Craftsman 358794250 Owner’s Manual

Operator's Manual

25cc/1.5 cu.in. 2-Cycle

17 Inch Cutting Path / 0.080 In. Line

GASOLINE WEEDWACKER ®

Model No.

358.794250

For Occasional Use Only

Read and follow all Safety Rules and Operating

WARNING:

Instructions before first use of this product.

For answers to your questions about this product:

Call 7 am-7 pm, Mon.-Sat., or 10 am-7 pm, Sun.

• 1-800-235-5878 !.ou_ listed are Central'13me)

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

530086204 4/9/01

2 4

5 9

Storage 11

Troubleshooting Chart 12

Emissions Statement 13 Parts List 15

Spanish 18

Parts and Ordering BackCover

Warranty Statement Safety Rules

Assembly Operation

Maintenance Service & Adjustments

FULL ONE YEAB.WARRANTY ON WEEDWACKER _ LINE TRIMMER

For one year from the date of purchase, when this Craftsman Gas Powered Weedwacker Line Trimmer is maintained, lubricated, and tuned up according to the operating and maintenance instructions in the Operator's Manual Sears will

repair, free of charge, any defect in materials or workmanship. This warranty excludes nylon line, spark plug, and air filter, which are expendable

parts and become worn during normal use. If this Weedwacker line trimmer is used for commercial purposes, this warranty ap-

plies for only 90 days from the date of purchase. If this Weedwacker line trimmer is used for rental purposes, this warranty applies for only 30 days from the date of pur-

chase. This warranty applies only while this product is in use inthe United States. WARRANTY SERVICE IS AVAILABLEBY RETURNING THE WEEDWACKER LINE TRIMMER

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., 1:)/817 WA, Hoffman Estates, IL 60179

_kWARNING: When using gar- dening appliances, basic safety pre-

cautions must always be followed to reduce the risk of fire and serious

injury. Read and follow all instructions.

This power unit can be dangerous! Op-

erator is responsible for following

instructions and warnings on unit and in manual. Read entire Operator's Manual

before using unit! Be thoroughly familiar with the controls and the proper use of

the unit. Restrict the use of this unit to persons who have read, understand,

and will follow the instructions and warnings on the unit and in the manual.

Never allow children to operate this unit.

OPERATORS

MANUAL

_k, DANGER: Never use blades or

flailing devices. This unit is designed for line trimmer use only. Use of any

SAFETY INFORMATION

ON THE UNIT

other accessories or attachments will increase the risk of injury.

@@@

_WARNING: Trimmer line throws

objects violently. You and others can be blinded/injured. Wear eye and leg protection. Keep body parts clear of ro-

tating line.

Eye Protection

_ Hazard Zone

Keep children, bystanders, and animals

50 feet (15 meters) away. Stop unit im- mediately if approached.

if situations occur which are not cov-

ered in this manual, use care and good judgment. If you need assis-

tance, contact your Sears Service Center or call 1-800-235-5878.

OPERATOR SAFETY

• Dress properly. Always wear safety glasses or similar eye protection when operating, or performing main-

tenance on your unit (safety glasses are available). Eye protec-

tion should be marked ANSI Z87.

• Always wear face or dust mask ifop-

• eration is dusty. Always wear heavy.,long pants, long

sleeves, boots, and gloves. Wear- _ngsafety leg guards is recom-

mended.

• Always wear foot protection. Do not go barefoot or wear sandals. Stay

clear of spinning line.

• Secure hair above shoulder length. Secure or remove loose clothing or clothing with loosely hanging ties,

straps, tassels, etc. They can be caught in moving pads.

• Being fully covered also helps pro- tect you from debris and pieces of

• toxic plants thrown by spinning line. Stay Alert. Do not operate this unit

when you are tired, ill, upset or un- der the influence of alcohol, drugs, or medication. Watch what you are

doing; use common sense.

• Wear hearing protection.

• Never start or run inside a closed

room or building. Breathing exhaust

fumes can kill.

