what causes a craftsman high wheeled trimmer to hard start
User Manual: Craftsman 917773422 917773422 CRAFTSMAN Loftier WHEEL WEED TRIMMER - Manuals and Guides View the owners transmission for your CRAFTSMAN HIGH WHEEL WEED TRIMMER #917773422. Home:Lawn & Garden Parts:Craftsman Parts:917773422 Craftsman Grass trimmer (weed wacker) Manual
Owner's Manual
JCRRFTSMRWJ
5.5 HORSEPOWER
22 INCH Cut
WHEELED
WEEDTRIMMER
Model No.
917.773422
• Rubber
•Assembly
•Operation
• Maintenance
•Espa_ol
•Repair Parts
_L, CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Visit our Craftsman website: www.sears.com/craftsman
Warranty ................................................. ii
Safety Rules ........................................ 2-four
Assembly ................................................ 5
Functioning ............................................. half-dozen-8
Maintenance Schedule .......................... 9
Maintenance ...................................... 9-12
Production Specifications ............................ nine
Service and Adjustments ................. 13-14
Storage ................................................. 15
Troubleshooting ................................... 16
Repair Parts ..................................... 34-41
Parts Ordering ........................ Back Cover
Limited "I3NOYEAR WARRANTY ON CRAFTSMAN WEEDTRIMMER
For ii years from date of purchase, when this Craftsman Weedtrimmer is maintained,
lubricated, and tuned upward according to the operating and maintenance instructions in
the possessor's manual, Sears volition repair free of accuse any defect in material or workman-
ship.
If this Craftsman Weedtrimmer is used for commercial or rental purposes, this warranty
applies for only 90 days from the date of purchase.
This Warranty does non encompass:
• Expendable items which get worn during normal use, such as rotatinglines,
belts, air cleaners and spark plug.
• Repairs necessary because of operator abuse or negligence, including bent
crankshafts and the failure to maintain the equipment according to the instructions
contained in the owner's transmission.
Warranty service is available by returning the Craftsman Weedtdmmer to the nearest
Sears Service Center in the United States. This warranty applies merely while this production
is in use in the United States.
This Warranty gives you specific legal rights, and you may also have other rights which
vary from state to country.
Sears, Roebuck and Co., Dept. 817 WA, Hoffman Estates, IL 60179
WARNING: This trimmer is equipped with an internal combustion engine and should
not be used on or near any unimproved woods-covered, brush-covered or grass-
covered land unless the engine'southward frazzle arrangement is equipped with a spark arrester
meeting applicable local or state laws (if any). If a spark arrester is used, it should be
maintained in effective working order by the operator.
In the state of California the above is required past law (Section 4442 of the California
Public Resources Lawmaking). Other states may have similar laws. Federal laws use on
federal lands. A spark arrester for the muffler is available through your nearest Sears
service center (See REPAIR PARTS section of this manual).
The performance of any trimmer tin can result in foreign objects thrown into
the optics, which tin can result in severe middle damage. Always wear safety
1000asses or eye shields while operating your trimmer or performing any
adjustments or repairs. We recommend a wde vision safety mask
over spectacles or standard prophylactic glasses.
L GENERAL Functioning
•Read, empathize, and follow all
instructionson the machine and in the
transmission before starting. Exist thoroughly
familiar with the controls and the proper
employ of the machine before starting,
• Do non put hands or feet near or nether
rotating parts.
•Keep aU parts of your body away from
muffler and spinning line. A hot muffler
can cause serious burns.
• But allow responsible individuals, who
are familiar with the instructions,to
operate the automobile.
•Stay away from breakable objects, such
as house windows, auto glass, green-
houses, etc.
• Clear the surface area of objects such as rocks,
toys, wire, basic, sticks, etc., which
could be picked upwards and thrown by the
spinning lines.
•Be certain the area is clear of other
people before trimming, particularly
small children and pets. Stop auto
if anyone enters the area.
•Wear appropriate clothing such as a
long-sleeved shirt or jacket. As well article of clothing
longtrousers or slacks. Do not article of clothing
shorts,
•Do not wear loose habilimentwhich could
get caught in this equipment.
•Do not operate the auto when
barefoot or wearing open up sandals.
