IMPORTANT MANUAL Do Not Throw Away
Operator,s
Manual
Model No,
358.799250
ASSISTANCE
WARNING:
Read the Operator' s Manual and
Follow All Warnings and Safety
Instructions. Failure To Do So
Can Result in Serious Injury.
Always Wear Eye Protection
®
CRRFTSMRN
32cc
2 CYCLE ENGINE
WEEDWAC ER
• Assembly
• Operation
• Maintenance
• Repair Parts
530-082425" 1- 04/12/94
Sears, Roebuck and Co., Hoffman Estates_ IL 60179 U.S.A.
1994, Sears, Roebuck and Co.
ONEYEARLIMITED WARRANTY ON CRAFTSMAN GAS-POWERED WEEDWACKER®
When this Cr.aftsman Gas.-Powered Weedwacker is maintained, lubricated, and tuned up according to the operating and
mmntenance instructions m the operator's manual, Sears will repair, free of charge, any defect in materials orworkmanship
as IOltOWS:
1 YEAR - Parts and Labor, when used for household purposes.
90 DAYS - Parts and Labor, if used for commercial, institutional, or professional purposes.
30 DAYS - Parts and Labor, if used for rental purposes.
This warranty excludes nylon line, spark plug, and air filter, which are, expendable parts and become worn during normal use.
This warranty applies only while this product is in use in the United States. WARRANTY SERVICE IS AVAILABLE BY RETURNING THE
WEEDWACKER TO THE NEAREST SEARS SERVICE CENTER/DEPARTMENT 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. DEPT. 817WA HOFFMA1N ESTATES, EL 60179
TABLE OFCONTENTS
WARNINGS AND SAFETY INSTRUCTIONS ... 3
KNOW YOUR UNIT ........................... 5
ASSEMBLY .................................. 6
ACCESSORIES .............................. 8
/ FUELING YOUR ENGINE ...................... 9
SPEC_ICATIONS
: ENGINE TYPE:
"DISPLACEMENTi _
: 11 ,
ENGINE RPM:
IGNITION: "
IGNITION TIMING:
CARBURETOR:
=,Lilt ,
ENGINE "OFF":
STARTER:
MUFFLER:
CUTTING PATH:
FUEL TANK:
SPARK PLUG:
SPARK PLUG GAP:
MODULE AIR GAP:
LUBRICATION:
CUTTING LINE:
MANUPACTURED UNDER ONE OR MORE OF THE FOLLOWING U.S. PATENTS:
4,035,912; 4,052,789; 4.236,312; 4_86,675; 4,290,200; 4,352,243; 4,366,621; 4,366,622;
4,4_;1,983; 4,798,185; 4,819,742; 4,823,465; 4,825,548; 4,835,867; 4,841,929; 4,852,258;
4,89%923; 4,940,028; 5,020,223; & D304,196. OTHER U.S. AND FOREIGN PATENTS,
PENDING.
2-Cycle, Air Cooled
32cc
Operating- -7500
Idle--2800 - 3200
, ,
Solid State
Spark Advance -
Non-adjustable
" ,r, r,
Diaphragm All Position :With
Adjustable Fuel Mixture Jet
....pos!tive Switch •
Auto Rewind - :::: :i.?i
Temperature Limiting
(not spark arresting)
17"
4oocc ' ' '.... '.....
.025"
.010" to .014"
..,.Hi, .., ,
Gasoline/Oil Mixture - 40:i
(see.',iFueling Your Engine")
.080" Diameter Sears ....
Laser Line ®
STARTING YOUR ENGINE .................. 10
USING YOUR TRIMMER .................... 11
CUSTOMER RESPONSIBILITY--
GENERAL MAINTENANCE ............. 15
INDEX ..................................... 21
REPAIRPARTS LIST. ........... ........... :. 22
SWITCH
ASSIST
SAFETY LABEL
SERIAL NUMBER
AND STARTING
INSTRUCTIONS
THROTTLE
TRIGGER
DRIVE SHAFT
HOUSING
FUEL CAP
SHIELD
\
AIR
FILTER
MUFFLER
GUARD
LINE
PLUG LIMITER
• TRIMMERHEAD
®
LaserLine istrademarkofWCI OutdoorProdUcts,Inc. / :_'
NOTE.. lllustrationemay differfrom aotualpro't8duo to designehangesr
i-
SPECIAL NOTICE ............