• Keep handles free of oil and fuel.

UNIT / MAINTENANCE SAFETY

• Disconnect the spark plug before

performing maintenance except car-

buretor adjustments.

• Look for and replace damaged or

loose parts before each use. Look for and repair fuel leaks before use.

Keep in good working condition.

• Replace trimmer head parts that are

chipped, cracked, broken, or dam- aged in any other way before using

the unit.

• Maintain unit according to recom- mended procedures. Keep cutting

line at proper length.

• • Use only 0.080 in.(2 mm) diameter

Craftsman® brand line. Never use wire, rope, string, etc.

• Install required shield properly be- fore using the unit. Use only speci-

fied trimmer head; make sure it is

properly installed and securely fas- tened.

• Make sure unit is assembled cor-

rectly as shown in this manual.

• Make carburetor adjustments with

lower end supported to prevent line

from contacting any object.

• Keep others away when making car- buretor adjustments.

• Use only recommended Craftsman accessories and replacement pads.

• Have all maintenance and service not explained in this manual per-

formed by a Sears Service Center.

FUEL SAFETY

• Mix and pour fuel outdoors.

• Keep away fromsparks or flames.

• Use a container approved for fuel.

• Do notsmoke or allow smokingnear

fuel orthe unit.

• Avoid spilling fuel or oil. Wipe up all fuel splits.

• Move at least 10 feet (3 meters) away from fueling site before start-

mg engine.

• Stop engine and allow to cool before

removing fuel cap.

• Always store gasoline ina container approved for flammable liquids.

CU'R'ING SAFETY

_'WARNING: Inspect the area be- fore each use. Remove objects

(rocks, broken glass, nails, wire, etc.) which can be thrown by or become entangled in line. Hard objects can damage the trimmer head and be thrown causing serious injury.

• Use only for trimming, scalping mow- ng and sweeping. Do not use for edg-

ing, pruning or hedge trimming.

• Keep firm footing and balance. Do

not overreach.

• Keep all parts of your body away from muffler and spinning line. Keep

engine below waist level. A hot muf- fler can cause serious bums.

• Cut from your right to your left. Cut- ting on left side of the shield will throw debris away from the operator.

• Use only in daylight or good artificial light.

• Use only for joos explained in this

manual.

TRANSPORTING AND STORAGE

• Allow engine to cool; secure unit be-

fore storing or transporting in ve-

hicle.

• Empty the fuel tank before storing or

transporting the unit. Use up fuel left in the carburetor by starling, the en-

gine and letting it run until =tstops.

• Store unit and fuel in area where

fuel vapors cannot reach sparks or

open flames from water heaters, electric motors or switches, fur-

naces, etc.

• Store unit so line limiter blade can- not accidentally cause injury. The

unit can be hung by the tube.

• Store unit out of reach of children.

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 ab- normal swellings. Prolonged usa 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 usa of this tool

and seek medical attention. An anti- vibration system does not guarantee - the avoidance of these problems. Us- ers who operate power tools on a con- tinual and regular basis must monitor closely their physical condition and

the condition of this tool.

SPECIAL NOTICE: This unit is equipped with a temperature limiting

muffler and spark arresting screen which meets the requirements of Calf fomia Codes 4442 and 4443. All U.S.

forest land and the states of California,

Idaho, Maine, Minnesota, New Jersey, Oregon, and Washington require by

law that many intemal combustion en-

gines be equipped with a sparkarrest-

g screen. If you operate in a locale

where such regulations exist, you are

legally responsible for maintaining the

operating condition of these parts. *.

Failure to do so is a violation of the law. For normal homeowner use, the muffler and spark arresting screen will

not require any service. After 50 hours of use, we recommend that your muffler be serviced or replaced by

your Sears Service Center.

