Craftsman 536773400 Owner’s Manual
4 Horsepower
HIGHWHEEL WEEDTRIMMER
MODEL NO.
536.773400
Caution:
Read and follow all Safety Rules
and Operating Instructions before
first use of this product.
SEARS, ROEBUCK AND CO., Hoffman Estates,
F-000208M 11/03/99
IL 60179 U.S.A !
TABLE OF CONTENTS
WARRANTY STATEMENT ...... 2
SAFETY RULES ............... 3
INTERNATIONAL SYMBOLS .... 5
ASSEMBLY ................... 6
OPERATION ................... 8
MAINTENANCE ................ 12
SERVICE ANDADJUSTMENT... 15
TROUBLE SHOOTING CHART., 19
SLOPE GUIDE ................. 21
REPAIR PARTS ................ 22
ENGINE REPAIR PARTS ........ 28
SPANISH (ESPAI_IOL) .......... 34
PARTS ORDERING/SERVICE ..
BACK COVER
WARRANTY STATEMENT
LIMITED TWO-YEAR WARRANTY ON CRAFTSMAN WEEDTRIMMER
Fortwoyearsfromthedateof purchase,whenthis CraftsmanWeadtdmmerismaintained,
lubdcated,and tunedupaccordingtothe operatingandmaintenanceinstructionsin the
owner'smanual,Craftsmanwillrepair,free of charge,anydefectin matedalorworkman-
ship.
IfthisCraftsmanWeedtdmmeris usedforcommercialorrental purpo6es,this warrantyap-
pliesforonly90days fromthe date ofpumhase.
Thiswarrantydoesnotcoverthe following:
• Expendable items which become worn during normal use, such as spark plugs, etc.
• Repair nesesse_y because ofoperator abuse or negligence, including bent crankshafts
and the failure to maintain the equipment according tothe instructions contained in the
owners manuaJ.
WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN WEED-
TRIMMER TO THE NEAREST CRAFTSMAN SERVICE CENTER/DEPARTMENT IN THE
UNITED STATES. THIS WARRANTY APPLIES ONLY WHILE THIS PRODUCT IS IN USE
IN THE UNITED STATES,
This watr_ty givns you spedfic tegai dghts, and you may aiso ha.ve other dghte which may
vary from state to state.
Sears, Roebuck and Co., D817WA, Hoffrean Estates. IL 60179
IMPORTANT: This unit Is equipped with an Internal combustion engine end must not be
used on or near any unimproved forest-covered, brush-covered or grass-covered land
unteea the engine's exhaust system is equipped wllh a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it must be maintained in
effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California
Public Resources Code). Other states may have simller laws. Federal laws apply on fed-
erai lands. Sea an Authorized Service Center for a spark arrester for the muffler.
F-000208M 2
SAFETY RULES
Safe Operation Practices for Trimmer.
A
WARNING: Look for this symbol to point out important safety precautions.
It means: "Attention! Become Alertl Your Safety Is Involved."
I. General Operation
1. Read, understand, and follow all instruc-
tions on the machine and in the manual(s).
Be thoroughly familiar with the controls and
the proper use of the trimmer before start-
ing.
2, Familiarize yourself with all of the safety
and operating decals on this equipment
and on any of its attachments or access(>
des.
3, Do not put handsor feet nest or under rotat-
ing pads,
4. Only allow responsible individuals, who are
familiar with the instructions, to operate the
tdmmer.
5. Inspect the area where the trimmer is to be
used. Your equipment can propel small ob-
jects at high speed causing personal injury
or property damage. Stay away from
breakable objects, such as house win-
dows, auto glass, greenhouses, etc.
6. Keep the area of operation clear of all per-
sons, particulady small children, and pets.
7, Wear appropriate clothing such as a long-
sleeved shirtor jeckeL Also wear longtrou-
sers or slacks. Do not wear shorts.
8, Do not wear loose clothing which could get
caught In this equipment.
9. Always wear safety goggles or safety
glasses with side shields when operaUng
trimmer to protect your eyes from foreign
objects which can be thrown from the unit,
10. Always wear work gloves and sturdy foot-
wear. Leather work shoes or short boots
work well for most people. These will pro-
tect the operator's ankles and shins from
small sticks, splinters, and other debris,
and improve traction.
11. It is advisable to wear protective headgear
to prevent the possibilityof being struck by
small flyingparticles, or being struck by low
hanging branches, twigs, or other objects
which may be unnoticed by the operator.
12. Do not operate the tdmmer without proper
guards or other safety protective devices
in place,
13, Use this equipment for its intended pur-
pose only.