Always habiliment work gloves and sturdy
footwear. Leather work shoes or brusk
bootswork well for nearly people. These
will protect the operator's ankles and
shins from small sticks, splinters, and
other debris, and meliorate traction.
• Practise not pull auto backwards unless
absolutely necessary. Always look
down and behind before and while
moving backwards.
•Practise not operate the machine without
proper guards, plates or other safety
protective devices in place.
,See manufacturer'southward instructions for
proper operation and installation of
accessories. Only use accessories
approved by the manufacturer.
•Never apply blades, wire, or flailing
devices. This unit is designed for line
trimmer use only. Use of other accesso-
ries or attachments will increase the risk
of injury.
•Finish the rotatingtrimmer caput when
crossing gravel drives, walks, or roads.
Wait for the cut lines to stop rotating.
•Stop the engine (motor) whenever yous
leave the equipment and let it to
cool, before cleaning, repairing or
Inspecting the unit. Be sure the trimmer
caput and all moving parts have
stopped.
• Operate merely in daylight or adept
artificial calorie-free.
•Do not operate the machine while
nether the influence of alcohol or drugs.
• Never operate machine in moisture grass.
Ever exist sure of your footing: continue a
business firm hold on the handle and walk; never
run.
•If the equipment should showtime to vibrate
abnormally, stop the engine (motor)
and check immediately for the cause.
Vibration is generally a warning of
problem.
• Always wear safe goggles or safety
glasses with side shields when operat-
ing automobile.
three
II. SlopeOPERATION
Slopesareamajor gene related to slip
and fall accidents which can outcome in
severe injury. All slopes require extra
caution, If you feel uneasy on a slope, do
non trim it.
DO:
• Trim across the face of slopes: never up
and downwards. Exercise extreme circumspection
when changing management on slopes.
•Remove obstacles such equally rocks, tree
limbs, etc.
•Watch for holes, ruts, or bumps. Tall
grass can hide obstacles.
DO Not:
•Practice non trim about drop-offs, ditches or
embankments. The operator could lose
footing or residuum.
• Practice not trim excessively steep slopes.
•Do not trim on wet grass. Reduced
footing could crusade slipping.
II1. CHILDREN
Tragic accidents tin can occur if the operator
is not alert to the presence of children.
Children are often attracted to the motorcar
and the trimming action. Never presume
that children volition remain where you last
saw them.
•Keep children out of the trimming area
and under the watchful intendance of another
responsible adult.
• Be alert and plow machine off if children
enter the surface area.
• Before and while moving backwards,
look behind and down for minor
children.
•Never allow children to operate the
automobile.
•Employ extra care when approaching blind
corners, shrubs, copse, or other objects
that may obscure vision.
IV. SERVICE
•Use extra care in handling gasoline
and other fuels. They are flammable
and vapors are explosive.
- Employ only an approved container.
- Never remove gas cap or add fuel
with the engine running. Permit
engine to cool before refueling. Practise
not smoke.
- Never refuel the auto indoors.
- Never store the machine or fuel
container inside where in that location is an
open flame, such as a water heater.
- Move away from fueling site earlier
starting engine.
• Never run a car inside a closed
area.
• Never make adjustments or repairs
with the engine (motor) running.
Disconnect the spark plug wire, and
keep the wire away from the plug to
prevent accidental starting.
• Keep nuts and bolts, particularly tdmmer
head and engine bolts, tight and keep
equipment in good status.
•Never tamper with safety devices.
Check their proper operation regularly.
• Keep automobile free of grass, leaves, or
other debris buildup. Clean oil or fuel
spillage. Allow machine to cool before
cleaning or storing.
• Stop and audit the equipment if you
strike an object. Repair, if necessary,
earlier restarting.
•Exercise not change the engine governor
setting or overspeed the engine.
•Make clean and replace safe and instruc-
tion decals as necessary.
_Look for this symbol to point out
importantcondom precautions. It means
Caution!!! BECOMEALERT!T! YOUR
SAFETY IS INVOLVED.
AAlarm: In club to prevent
accidental starting when setting upwards,
transporting, adjusting or making repairs,
always disconnect spark plug wire and
identify wire where information technology cannot contact spark
plug.
ACAUTION: Muffler and other engine
parts become extremely hot during
operation and remain hot afterward engine
has stopped. To avert severe burns on
contact, stay away from these areas.