CARTON CONTENTS Check carton contents against the fol-

lowing list. Model 358.794250

• Trimmer

• Shield

• Wing Nut (screwed onto shield)

Assist Handle (with bolt and knob)

• Container of Oil

• Replacement Spool

Examine parts for damage. Do not use damaged parts. NOTE: If you need assistance or find parts missing or damaged, call

1°800-235-5878. It is normal for the fuel filter to rattle in

the empty fuel tank.

Finding fuel or oil residue on muffler is normal due to carburetor adjustments

and testing done by the manufacturer. ASSEMBLY

,_LWARNING: If received as- sembled, repeat all steps to ensure

your unit is properly assembled and all

fasteners are secure.

Be sure to attach the assist handle to

the unit before you attach the shield.

An'ACHING THE HANDLE (some units are already assembled)

1. Assemble handle to the unit as shown; make sure bottom of handle

is seated in the groove in the tdgger housing.

NOTE: Knob must be assembled on the right hand side of the unit as

shown in the illustration.

2. Make sure the bolt is seated in the

box-shaped hole in the handle.

3. Pivot the handle to a comfortable position.

4. Tighten knob securely.

ATTACHING SHIELD

_ WARNING: The shield must be properly installed. The shield provides

partial protection from the risk of thrown objects to the operator and others and is equipped with a line limiter blade

which cuts excess line to the proper length. The line limiter blade (on under- side of shield) is sharp and can cut you.

For proper orientation of shield, see KNOW YOUR TRIMMER illustration in OP-

ERATION section.

1. Remove wing nut from shield.

2. Insert bracket into slot as shown.

3. Pivot shield until bolt passes through hole in bracket.

4. Securely tighten wing nut onto bolt.

KNOW YOUR TRIMMER

READ THIS OPERATOR'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR

UNIT. Compare the illustrations with your unit to familiarize yourself with the location

of the various controls and adjustments. Save this manual for future reference.

Assist Handle

Shield

line Umiter Blade

Tube

Slot

Bracket

Wing Nut

Muffler

ON/STOP Trigger

Switch \ _ Spark Plug

IB, L.7''=----- Fill Cap

ONISTOP SWITCH The ON/STOP switch is used to stop en-

gine. To stop the engine, push and re- lease the engine ON/STOP switch.

PRIMER BULB The PRIMER BULB removes air from

the carburetor and fuel lines and fills them with fuel. This allows you to start

the engine with fewer pulls on the starter rope. Activate the primer bulb

' by pressing it and allowing it to return

to its original form.

Tdmmer

Head

OhokeLeverSh,

Fuel Mix

CHOKE The CHOKE helps to supply fuel to the

engine to aid in cold starling. Activate the choke by moving the choke lever to

the FULLCHOKE position. After the en- gine attempts to start, move the choke lever to the HALF CHOKE position. Once

engine has started, move the choke le- ver to the OFF CHOKE position.

EDGE GUIDE The EDGE GUIDE protects the unit from contacting the ground during

edging.

Edge

Gutde

Limiter

Blade

BEFORE STARTING ENGINE

WARNING: Be sure to read

the fuel information inthe safety rules before you begin. Ifyou do not

understand the safety rules, do not

attempt to fuel your unit.Call

1°800-235-5878.

FUELING ENGINE _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

engine oil. We recommend Craftsman brand synthebc oil. Mix gasoline and

oil at a ratio of 40:1 (A 40:1 ratio is obtained by mixing 3.2 ounces of oil

with I gallon of unleaded _.asoline). DO NOT USE automotive oil or boat oil.

These oils will cause engine damage. When mixing fuel, follow instructions

printed on container. Once oil is added to gasoline shake

conta ner momentadly 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 alcohol

blended fuels (called gasohol 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, 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.

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.

HOW TO STOP YOUR UNIT

• To stop the engine, push and re-

lease the engine ON/STOP switch. The switch will automatically return to the ON position. Wait 5 seconds

before attempting to restart unit to allow switch to reset.

• If engine does not stop, move choke

to the FULL CHOKE position.