For users on U.S. Forest Land in the states of California, Maine, Oregon, and Washington. All U.S. Forest Land and the _]
states of California (Public Resources Codes 4442 and 4443),Oregon, and Washington require,bylaw,that certain internal combustion N
engines operated on forest, brush, and/or grass-covered areas beequipped with a sparkarrestor, maintained ineffectiveworking order,_]
orthe engine be constructed, equipped,and maintained for the prevention offire Checkwithyour state orlocal authorities forre la-
i ...... " ..... gu
tons pertaining to these reqmrements. Failure to follow these r_eqmrementsm awolatmn ofthe law. This unit ISnot factory- I_
equipped with a spark arrestor; however, a spark arrestor is available as an optional part. Ifthisitem is required in your area, I_
v _1_, nearest Sears Service Center!Department for the correct kit. [!_]
_2--
A WARNINGS AND SAFE INSTRUCTIONS
(See Additional Safety Instructions throughout this Manual)
A WARNING - THIS POWER TOOL CAN BE DANGEROUS! This unit can cause serious
injury or blindness to the operator and others. The warnings and safety instructions in this manual must be fol-
lowed to provide reasonable safety and efficiency in using this unit. The operator is responsible for following the
warnings and instructions in this manual and on the unit. Read the: entire Operator's Manual before assem-
bling and using thisunit! Restrict the use of this power tool to persons who read, understand and
follow the warnings and instructions in this manual and on the unit.
A
DANGER
BLADES OR SLINGING HEADS
CAN COME OFFAND CAUSE
SERIOUS INJURY.
- THIS UNIT IS DESIGNED FOR
LINE TRIMMER USE ONLY
- NEVER USE ANY OTHER CUTTING
ATTACHMENT WITH THIS UNIT.
_k WARNING
Leg Guards Thrown
.WW
_Fa:c '_f O_bjects
e Boots
Shield
TRIMMER LINE CAN THROW
OBJECTS VIOLENTLY.
- YOU CAN BE BLINDED OR
INJURED.
- WEAR EYE AND LEG PRO_CTION.
Operator's
Manual
60 Foot
(20 meters)
f Hazard Zone
Safety
Labels
AkWARNING
HAZARD ZONE FOR THROWN
OBJECTS
- TRIMMER LINE CAN THROW
OBJECTS _OLENTLY.
- OTHERS CAN BE BLINDED
OR INJURED.
- KEEP PEOPLE AND ANIMALS
30 FEET (10 METERS) AWAY.
A WARNING
READ OPERATOR'S MANUAL.
- FOLLOW ALL WARNINGS AND
INSTRUCTIONS.
- FAILURE TO DO SO CAN RESULT
IN SERIOUS INJURY.
WARNINGS AND SAFETY INSTRUCTIONS..,.(Continued)
Ak OPERATOR SAFETY
o
Always wear safety eye protection.
o
Always wear long pants, long sleeves, boots and
gloves: Wearing safety leg guards is recom-
mended. Do not go barefoot or wear sandals, jew-
elry, short pants, short sleeves, loose clothing, or
clothing with loosely hanging ties, straps, tassels,
etc.; they can be caught in moving parts.
o
Secure hair so it is above shoulder length.
o
Do not operate this unit when you are tired, ill, or
under the influence of alcohol, drugs, or medica-
tion.
o
Wear_hearingprotectionifyou use thisunit for
more than 1-1/2hours per day.
Never startorrun theengineinsideadosed room
orbuilding.Breathingexhaustfumes can kill.
Keep handlesfreeofoiland fuel.
UNIT/MAINTENANCE SAFETY
A
@
Look for and replace damaged or loose parts be-
fore each use. Look for and repair fuel leaks before
use. Keep the unit in good working condition.
Replac e trimmer head parts that are chipped,
cracked, broken, or damage in any other way be-
fore using the unit.
Use only .080" diameter SEARS Laser Line.
Never use wire, rope, string, etc.
Make sure the unit is assembled correctly as listed
in this manual.
Make carburetor adjustments with the lower end
supported to prevent the trimmer line from con-
tacting any object.
Keep others away when making carburetor ad-
justments.
Disconnect the spark plug before performing
maintenance except carburetor adjustments.
Use only genuine SEARS accessories and replace-
ment parts as recommended for this unit.
A FUEL SAFETY
• Mix and pour fuel outdoors.
• Keep away from sparks or flames.
• Use a container approved for fuel.
• Do not smoke or allow smoking near fuel or the
unit or while using the unit.
' Wipe up all fuel spills before starting engine.