Readtheseinstructionsand this transmission in its
entirety beforeyousattemptto assembleor
operate your new trimmer.
IMPORTANT: Thistrimmer is shipped
WITHOUT OILOR GASOLINE in the engine.
Yournew trimmerhas been assembledatthe
manufacturing plantwiththe excepSonof those parts left
unassambled for shippingpuq_oses.All parts
suchas nuts,washers,bolts,etc.,necessary
to completethe assembly accept been placed
in the parts pocketbook. Toensuresafe andproper
oparationof yourtdmmer, all parts and
hardware y'all get together must be tightened
sacurely. Usa thecon'eottoolsas necessary
to ensurepropertightness.
Loose Pads Packed Separately
twenty oz.
Bottleof oil Trimmer Lines
(2) Sets
(0.t55 diameter
ten eighteen.75 Inches long)
TO REMOVETRIMMER FROM CARTON
1, Remove loose parts included with
trimmer.
2. Cut down two end corners of carton
and lay finish panel down fiat.
3, Remove all packing materials,
iv, Roll trimmer out of carton and check
carton thoroughly for additional loose
parts.
HOWTO SET UPYOURTRIMMER
TO UNFOLD HANDLE
IMPORTANT: Unfoldhandlecarefullythen as
non to pinch_ impairment controlcables.
I. Loosen handle knob enough to allow
upper handle to be unfolded from the
shipping position,
2. Raise upper handle department into place
on lower handle and tighten handle
knob,
three, Remove handle padding holding
trimmer head control bar to upper
handle.
Yourtrimmer handle can exist adjusted for
your trimmingcomfort. Refer to "Adjust
HANDLE" in the Service and Adjustments
section of this manual.
knob
handle
KNOW YOUR TRIMMER
READ THIS Possessor'S MANUALAND SAFETY RULES BEFORE OPERATINGYOUR
TRIMMER. Compare the illustrationswithyourI_'iromerto familianze yourselfwiththelocation
of var;easconbolsand adjustments.Salvage this roanualforfuturereference.
These _mayannouncedonyourblmmerorinI_m suppliedwHhU)eastproduct.Lea_andunderstand
41 Warning
Av0,o=..0=. Y=o.m @
Caution ENGIN_ OFF
FAST blow
FUEL OIL
ThrottJe - Trimmer head command bar
•Trimmer head command lever
Starter handle GasoSne cap
Cover
Engine oil
cover
aad
IMPORTANT: Thisb'immer is shipped
WITHOUT OIL OR GASOLINE inthe engine. - Trimmer line
Trimmer caput conbol bar - must be held
downto the handleto engagetrimmerhead.
Releaseto end the t_mmerhead.
Palmer- pumpsadditionalfuel from the
carburetor to the cylinder for utilise when
startinga coldengine.
Throttle command- usedfor startingand
stoppingthe engineand allowsyous to select
eitherfast orho-humenginespeed.
Starter handle - usedfor sta_ng the engine.
Trimmer caput control lever- usedto
engage thmroer head.
six
The operation of any trimmer can result in
foreign objects being thrown into the
optics, which tin can consequence in astringent eye
damage. Always article of clothing rubber spectacles or
middle shields while operating your tdmmer
or performing any adjustments or repairs.
We recommend a wide vision rubber mask
over spectacles or standard safe
spectacles.
HOWTO USEYOURTRIMMER
ENGINE SPEED
The engine speed is controlled past a
throttle located on the side of the upper
handle. Fast positionis for starting and
normal trimming. Tiresome is for light trimming
and fuel economy. Stop is for stoppingthe
engine. .,., @
,Trimmerhead control bar Drive control
lever
Toengagetrimmerhead disengaged
TO Arrange TRIMMING HEIGHT
ACAUTION: End the engine and wait
for all moving parts to cease. Disconnect
spark plug wire from spark plug and
place wire where it cannot come in
contact with plug.
The height of cut can be set to six (6)
different positions ranging from 1-1/2
inches to 3 inches. Recommended cutting
pinnacle for the average grand is 2 inches,
1. To conform trimming height, button in the
locking plate tab and movement trimmer
head up or downward to desired position.
two. Release tab and be sure head is
locked into one of the vi (6) height
positions.