14. See manufacturer's instructions for proper
operation and installation of accessories,
F-000208M
Only use accessories approved by the
manufacture[
15. Operate only in daylight or good artificial
light,
16. Do not operate the trimmer while under the
influence of alcohol, drugs or other medica-
tion which can cause drowsiness or affect
your ability to operate this machine safely.
17. Never operate trimmer in wet grass. Al-
ways be sure of your footing; keep a firm
ho_don the handle and walk; never run.
18. Before each use, Inspect the throttle con-
trol lever and cable. Make sure that the
cable is free and that the lever is not dam-
aged. Also check the cable linkage running
to the carburetor for kinks, louse fittings,
and obstructions, Verity that the control
bail is working properly,
19. Stop the rotating 1drainer head when cross-
ing gravel drives, walks, or roads, Walt for
the cutting lines to stop rotating.
20. Watch for traffic when operating near, or
when crossing roads.
21. Stop the engine (motor) whenever you
leave the equipment, before cleaning re-
pairing or inspecting the unit, be sure the
trimmer head and all moving pads have
stopped. Let the engine cool, disconnect
the spark plug wire and move it away from
the spark plug.
22. If the equipment should start to vibrate ab-
normally, stop the engine (motor), dis(on-
nect the spark plug wire and prevent itfTOm
touching the spark plug. Check immediate.
ly for the cause. Vibration is generally a
warning of trouble.
23. After stdklng a foreign object, stop the en-
gine (motor). Remove the wire from the
spark plug. Inspect the trimmer for dam-
age. If damaged, repair before starting and
operating the trimmer.
24. Never leave the tdmroer unattended when
the engine is running. Remove the wire
from the spark plug.
25. Reguiariyinspectthe tdmmer. Make sure
parts are not bent, damaged or loose.
II. Slope Operation
Slopesare a majorfactorrelatedto slipandfall
accidentswhichcanresultin severeinjury,All
3
SAFETY RULES
stopesrequireextracau_on,tl youfeeluneasy
onaslope,donottrimit.
Dotrimacrossthe faceofslopes;neverupand
down. Do not trim excessivelysteep slopes
(maximum 15 degrees) or areas where the
groundis very rough. See the =Guide" in the
backofthismanualto checka slope.Exercise
extreme caution when changingdirectionon
slopes.
Do remove objectssuch as recks,treelimbs,
etc.
Do watchfor holes,ruts.orbumps.Tallgrass
canhldoobstacles.
DOnottdmnear drop-offs,ditches,or embank-
ments.The operatorcouldlosefootingor bal-
ance.
Do notthm excessivelysteepslopes.
Do not trim on wet grass. Reduced footing
couldcauseslipping.
III. Children
Tragicaccidentscanoccurif _e operatorisnot
alertto the presenceofchildren.Childrenare
oftenattractedtothetrimmerandthetdmming
activity.Neverassumethatchildrenwillremain
whereyoulastsawthem.
1. Ksep dKlldranoutofthetrlmrningareaand
underthe watchfulcare of a responsible
adult.
2. Be alert andturn_mmer offifchildranan-
tar the area.
3. Beforeandwhile movingbackwards,look
behindand downforsmallchildren.
4, Never allow ch'lldrento oberate the tfin'_
mer.
5. Use extra care when approachingblind
comers,shrubs,trees,orotherobjectsthat
may obscurevision.
Iv. Service
1. Use extra care in handlinggasolineand
other fuels. They are flammable and va-
porsare explosive.
e. Useonty an approvedcontainer.
b. Neverrernovegsscap oradd fuaiwith
the engine running.Allowengine to
cootbeforerefueling.Do notsmoke.
c. Never refuel the machine indoors.
d. Neverstorethe machineor fuel con-
tainerinsidewhere there is an open
flame,suchas a waterheater.
2. Never run an engine indoorsor insidea
closedarea.
3. Never make adiustments or repairs with
theengine(motor)running.Disconnectthe
spark plugwire, and keep the wire away
fromthe plugtopreventaccidentalstarting
(removethe ignlitonkeyif equippedwithan
electdcstart).Alwayswear eyeprotection
whenyoumake adjustmentsorrepairs.
4. Check the tdmmer head and engine
mountingbolts at frequent intervalsfor
propertightness.
5. Keep at/ nuts and boltstight and keep
equipment _ good condition. Check
mountinghardwareon tdmmerheadevery
timeyouchangetdmmerline and pdorto
eachuse.
6. Never tamperwith safetydevices.Check
their properoperationregularly.
7. Whenservicingorrspeidngthe trimmer,do
nottip the machine overor up unless spe-
citicallyInstructedtodo sointhis Manual.
Serviceandrepairprocedurescan bedone
with the tdmmer in an updght position.
Someprocedureswillbeeasierifthe ma-
chineisliftedon a raisedplatformorwork-
ingsurface,
8. Toreducefire hazard,keep trimmerfreeof
grass, leaves, or other debds build_Jp.