Engine -._ _"_,,,Jl_

HOW TO START YOUR UNIT _' WARNING: The trimmer head

will turn while starting the engine. Avoid any contact with the muffler. A hot muffler can cause serious burns.

Choke Lever

STARTING A COLD ENGINE (or a

warm engine after running out of fuel)

1. Set unit on a flat surface.

2. Slowly press the pdmer bulb 6 times.

3. Move choke lever to FULL CHOKE position.

4. Squeeze the throttle tdgger fully and hold through all remaining

steps.

_j( Choke

Lever

Bulb

5. Pull starter rope handle sharply until engine sounds as it if is trying

to start, but do not pull rope more than 6 times.

6. As soon as engine sounds as if it

is trying to start, move choke lever

to the HALF CHOKE position.

7. Pull starter rope sharply until engine runs, but no more than 6 pulls.

NOTE: If the engine doesn't start after 6 pulls (at the HALF CHOKE

position), move the choke lever to the FULL CHOKE position and press

the primer bulb 6 times. Squeeze and hold the throttle tdg._er and pull

the starter rope 2 more times. Move the choke lever to the HALF CHOKE

position and pull the starter rope un-

til the engine runs, but no more than 6 pulls. If the engine still doesn't

start, it is probably flooded. Proceed to STARTING A FLOODED ENGINE.

8. Once the engine starts, allow it to run 10 seconds, then move the choke lever to the OFF CHOKE

position. Allow the unit to run for 30 more seconds at OFF CHOKE

before releasing the throttle trigger. NOTE: If engine dies with the

choke lever in the OFF CHOKE position, move the choke lever to

the HALF CHOKE position and pull the rope until engine runs, but no

more than 6 pulls.

STARTING A WARM ENGINE

1. Move the choke lever to the HALF CHOKEposition.

2. Squeeze and hold the throttle trig- ger. Keep throttle trigger fully

squeezed untilthe engine runs smoothly.

3. Pull starter rope sharply untilengine runs,but nomore than5 pulls.

4. Allow engine to run 15 seconds, then move the choke lever to the

OFF CHOKE position.

NOTE: If engine has not staded, pull starter rope 5 more pulls. If engine still

does not run, it is probably flooded. STARTING A FLOODED ENGINE

Flooded engines can be started by placing the choke lever in the OFF

CHOKE position; then, pull the rope to clear the engine of excess fuel. This

could require pulling the starter handle

many times depending on how badly

the unit is flooded.

If the unit still doesn't start, refer to

TROUBLESHOOTING TABLE or call

1-800-235-5878•

OPERATING INSTRUCTIONS It is recommended that the engine not be operated for longer than 1

minute at full throttle. OPERATING POSITION

ALWAYS WEAR:

EyeProtection

Long Pants

Heavy Shoes

Cut from your right to your left.

Tostop engine:

• Release the throttletrigger.

• Push and releasethe engineON/

STOPswitch.

TWIST AND EDGE The Twist and Edge feature allows for

easy edging of sidewalks, patios, driveways, etc.

1. Pull the tab toward the engine.

2. Twist the tube to the edging posi- tion; release tab.

TRIMMER LINE ADVANCE The trimmer linewilladvance approxi-

r_ataly 2 in. (5 cm) each time the bot- tom of the trimmer head istapped on

the ground with the engine running at full throttle.The mostefficient line

length is the maximum length allowed by the line limiter.

Always keep the shield inplace when

the tool isbeing operated. To advance line:

• Operate the engineat fullthrottle.

• Holdthe trimmerhead parallelto and

above the grassyarea.

• Tapthe bottom ofthe trimmerhead

lightlyon the groundone time. Ap- proximately2 in. (5 cm) of line willbe advancedwith eachtap.

Toadvanceline,tap bottomoftrimmer headon groundone time.

Line limiter cuts properlength.

'AWARNING: Always wear eye protection. Never lean over the trim-

mer head. Rocks or debris can rico-

chet or be thrown into eyes and face

and cause blindness or other serious injury.