• Move at least 10 feet (3 meters) away from fueling
site before starting engine.
• Stop engine and allowthe engine to cool before re-
moving fuelcap.
• Empty thefueltank beforestoringtheunit.Use
up fuelleftinthe carburetorby startingtheen-
gineand lettingtheenginerun untilitstops.
• Storeunitand fuelin an _areawhere fuelvapors
cannotreachsparksor open flamesfrom water
heaters,electricmotorsorswitches,furnaces,etc.
Ak CUTTING SAFETY
• Inspect the area to be cut before each use. Remove
objects (rocks, broken glass, nails, wire, string,
etc.) which can be thrown or become entangled in
the trimmer head. x
• Keep others including children, animals, bystand-
ers and l_elpers outside the 60 foot (20 meter) Haz-
ard Zone. Stop the engine immediately if you are
approached. •....
• Always keeptheengineon theright-handsideOf
yourbody.
- Hold theunitfn_nlywithbothhands.
• iKeep firm footingand balance.Do not over-
ireach.
• _Keep thetrimmer head belowwaistlevel.
•, Do notraisetheengineaboveyourwaist.
•'Keep allpartsofyour body away from trimmer
head and mufflerwhen engineisrunning.
• _Cut fromyour righttoyourleft.
• Use onlyforjobsexplainedinthismanual.
A TRANSPORTING AND STORAGE
• Stop the unit before transporting.
• Keep the muffler away from your body.
• Allow the engine to cool, and secure the unit be-
fore storing or transporting in a vehicle.
• Empty the fuel tank before storing or transport-
ing the unit. Use up fuel left in the carburetor by
starting the engine and letting the engine run un-
til it stops.
• Store unit and fuel in an area where fuel vapors
cannot reach sparks or open flames from water
heaters, electric motors or switches, furnaces, etc.
• Store unit so line limiter cannot accidentally
cause injury. The unit can be hung by the bracket
below the engine or by drive shaft housing.
• Store the unit out of the reach of children.
If situations occur which are not covered in this manual, use care and good judgment.
If you need assistance, contact your SEARS Service Center/Department or the
CUSTOMER ASSISTANCE HOTLINE, 1-800-235-5878.
H Exp_suret_vibrati_nsthr__ghpr___ngeduse_fgas__inep_weredhandt___sc_uldcauseb___dvesse__rnerve H
damage in the f'mgers, hands, and wrists of people prone to circulation disorders or abnormal swellings. Pro-
m longed use in cold weather has been linked to blood vessel d.amage in otherwise healthy people. If symptoms M
occur such as numbness, pain, loss of strength, change in skin color or texture, or loss of feeling in the _gers,
H hands or wrists, discontinue the use of this tool and seek medical attention. An anti-vibration system does not _1
l_] guarantee the avoidance of these problems. Users who operate power tools on a continual and regular basis [_
__r doo_.se...lythe.._..._physiooooooo__.c_co_.diti0_noo_sndthe con&'tion o f_ tool......................................_,_
4
iii I _lJil I i
i /i _lil •
KNOW YOUR UNIT
i J iiiiii l illi i iiii
A. INTRODUCTION C. CARTON CONTENTS
Your Trimmer is a versatile product developed for
large lawns and to make short work of a variety of
lawn care tasks -- trimming, scalping, mowing, KEY NO.
and sweeping. • Engine
Special Features Include:
• Centrifigal Clutch
• All-Position Carbmtor
• Adjustable Anti-Vibe, Assist Handle
• Semi-Automatic Line Feed
• 17" Cutting Path
B. UNPACKING INSTRUCTIONS
1. After removing the contents from the carton,
check parts _nst the Carton Contents list.:
2. Examine the parts for damage . Do not use
damaged parts ....
3. Notify your Sears Service Center/Department
immediately if apart is missing or damaged.
Your unit has been shipped witha plastic
shipping guard over the primer bulb (see
"Specifications" for location). Remove and
discard the plastic shipping guard.
_ It is normal to hear the fuel filter rattle in
anempty fuel tank.
• Drive Shaft Assembly w/Safety Label 1
• Shield ]
• Trimmer Head 1
• Assist Handle 1
• Operator's Manual 1
• Loose Parts Bag 1
LOOSE PARTS BAG CONTENTS:
• Hex Wrench 1
• Engine Oil 1
A. Hex Socket Screw - Front Shroud 2
B. Hex Socket Screw - Throttle Hsg. 1
C. Screw- Shield 2
D. Hex Head Screw - Assist Handle 1
E. Nut - Assist Handle 1
F. Lock Nut 3
G. Bracket- Shield 1
H. Dust Cup - Drive Shaft Housing 1
QTY
1
D. HARDWARE USAGE
. ;
HARDWARE SHOWN ACTUAL SIZE
L . •
: Refer to the Hardware reference letters below during assembly.
