a 3/4 inch (19 mm) socket
wrench. Spark plug gap should be
0.025 inch (0,6 mm).
Reinstall the spark plug boot.
Reinstall the cylinder cover and 3
screws. Tighten securely.
,_WARNING:
Disconnect
the
spark plug before performing maintenance, service, or adjustments except
for carburetor adjustments.
CHAIN SHARPENING
,_WARNING:
Improper chain
sharpening techniques and/or depth
gauge maintenance will increase the
chance of kickback which can result in
serious injury.
WAR NI N G: 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:
• Reduction 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.
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut.
Tools required:
• 5/32 inch (4 mm) diameter round file
and file holder
• Flat file
• Depth gauge tool
REPLACE FUEL FILTER
To replace fuel filter, drain your unit by
running it dry of fuel. Remove fuel cap
and its connected retainer from tank.
Pull filter from tank and remove from
line. Replace and reassemble.
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.
• To 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
[
Cutter
Depth Gauge
•
Align the 30 ° file holder marks
parallel with the bar and to the
center of the chain.
_
Cutter.
File Holder Line
Sharpen cutters on one side of
the chain first. File from the inside of each cutter to the outside. Then, turn the chain saw
17
around and repeat the process
for the other side of the chain.
• File on the forward stroke only.
use 2 or 3 strokes per cutting
edge.
• Keep all cutters the same length
when filing.
• File enough to remove any damage to cutting edges (side plate
and top plate of cutter).
All Cutters
Remove Damage
Same Length
,./
©I
Top_Plate t,_ 70.2.]
S de P ate
_
"_
•
"_
"4
File chain to meet the specifications as shown.
,__ 85°
j
//"-,\60 °
\\\
/
",,\,
Hook Angle
0.025 inch
_
_'u_
Right
Too Much Hook Angle
em_)
Corner
Squared Off
Corner
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 Sears Service Center or
call our customer assistance help line at
1-800-235-5878.
CHAIN REPLACEMENT
WARNING:
Wear protective
gloves when handling chain. The
chain is sharp and can cut you even
when it is not moving.
It is normal for a new chain to stretch
during the first 15 minutes of operation.
You should recheck your chain tension
each time before you start the chain
saw and adjust the chain tension as
required. See CHAIN TENSION section.
Replace the old chain when it becomes worn or damaged. Use only the
Low-Kickback
replacement chain specified in the repair parts list. The correct replacement bar and chain is also
specified on a decal located on the
chain saw.
See your Sears Service Center to replace and sharpen individual cutters
on your chain.
TO REPLACE CHAIN:
1. Move ON/STOP switch to the STOP
position.
2. Remove bar nuts.
3. Remove clutch cover.
Wrong
,_/LWARNING:
Maintain the proper
hook angle according to the manufacturer's specifications
for the chain you
are using. Improper hook angle will
increase the chance of kickback which
can result in serious injury.
4. Check and lower depth gauges.
Depth Gauge Tool
Clutch
\
_-__/___-- File
Bar nuts
"'_.,_-
Depth Gauge
Place gauge tool on cutter.
If the depth gauge is higher than
the depth gauge tool, file it level
to the top of the depth gauge tool.
• Maintain rounded front corner of
depth gauge with a flat file.
Chain adjustment
(Bar Tool)
•
•
4,
18
tool _
_t
Turn adjusting screw on bar counterclockwise to move the tensioning rack as far as it will go toward
the front of the bar.
9.
I1'11
Tensioning Rack
5.
1_
Slide guide bar on bar bolts until
guide bar stops against clutch
drum sprocket.
Fit bottom of drive links between
the teeth in the sprocket in the
nose of the guide bar.
10. Fit chain drive links into bar groove.
11. Pull guide bar forward until chain is
snug in guide bar groove. Ensure
all drive links are in the bar groove.
12. Install clutch cover.
13. Install bar nuts and finger tighten
only. Do not tighten any further at
this point. Proceed to CHAIN ADJUSTMENT.