Do not run the engine at a higher

speed than necessary. The cutting

line will cut efficiently when the engine is run at less than full throttle• At lower

speeds, there is less engine noise and vibration. The cutting line will last

longer and will be less likely to "weld" onto the spool.

Always release the throttle trigger and allow the engine to return to idle

speed when not cutting.

Always tap the trimmer head on a grassy area. Tappingon surfaces such as concrete or asphalt can cause ex-

cessive wear to the trimmer head.

If the line is worn down to 2 in. (5 crn) or less, more than one tap will be required

to obtain the most efficient line length. _kWARNING: Use only 0.080"

(2 ram) diameter line. Other sizes of line will not advance properly and can

cause serious injury. Do not use other materials such as wire, string, rope,

etc. Wire can break off during cutting and become a dangerous missile that

can cause serious injury.

CU'I-rlNG METHODS Use minimum speed and do not

crowd the line when cutting around hard objects (rock, gravel, fence posts, etc.), which can damage the

trimmer head, become entangled in the line, or be thrown causing a sed- ous hazard.

SCALPING - The scalpingtechnique

removes unwanted vegetation down

to the ground. Holdthe bottomof the trimmer head about 3 ,n. (8 cm) above

the ground and at an angle. Allow the tip ol the line to strike the ground

around trees, posts, monuments, etc.

This technique increases line wear.

• The tip of the linedoesthe cutting.

You willach=evethe best performance

Scalpl_o "_ .....

and minimumline wear by notcrowd- ingthe line into the cuttingarea. The

rightand wrong ways are shownbe- low.

Tip ofthe Line Line Crowded Into

MOWING - Your trimmer is ideal for mowing in places conventional lawn

DoesThe Cutting WorkArea mowers cannot reach. In the mowing

ground. Avoid pressingthe head into the ground as this can scalp the ground and damage the tool.

_l _g_ position, keep the line parallel to the

"_'_ Mowing Ii

W , =lN

• The line will easilyremove grassand __'

weeds from aroundwalls, fences, trees and flower beds,but it also can ,.._._._._'_"

cut the tender bark of trees or shrubs and scar fences. To help avoid dam-

age especially to delicate vegetation or trees with tender bark, shorten line

to 4-5 in. (10-13 cm) and use at less than lull throttle.

• For trimming or scalping, use less than full throttle to increase line life

and decrease head wear, especially:

: During light duty cutting.

Near objects around which the line can wrap such as small posts,

trees or fence wire.

• For mowing or sweeping, use full throttle for a good clean job.

TRIMMING - Hold the bottom of the trimmer head about 3 in. (8 cm) above

the ground and at an angle. Allow only the tip of the line to make contact. Do

not force trimmer line into work area.

SWEEPING - The fanning action of the rotating line can be used for a quick and easy clean up. Keep the line parallel to and above the surfaces

being swept and move the tool from side to side.

Sweeping ' " •

EDGING - Adjust trimmer to the edg- ing position (see TWIST AND EDGE

section). Allow only the tip of the line to make contact. Do not force trimmer

line into work area.

Trimming ,,..

MAINTENANCE SCHEDULE

_, WARNING: Disconnect the spark plug before performing maintenance

except for carburetor adjustments,

CARE & MAINTENANCE TASK WHEN TO PERFORM

Check for loose fasteners and parts Check for damaged or worn pads

Inspect and clean unit and labels Clean air filter

Inspect muffler and spark arresting screen Replace spark plug

Before each usa Before each use

After each use Every 5 hours of operation

Every 50 hoursof operation

Yearly

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 ad-

justments will need to be made peri-

odically to properly maintain your unit. CHECK FOR LOOSE

FASTENERS AND PARTS

• Spark Plug Boot

• Air Filter

• Housing Screws

Assist Handle Screws

• Debris Shield CHECK FOR DAMAGED OR

WORN PARTS Contact Sears Service Center for re- placement of damaged or wom pads.