This Hardware is packaged in the Plastic Bag.
G.
E_
@
H.
Figure 1
H
ASSEMBLY
(If tool is received assembled, repeat all steps in this section to be sure assembly is correct and is ad _+
justed for the operator.) -
A. PREPARATION
This Operator's Manual is designed to help you as.
semble the tool and to provide its safe operation. It is
-importantthat you read the entire manual to become
familiar with the tool before you begin assembly or
call our CUSTOMER ASSISTANCE HOTLINE at
1"800-235-5878.
iii
B.T_E
• Place the two screws "A." into the holes on the en-
gine asshown in theillustration.
• Positionthelocknuts"E" inthelowerholes.
• Tighten the screws with the hex wrench (pro-
vided)justenough toholdthehardware together
whileholdingthelocknutswithyourotherhand.
• Remove thepackingcoverfromthestraightendof
the shafthousingifsoequipped.Your unit may
not have a packing cover.
Make sure the shaft inside the tube does not
fall out of the tube. Dirt on the shaft will signifi-
cantly reduce the life of the unit. If the drive shaft
falls out of the housing, clean, re-lubricate, and
re-install. See "Drive Shaft Lubrication" in the
Maintenance section.
• Align the bottom groove on the tube with the ridge
on the lower wall of the engine opening.
• Turn the shaft to align the square end of the shaft
with the square hole inside the front opening of
....the engine.
'• Firmlypush thetube intotheengineopeningun-....
tfl the top groove is no longer visible. • •
• Tighten screws "A." alternately with the hex
wrench until secure.
IC. THROTTLE CABLE
__ Do not bend the throttlecable.
• Slidethethrottletriggerhousing from the foam
gripabout1" to 1-1/2". Figure2.
' • Insertthethrottlecablethroughthetunnelinthe
foam gripuntiltheend ofthecableextendsatleast
2 inches beyond the grip. Figure 3,
• Hold the trigger awayfrom thetube and insert the
barrel end of the throttle cable into the round
opening in the trigger as shown in Figure 3.
When inserting the barrel end of the throttle
cable into the roundopening in the trigger, make
sure that the barrel is completely inserted and the
.... throttle cable is located in the split in the arm.
Figure 4.
• Push the cable back into the split in the arm. Fig-
ure 3. Guide the arm into the foam grip tunnel
until the throttle trigger housing is flush against
the grip. Figure 5.
• Squeeze and hold trigger against foam grip. Then
install screw B. and nut E Figure 5.
Do not overtighten screw. .There
must be at least 1/8" free play in the trigger.
Figure 5. Make sure trigger will move freely
so the _er can fully re .turn to idle when
the trigger is released. The trimmer head must
not turn at idle speed to avoid serious i_ury to
the operator and others.
•6
1. Read your Operator's Manual
2. Tools you will need:
- Hex Wrench provided with the tool.
- AdjustableWrench '
- StandardScrewdriver
Remove any packing material
may be on the end of tube
Locknut
I: Close up view
Hole
Top Groove
Ridgeandbotton
groove
Turn the ar.bor shaft to align
the shaftwiththe square hole.
1"toI-]
Throttle
Trigger Housing
Round Hole _
inTrigger i
Figure 2
RIGHT
WRONG
Screw B.
Figure 4
, :
Tube
ArborShaft
B_arrel
End of
Cable
Figure 3
Nut
1/8"
Fig_e 5
t
D.AS SIST HANDLE
ASSIST HANDLE
• Drop threaded end of screw "D.'; through the
opening in the top of the T-handle. Figure 7.
• Pull on the threaded end ofscrew"D." to bring
the square head of the screw past the pin inside
the T-handle. Figure 7.
• Align the assist handle between the safety la-
bel and the end of the :tube, Figure 6. Make
sure hex recession in assist handle is on the left
side of the tube ..........
• Seat nut "E." in thehex,shaped recession on
the back side of the assist handle.
• Insert thethreaded end of the T- handle screw
through the hole in the assist handle and
tighten fn_rdy by hand only.