CHAIN ADJUSTMENT
See CHAIN TENSION in MAINTENANCE
section.
CARBURETOR
ADJUSTMENT
'_WARNING:
_.r:
Guide bar
Bar bolts
6.
7.
\
Remove the old chain.
Carefully remove the chain from the
package. Hold chain with the drive
links as shown.
_
ip of
Bar
D!IRECTION OF ROTATION
_z
Cutters
Depth Gauge
Drive Links
8.
Place chain over and behind clutch
retainer, fitting the drive links in the
clutch drum sprocket.
The chain will be
moving 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:
• Chain moves at idle. See IDLE
SPEED-T adjusting procedure.
• Saw will not idle. See IDLE SPEED-T
adjusting procedure.
Idle Speed-T
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). The idle speed
screw is located in the area above the
primer bulb and is labeled T
• Turn idle screw (T) clockwise to increase engine speed.
• Turn idle screw (T) counterclockwise
to decrease engine speed.
If you require further assistance or are
unsure about performing this procedure,
contact your Sears Service Center or
call our customer assistance help line at
1-800-235-5878.
19
_WARNIN_I:
Perform the following steps after each use:
• Allow the engine to cool, and secure
the unit before storing or transporting.
• Store chain saw and fuel in a well
ventilated area where fuel vapors
cannot reach sparks or open flames
from water heaters, electric motors or
switches, furnaces, etc.
• Store chain saw with all guards in
place and position chain saw so that
any sharp object cannot accidentally
cause injury.
• Store 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:
• Clean saw thoroughly before storage.
• Store in a clean dry area.
• Lightly oil external metal surfaces
and guide bar.
• Oil the chain and wrap it in heavy paper or cloth.
FUEL SYSTEM
Empty the fuel system 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.
Under FUELING ENGINE in the OPERATION 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 deposits during storage. Add
stabilizer to the gasoline in the fuel
tank or fuel storage container.
Follow the mix instructions found on
stabilizer containers. Run engine at
least 3 minutes after adding stabilizer.
Craftsman 40:1,2-cycle
engine oil (air
cooled) is blended with fuel stabilizer. If
you do not use this oil, you can add a
fuel stabilizer to your fuel tank.
ENGINE
• Remove spark plug and pour 1 teaspoon of 40:1,2-cycle
engine oil (air
cooled) through the spark plug opening. Slowly pull the starter rope 8 to
10 times to distribute oil.
• Replace spark plug with new one of
recommended type and heat range.
• Clean air filter.
• Check entire unit for loose screws,
nuts, and bolts. Replace any damaged, broken, or worn parts.
• At the beginning of the next season,
use only fresh fuel having the proper
gasoline to oil ratio.
OTHER
• Do not store gasoline from one season to another.
• Replace your gasoline can if it starts
to rust.
20
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.
TROUBLE
CAUSE
Engine will not
start or will run
only a few
seconds after
starting.
REMEDY
1. ON/STOP switch in
STOP position.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
6. Carburetor requires
adjustment.
7. None of the above.
Engine will
not idle
properly.
Engine will not
accelerate,
lacks power,
or dies under
a load.
Engine
smokes
excessively.
Chain moves
idle speed,
(see back cover).
1. Clean or replace air filter.
2. Clean or replace plug and regap.
3. Contact Sears Service (see back cover).
1. Choke partially on.
2. Fuel mixture incorrect.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Clean or replace air filter.
4. Contact Sears Service (see back cover).
incorrect.
1. Oil tank empty.
2. Oil pump or oil filter
clogged.
3. Guide bar oil hole
blocked.
at
Sears Service
1. Air filter dirty.
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4. Exhaust ports or muffler outlets plugged.
5. Compression low.
6. Chain brake engaged.
7. None of the above.
2. Spark plug incorrect.
3. High Speed Mixture
set too lean.
4. Exhaust ports or muffler outlets plugged.
5. Carbon build-up on
spark arresting screen.