Adjustable
Head
Locking
Plate Tab
TRIMMER HEAD Drive CONTROL
Your trimmer is equipped with a trimmer
head drive control bar and lever which
require the operator to be positioned
behind the trimmer handle to operate the
trimmer.
•Trimmer head rotation is controlled past
holding the trimmer head control bar
downward to the handle and pushingthe
bulldoze control lever forrad until itclicks;
and so releasing the lever,
• Trimmer caput rotation volition stop when
the command bar is released.
BEFORE STARTING ENGINE
ADD OIL
Your trimmer is shipped without oil in the
engine. For type and grade of oil to use,
see "ENGINE" in the Maintenance section
of this manual.
A, CAUTION: Practice NOT overfill engine with
oil, or information technology will smoke on startup.
1. Be certain trimmer is level and area
around oil fill up is make clean.
ii. Remove oil dipstickfrom oil make full spout.
Brand sure that rim of spout is clean.
iii. You receive a 20 oz. container of oil
with the unit. Slowly pour iii/four (15 oz.)
of the oil from the container down the
oil make full spout into the engine.
four. Wait one minute to allow oil to settle.
Insert and tighten dipstick, and then
remove it to bank check oil level.
5. Keep adding small amounts of oil
and rechecking the dipstick until it
reads full. DO Not overfill, or engine
will smoke on startup.
6. Always exist certain to retighten oil dipstick
before starting engine.
•Check oil level before each utilize. Add oil if
needed. Fill upto total line on dipstick.
•Change the oil alter every 25 hours of
functioning or each flavour. You may need
to alter the ell more than often under dusty,
dirty atmospheric condition.
Add GASOUNE
•Fill fuel tank. Use fresh, clean, regular
unleaded gasoline with a minimum of 87
octane. Practise not mix ell with gasoline.
Buyfuel in quantifJesthat can be
used withinxxx daysto clinch fuel
freshness.
_,WARNING: Feel indicates that
booze composite fuels (chosen gasohol or
using ethanol or methanol) tin can concenter
moisture which leads to separation and
formation of acids during storage. Acidic
gas can damage the fuel organization of an
engine while in storage. To avoid engine
problems, the fuel arrangement should be
emptied before storage of 30 days or
longer. Drain the gas tank, start the
engine and let it run until the fuel lines
and carburetor are empty. Apply fresh fuel
next season. See Storage Instructions for
boosted information. Never use engine
or carburetor cleaner products in the fuel
tank or permanent damage may occur.
_, Caution: Fill to bottom of gas tank
tiller neck. Do not overfill. Wipe off any
spilled oil or fuel. Do not shop, spill or
use gasoline virtually an open flame.
Engne ol c_
Gasolinefillercap
TO Kickoff ENGINE
1. To starta string engine,buttonpnmer 3
(3) times before tryingto start. Use a business firm
push. Thispace is nonusually necessary
when startingan engine which has
alreadyrunfor a few minutes.
2. Motility throWecontrolleverto fast position.
3. Held upperhandle firmly and pullstarter
handlequickly. Practice notletstarterrope
to snap back.
TO STOP ENGINE
• To stop engine, motility throttle control lever
to stop position.
Annotation: In cooler conditions information technology may be
necessary to echo pdming steps. In
warmer weather overpriming may cause
flooding and engine will not first. If yous
do flood engine, wait a few minutes
earlier attempting to starting time and do not
repeat priming steps. _
Throttle \\
control _
Starter _ _
handle
TRIMMING TIPS
• Set the throttlecontrolin the fast
position,Ifthe weeds or grass are tall
and thick,operate the trimmer at a
slower walking speed.
•Oftenclean the undersideof the
tnmmer to remove any grass buildup.
Keep top of engine around starter dear
and elean of grass clippingsand chaff.
This volition assist engine air flow and extend
engine life. Run across "TO REMOVE ENGINE
COVER" in the Maintenance sectionof
this manual.
•For best results and longer lasting line,
employ the ends of the lineto do the cut.
This is easily done by moving slowly
throughvery thick and heavy weeds.
• Apply the leftside of trimmer when
trimming along fences, walls, flowerbeds
and other such objects.
•Iftrimmer lines become too short, information technology will
accept longer to consummate the job. If
trimmer lines are worn to less than half
their original length, they should be
replaced. Encounter "TO REPLACE TRIMMER
LINE" in the Maintenance section of this
manual.