! !•• -
Figure 6
Befm'e Assembly Top, View , '_emhled
. , L.__.2.t in ,,
Figure 7
illll
E.TRIMMER HEAD __- i_
• Place dust cup "H." over the hex nut on the bot-
....... tom of the tube -see illustration. The hex nut
should fit completely inside dust cup "H.".
•: Hold dust cup "H." with a wrench to keep the ar-
bor shaft from t_arning.
• Thread the trimmer head onto the arbor shaft
=_age_st dust cup "H." and hand tighten fnm_ly.
_: Unless trimmer head is tightened ade-
quately, it can unthread when engine is started or
': ;stopped. If this situation occurs, reinstall the
trimmer head and tighten more securely.
i ill,
E SHIELD ATTACHMENT
A WARNING
The shield must be properly installed. The
shield provides partml protection from the risk
of t]iro_obj_cts to theoperator and:others and
is eqmpped with a line limiter which cuts excess : ....
line to the proper length. : • _ .......
mii imiil I IIHIIIIIIIIIIIII illlliH iil i
A WARNING
F_lure to install shield inthe position shown in
Figure 8can result in semous injury to the op-
erator. The length of the shield must be aligned
with the length of the tube. Direct widest part of
shield toward engine.
the shield) is sh_.and can cut you.
• Match key (raised area) on the shield with the
• Rest bottom of shield ontop of shoulder (not on
NOTE: The bottom of shield must rest on top of
The line limiter (on the underside of
"V" slot on the tube. Figure 8.
the dust cup) of tube. Figure 8.
the shoulder of the tube and not on dust cup.
i,,,, H,,,,,,,, Hi,m ' i i,m
ii , ....
:Direction
toInstall
Arbc
Nut --o i
Hex t_ Laf
i Dust
CupH.
• Install bracket "G. °'and screws "C." as shown
in Figure 8. :, _ :i :
NOTE: Alt,hough a screwdriver slot is provided in
screws "C.,, it is easier to install the screws
with a wrench or socket.
• Tighten the screws evenly and securely.
_: It is possible that a small space will be left
between bracket "G." and the shield when the
screws are fi_y tightened.
Widest Part _ Bracket G.
of Shield Toward
Engine Screws C.
Useawrenchtokeepthe i
spinning the trimmer
head onto the unit.
. !
Figure 8
.._7 m
G. OPERATING POSITION
• Before starting the engine, stand as shown in
Figure 9 and check for the following:
• Left arm fully extended, hand holding assist
handle.
• Right arm slightly bent, hand holding foam
.... pad, fingers on throttle trigger.
° Engine below waist level.
° Weight of tool evenly distributed between
al'Ins.
• Without operator bending over, the trimmer
head is near and para_el to the ground and eas-
fly contacts the material to be _t.
When adjusting the assist handle
for comfort, be sure assmt handle remains
between throttle trigger housing and the
safety label on the tube. 6.
• Adjust the assist handle up or down the drive
shaft housing (but above the safety labels) to a com-
fortable position.
° Rotate assist handle from left to right to tilt the
angle of the trimmer head when cutting a large,
sloped area such as aditch bank.
IIIIIIIII I I
lii l
I IIIIIIIII III II I II
OPERATING
POSITION !
Figure 9
I IIII I I
ACCESSORIES
III IIIII I I IIIIIIII I II II
ITEM STOCK NO.
SAFETY GOGGLES
SEARS 40:1 2-CYCLE ENGINE OIL
......................................... ...... _._. !.... ............... 7i-85707
--3.2 oz ............... i ...... ............................ . ........................... 71-36552
--8 oz .... -. I, ............ ! ................................... ...... • ................... 71-36555
--16 oz .......... ,...... _.... ..... • ......................... • _.......... =................... 71-36553
SEMI-AUTOMATIC TRIMMER HEAD .................. _... _.... ................... ..... 71,85802
SPOOL W/LINE ... .... . ..... . .............................. :._... .................... .... 71-85789
NYLON CUTTING LINE
80 Ft. (.080 Dia.) Cutting Line ........................................................... 71-85773
200 Ft. (.080 Dia.) Cutting Line ....................................... _.................. 71,85608
400 Ft. (.080 Dia.) Cutting Line .. ! ........................... ............... i........ ... 71-85778
SPARK PLUG..... ........... ...+ ......................................... _.. .......... 71-85854
FLEXSHAFT LUBE ......... !... ....... • ......................... .... .......... +............ . 952-030139
III1[1111111111IIIII I I IIIIIIIII IIlll II II
....... : . NOTES
8