6. Starter housing dirty
7. None of the above.
Oil inadequate
for bar and
chain
lubrication.
7. Contact
1. See "Carburetor Adjustment"
in the
Service and Adjustments Section.
2. Contact Sears Service (see back cover).
1. Fuel mixture
runs
2. See "Difficult Starting" in the
Operation Section.
3. Fill tank with correct fuel mixture.
4. Install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
6. Contact Sears Service (see back cover).
1. Idle speed set too high
or too low.
2. Low Speed Mixture
requires adjustment.
3. Crankshaft seals worn.
4. Compression
low.
5. None of the above.
3. Air filter dirty.
4. High Speed Mixture
requires adjustment.
5. Crankcase leak.
Engine
hot.
1. Move ON/STOP switch to ON.
1. Idle speed requires
adjustment.
2. Clutch requires repair.
3. Contact
4. Contact
5. Contact
4. Contact
Sears Service
Sears Service
Sears Service
(see back cover).
(see back cover).
(see back cover).
Sears Service
(see back cover).
5. Contact Sears Service (see back cover).
6. Disengage chain brake.
7. Contact Sears Service (see back cover).
5. Contact
Sears Service
(see back cover).
1. See "Fueling Engine" in the Operation
section.
2. Replace with correct plug.
3. Contact Sears Service (see back cover).
4. Contact
Sears Service
5. Clean spark arresting
(see back cover).
screen.
6. Clean starter housing area.
7. Contact Sears Service (see back cover).
1. Fill oil tank.
2. Contact Sears Service
3. Remove
(see back cover).
bar and clean.
1. See "Carburetor Adjustment"
in the
Service and Adjustments
Section.
2. Contact Sears Service (see back cover).
21
TROUBLESHOOTING
TROUBLE
Chain does not
move when engine is accelerated.
Chain clatters
or cuts roughly.
TABLE - Continued
CAUSE
REMEDY
1. Chain tension too
tight.
2. Carburetor requires
adjustment.
3. Guide bar rails
pinched.
4. Clutch slipping.
5. Chain brake engaged.
1. See "Check Chain Tension" in the
Maintenance
Section.
2. Contact Sears Service (see back cover).
1. Chain tension
1. See "Check Chain Tension" in the
Maintenance Section.
2. Contact Sears Service (see back cover).
3. Resharpen or replace chain.
4. See "Chain Sharpening" in the
Service and Adjustments Section.
incorrect.
2. Cutters damaged.
3. Chain worn.
4. Cutters dull, improperly
sharpened, or depth
gauges too high.
5. Sprocket worn.
6. Chain installed
backwards.
Chain stops
within the cut.
1. Chain cutter tops not
filed flat.
2. Guide bar burred or
bent; rails uneven.
3. Clutch slipping.
Chain cuts at
an angle.
1. Cutters damaged on
one side.
2. Chain dull on one side.
3. Guide bar bent or worn.
3. Repair or replace.
4. Contact Sears Service (see back cover).
5. Disengage chain brake.
5. Contact Sears Service (see back cover).
6. Install chain in right direction.
See "Chain Sharpening" in the
Service and Adjustments Section.
2. Repair or replace guide bar.
1.
3. Contact Sears Service (see back cover).
1. See "Chain Sharpening"
in the
Service and Adjustments Section.
2. See "Chain Sharpening" in the
Service and Adjustments Section.
3. Replace guide bar.
If situations occur which are not covered in this manual, use care and good
judgement. If you need assistance, contact Sears Service or the CUSTOMER
ASSISTANCE HELPLINE at 1-800-235-5878.
22
YOUR WARRANTY RIGHTS AND
OBLIGATIONS:
The U.S. Environmental Protection Agency/California
Air Resources Board and Sears, Roebuck and Co., U.S.A., are pleased to
explain the emissions control system
warranty on your year 2007 and later
small off-road engine. In California, all
small off-road engines must be designed, built, and equipped to meet the
State's stringent anti-smog standards.