Cleanup oilorfuel spiffage.Allowtdmmer
tocoolbeforestodng.
9. Stop and inspect the equipment if you
stdke an object. Repair,if necessary,be-
fore restarting.
10, Alwaysdisconnectsparkplugwirebefore
cleaning,rapaidng,or adjusitng.
11, Do not changethe enginegovernorsetting
orover-speedtheengine.
12. Clean and replace safety and instru_un
decalsas necessary.
13. To guard againstengineover-heating,al-
ways have engine debdsfilter mounted
andclean.
14. Inspecttdmmerbeforestorage.
15. Use onlyodginalequipmentorauthodzed
replacemontparts.
F-O00_08M 4
SAFETY RULES
INTERNATIONAL SYMBOLS
IMPORTANT: Many of the following symbols are located on your unit or on literature sup-
plied with the product. Before you operate the unit, learn and understand the purpose for
each symbol.
ControlAndOperatingSymbols
Slow Fist Fuel Oil
Safety Warning Symbols
WARNING
Thrown Objects.
Keep Bystanders Away.
IMPORTANT
Read Owner's Manual
Before Operating
This Machine,
Rotating parts. Stop Engine.
Disconnect Spark Wire Before
WARNING
MakingAdjustments.
WARNING STOP
Wear Eye Protection
@
WARNING
Never Operate Up Or
DownSlopes. Operate
Across Slopes.
F-O00210M 5
WARNING
ASSEMBLY
CONTENTS OF PARTS BAG
1 - Owner'sManual
1 - PartsBag
1 - FuelStabilizer
Not shown actual size)
ASSEMBLY
1- Safety Glasses
A WARNING: Always wear safety
TOOLS REQUIRED
1- Knifeto cutcadon,
Figure1 shows the tdmmer completelyas-
sembledandpositionedinthecartonfor ship-
ment.
Referencestothe dghtor lefthandsideofthe
tdmmerare from the viewpointof the opera-
tor'spositionbehindthe unit.
glasses or eye shields while sa-
sembitngthe trimmer.
1 - 20 oz. BottleOil
2 Sets -Trimmer Lines
(0.130Inchdlsmetel
TO REMOVE THE
TRIMMER FROM CARTON
1, Remove the bottle of oiland parts bag
fromcarton.
2. Removethe packingmetedal pos_oned
aroundthe unit,
3. CutdowneJlfourcomersofthecationand
laythesidepanelsfiat,
4. PUUthe trimmerout ofthe cartonand off
the base pad,
5. Removepackingmaterialfrom aroundthe
trimmerhead.
6. Remove protec_voplastk:from front of
frame.
F-000208M 6
Figure 1
ASSEMBLY
HOW TO RAISE THE HANDLE
1. Hold the handle with one hand and loosen both handle adjustment knobs until the ratchet
teeth are disengaged. Do not remove the handle adjustment Imob_. See Figure 2.
2. Raise the handle to the
operating poslUon.
3. S_and _nthe operator's
position behind the trim-
mer. Put the handle in a
comfortable position.
Make sure both aides of
the handle are level.
NOTE= Make sure the
cables ere not caught
between the upper end
lower handle.
4. "lighten the handle acl-
justment knobs. Make
sure the handle pivots
are looked in place.
NOTE: The handle
height Is adjustable.
See "How To Adjust
The Height Of The Han-
dle" In the Adjustment
section.
5. TOattach the recoil start handle to the rope guide, twist the rope through
the rope guide mounted on the right side of the handle.
ENGINE PREPARATION
Fill Crankcase With Oil
The trimmer was shipped with a container of
SAE30 motor oil.This oil must be added to the
engine before operating.
1. Remove the oil fill calddips_ck shown in
Figure 3. Fill the crankcase to the FULL
line on oil fillcap/dipstick. DO NOT OVER-
RLL
2. Install the oil fill cap/dipstick and tighten
securely.
Fill Fuel Tank With Gasoline
For the correct procedure and grade of
_" CHECKLIST
For the best performance and satisfaction
from this quality product, please review the fol-
towing checklist before you operate the trim-
mar:
_" All assembly instructions have been
completed.
Check carton. Make sure no loose parts
remain in the carton.
F-000210M
gasoline,see "How To FillWithGasoline"in
the Operationsection.
Oil Fill Cap/
Dipstick
Figure 3
As you Isem how to use the tdmmer, pay astre
attention to the following important items:
_'_' Engine oil is at correct level.
t-"_" Fuel tank is filled with fresh, clean, reg-
ular unleaded gasoline.
P"P" Become familiar and understand the
function of all controls. Before your start
the engine, operate all controls.
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