• ON/STOP Switch - Ensure OWSTOP switch functions properly by pushing

and releasing the switch. Make sure engine stops. Wait 5 seconds before

attempting to restart unit to allow switch to reset. Restart engine and

continue.

• Fuel Tank - Discontinue use of unit if fuel tank shows signs of damage or

leaks.

• Debris Shield - Discontinue use of unit if debris shield is damaged.

INSPECT AND CLEAN UNff AND LABELS

• Aftereach use, inspectcompleteunit for looseor damagedpads. Clean the unit and labels usinga dampcloth

with a milddetergent.

• Wipe offunitwith a clean drycloth.

CLEAN AIR FILTER

A dirty air filter decreases engine per- formance and increases fuel consump-

tion and harmful emissions. Always clean after every 5 hours of operation.

1. Clean the cover and the area

around it to keep dirt from falling

into the carburetor chamber when the cover is removed.

2. Remove parts as illustrated. NOTE: To avoid creating a fire hazard

or producing harmful evaporative emissions, do not clean filter in gaso-

line or other flammable solvent.

3. Wash the filter in soap and water.

4. Allow filter to dry.

5. Add a few drops of oil to the filter; squeeze the filter to distribute oil.

6. Replace pads.

_S Filter

crews

Cover

INSPECT MUFFLER AND SPARK

ARRESTING SCREEN _ WARNING: The muffler on this

product contains chemicals known to

the State of California to cause cancer. As your unit is used, carbon deposits

build up on the muffler and spark ar- restin_l screen and must be removed

to avoid creating a fire hazard or af-

fecting engine performance.

For normal homeowner use, the muf- fler and spark arresting screen will not

require any service. After 50 hours of use, we recommend that your muffler be serviced or replaced by your Sears

Service Center.

REPLACE SPARK PLUG

Replace the spark plug each year to ensure the engine starts easier and

runs better. Set spark plug gap at

0.025 in. Ignition timing is fixed and

nonadjustable.

1. Twist, then pull off spark plug boot.

2. Remove spark plug from cylinder

and discard.

3. Replace with Champion RCJ-7Y

spark plugand tighten with a 3/4 in. socket wrench (10-12 ft.-Ibs).

4. Reinstall the spark plug boot.

REPLACING THE LINE

1. Remove spool by firmly pulling on tap button.

2. Clean entire surface of hub and

spool.

3. Replace with pre-wound spool, or cut a length of 20 feet of 0.080' (2

ram) diameter Craftsman® brand line. Never use wire, rope, string,

etc., which can break off and be- come a dangerous missile.

4. Insert one end of line about 1/2

inch (1 cm) into the small hole on the inside of the spool.

5. Wind line evenly and tightly onto

spool. Wind in the direction of the arrow on the s_ool.

Small .,_

_ Spool

Line in Notch

Hub

Une exit hole

6. Push the line into the notch, leav-

ing 3 to 5 inches ( 7 - 12 cm) un-

wound.

7. Insert the line into the exit hole in the hub as shown in the illustration.

8. Align the notch with the line exit hole.

9. Push spool into hub until it snaps into place.

10. Pull the line extending outside of the hub to release it from the notch.

CARBURETOR ADJUSTMENT

_WARNING: Thetrimmer head

will be spinning during most of this

procedure, Wear your protective equipment and observe all safety pre-

cautions. After making mixture adjust-

ments, recheck idle speed.

Carburetor adjustment iscritical and if done improperly can permanently

damage the engine as well as the car- buretor. If you require further assis- tance or are unsure about performing this procedure, call our customer as- sistance help line at 1-800-235-5878.

Old fuel, a dirty air filter, a dirty fuel fil- ter, orflooding may give the impres- sion of an improperly adjusted carbu-

retor. Check these conditions before adjusting the carburetor.

The carburetor has been carefully set

at the factory. Adjustments may be necessary if you notice any of the fol-

lowing conditions:

• Engine will not idle. See IDLESPEED under adjusting procedure.