Sears must warrant the emission control system on your small off-road engine for the periods of time listed below
provided there has been no abuse, neglect, or improper maintenance of your
small off-road engine. Your emission
control system includes parts such as
the carburetor, the ignition system and
the fuel tank (California only). Where a
warrantable condition exists, Sears will
repair your small off-road engine engine
at no cost to you. Expenses covered under warranty include diagnosis, parts
and labor. MANUFACTURER'S
WARRANTY COVERAGE: If any emissions related part on your engine (as
listed under Emissions Control Warranty
Parts List) is defective or a defect in the
materials or workmanship of the engine
causes the failure of such an emission
related part, the part will be repaired or
replaced by Sears. OWNER'S WARRANTY RESPONSIBILITIES:
As the
small off-road engine engine owner, you
are responsible for the performance of
the required maintenance listed in your
operator's manual. Sears recommends
that you retain all receipts covering
maintenance on your small off-road engine, but Sears cannot deny warranty
solely for the lack of receipts or for your
failure to ensure the performance of all
scheduled maintenance. As the small
off-road engine engine owner, you
should be aware that Sears may deny
you warranty coverage if your small offroad engine engine or a part of it has
failed due to abuse, neglect, improper
maintenance, unapproved modifications,
or the use of parts not made or
approved by the original equipment
manufacturer. You are responsible for
presenting your small off-road engine to
a Sears authorized repair center as
soon as a 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 responsibilities, you should contact your nearest
authorized service center or call Sears
at 1-800-469-4663. WARRANTY COMMENCEMENT DATE: The warranty period begins on the date the small offroad engine is purchased. LENGTH OF
COVERAGE: This warranty shall be for
a period of two years from the initial date
of purchase. WHAT IS COVERED: REPAIR OR REPLACEMENT
OF PARTS,
Repair or replacement of any warranted
part will be performed at no charge to
the owner at an approved Sears Service
Center. If you have any questions regarding your warranty rights and responsibilities, you should contact your nearest authorized service center or call
Sears at 1-800-469-4663. WARRANTY
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 scheduled for replacement as required maintenance
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 warranted part is defective if the diagnostic work is performed at an approved Sears Service
Center. CONSEQUENTIAL
DAMAGES: Sears may be liable for damages to other engine components
caused by the failure of a warranted
part still under warranty. WHAT IS
NOT COVERED: All failures caused
by abuse, neglect, or improper maintenance are not covered. ADD-ON OR
MODIFIED PARTS: The use of addon or modified parts can be grounds
for disallowing a warranty claim. Sears
is not liable to cover failures of warranted parts caused by the use of
add-on or modified parts.
23
HOW TO FILE A CLAIM: If you have
any questions regarding your warranty
rights and responsibilities,
you should
contact your nearest authorized service center or call Sears at
1-800-469-4663.
WHERE TO GET
WARRANTY
SERVICE: Warranty services or repairs shall be provided at all
Sears Service Centers. Call
1-800-469-4663.
MAINTENANCE,
REPLACEMENT
AND REPAIR OF
EMISSION RELATED PARTS: Any
Sears approved replacement part
used in the performance of any war-
ranty maintenance or repair on emission related parts will be provided without charge to the owner if the part is
under warranty. EMISSION CONTROL WARRANTY PARTS LIST:
spark plug (covered up to maintenance schedule), ignition module, muffler including catalyst (if equipped), fuel
tank (California only). MAINTENANCE
STATEMENT: The owner is responsible for the performance of all required
maintenance as defined in the operator's manual.
The information on the product label indicates which standard your engine is certified.
Example: (Year) EPA Phase 1 or Phase 2 and/or CALIFORNIA.
41
This engine is certified to be emissions
[]
Moderate
[]
Intermediate
[]
Extended
I
el
compliant
(50 hours)
(125 hours)
(300 hours)
24
I
81
I
for the following
use:
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