• Engine dies or hesitatesinstead of accelerating. See ACCELERATION

CHECKunder adjustingprocedure.

• Loss of cuttingpower.See MIXTURE

ADJUSTMENT(L or H) under adjusting

procedure.

There are three adjustment screws on the carburetor. The low speed adjust-

ment screw is marked with the letter L,

and the high speed adjustment screw is marked with the letter H. The third

screw is the idle adjustment screw.

Adjustment (_ojustment (L)

Idle Screw Adjustment

ADJUSTING PROCEDURE CAUTION: Do not force plastic limiter

caps on screws beyond the built-in stops or damage will occur. Be sure

trimmer line is extended to the maxi- mum length allowed by the line limiter

blade. Initial Settings:

1. Turn both mixture screws (L and H) counterclockwise until they

stop.

2. Turn the idle speed screw clock- wise until it stops. Now turn coun-

terclockwise 4 1/2 turns.

3. Startengine,cutgrassfor 3 min-

utes, then proceed to adjust screws according to the instruc- tions below. If engine perfor- mance at initial settings is accept- able, no further adjustments are

necessary. If engine does not start, refer to TROUBLESHOOTING

TABLE. If still unable to remedy sit- uation, call 1-800-235-5878.

Idle Speed

Allow engine to idle. Adjust speed until

engine runs without stalling.

Turn idle speed screw clockwiseto increase engine speed if engine

stalls ordies.

• Turn idle speed screw counterclock- wise to decrease engine speed.

No further adjustments are necessary ifperformance is satisfactory.

Low Speed Mixture Adjustment - L

1. Allow the engine to idle.

2. Turn low speed mixture screw (L) slowly clockwise until the speed begins to drop.

3. Turn the low speed mixture screw (L) counterctockwise until the

speed increases and then starts to drop again.

4. Set the low speed mixture screw

(L) at the midpoint between the two positions.

Readjust the idle speed (See IDLE SPEED).

High Speed Mixture Adjustment - H

CAUTION: Do not operate engine at

full throttle for prolonged pedods while

making adjustments as damage to the engine can occur. Adjustthe mixture

screw 1/16 of a turn at a time. A 1/16

turn is about the width of the slot in the top of the screw.

1. Allowthe engine to idle.

2. Squeeze the throttle trigger fully. Turn the high speed mixture screw (H) counterclockwise until it stops.

3. Turnthe highspeed mixture screw (H) 1/16 of a turn clockwiseat a time untilthe engine runssmoothly.

After completing adjustments, check for acceleration. Reset if necessary.

Acceleration Check

If engine dies or hesitates instead of

accelerating, turn the low speed mix- ture screw (L) counterclockwise until

you have smooth acceleration.

WARNING: Perform the follow-

ing steps after each use:

• Allow engine to cool, and secure the unitbefore storing or transporting.

• Store unitand fuel ina well ventilated area where fuel vapors cannot reach

sparks or open flames from water heaters, electric motors or switches,

furnaces, etc.

• Store unitwith all guards in place.

Positionunit so that any sharp object cannot accidentally cause injury.

• Store unitand fuel well out of the reach of children.

SEASONAL STORAGE

Prepare unit for storage at end ofsea-

son or if it will not be used for 30 days

OF more.

ifyour unit is to be stored for a period of time:

• Clean the entire unitbefore lengthy

storage.

• Store ina clean dry area. Lightlyoilextemal metal surfaces.

FUEL SYSTEM Under FUELING ENGINE in the OPERA-

TION section of this manual, see mes- sage labeled IMPORTANT regarding

the use of gasohol in your engine.

Fuel stabilizer is an acceptable alter- native 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

container. Run engine at least 5 min- utes after adding stabilizer.

Craftsman 40:1, 2-cycle engine oil (air cooled) is already blended with fuel

stabilizer. If you do not use this Sears oil, you can add a fuel stabilizer to your fuel tank.

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