• Tdmmer caput contact with concrete,
cobblestone or other hard surfaces may
crusade premature wear of the ball on
viii bottom of trimmer head.
MAINTERA.CE SC.East.ULE
AS Yous COMPLETE OY _:_/ _3 _ 8_
Check for Loose Fasteners I_ I_
T
iR Clean Trimmer I_ I_
I
M Make clean Under Engine Cover I/ii l/
Grand Cheque drive belt/pulleys
R! CheckJReplace Trimmer Lines 1113
Check Engine Oil Level II_
EChange Engine Oil _1,2
GN Clean Air Filter I##2
I Audit Muffler I1_
NClean or Replace Spark Plug Two/
Replace Air Fi_terPaper Cartridge ti/2
1 - Change more c_tenwhen Operating under a heavy LOad c_ in loftier ambience lempecatures
2- Sewtce more frequently when operatJngin dirtyor dusty condibons
3 - Supplant _mmer li_e$ when they have worn Io one-half thek odgi_al length.
General RECOMMENDATIONS
The warranty on this trimmer does not
cover items that have been subjected to
operator abuse or negligence. To receive
full value from the warranty, operator must
maintain trimmer every bit instructed in this
manual.
Some adjustments will need to be made
periodically to propedy maintain your unit of measurement.
All adjustments in the Service and
Adjustments section of this manual should
be checked at least once each flavor.
• In one case a yr, replace the spark plug
and replace air filter element. A new
spark plug and clean/new air filter
chemical element assures proper air-fuel mixture
and helps your engine run amend and
last longer,
• Follow the maintenance schedule in
this manual.
Earlier EACH USE
1. Bank check engine oil level.
2. Bank check for loose fasteners.
3. Clean nether engine cover.
LUBRICATION
To prolong the useful life of your trimmer,
change engine oil every bit recommended in
this department of Owner'southward Manual.
Important: Exercise not oilorgrease plastic
wheel beatings. Viscid lubricants willattract
dust and dirt that will shorten the llfeof the
seif- lubdcaf_ngbeanngs. If you feel they must
be lubricated, use only a dry, powdered
graphite type lubricant sparingly.
Product SPECIFICATIONS
Serial No.
Date of Purchase: .............
Gasoline Type: Unleaded Regular
Gasoline Capacity: 1.25 Quarts
Oil Type: SAE 30 (Above 32° F)
(API-SF-SJ) SAE 5W-30 (Below 32°F)
Oil Capacity: 20 Ozs,
Spark Plug : Champion J19LM
(Gap: .030") or RJ19LM
Trimmer Line Diameter: ,155 inch
Trimmer Line Length: xviii,75 inches
The model and serial numbers will exist found on
a decal attached to the rear of the trimmer.
Record both series number and engagement of
buy in space provided above.
ix
TRIMMER
E'erobsawe prophylacticruleswhen perform-
ingany maintenance.
TIRES
• Go alongtires free of gasoline, oil, or insect
controlChemicalswhichtin can harm rubber.
•Avertstumps, stones, deep ruts,shaq)
objectsand otherhazardsthat may crusade
tire damage.
TRIMMER MNE
For best results, supervene upon trimmer Lines
when they have worn to half their original
length. Use .155 inch diameter trimmer
line. Cut new tdmmer line length to eighteen-3/4
inches. Subsequently new line is installed on
tdmmer head, check all lines so they do
not vary more then 1 (1) inch in length.
This is of import to make certain the trimmer
head is balanced and will not v{brate
abnormally.
A.Alarm: Use only the specified
trimmer line. Do not apply other materials
such every bit wire, string, rope, etc. Wire can
break off duringtrimming and become a
dangerous missile that tin cause serious
injury.
TO Supplant TRIMMER LINE
1. Disconnect spark plug wire from spark
plug and identify wire where information technology cannot
come in contact with spark plug.
2. Remove worn trimmer line from line
carrier plate.
3. Fold new, cutting to length, trimmer line in
one-half and insert folded end through
carrier plate opening to back side of
retainer clip.
4. With folded end of line at back side of
retainer clip, pull line outward until
line is fully seated nether the servant
prune.
five. Repeat on other side of carrier plate.
six. Check all lines to exist sure they are the
same length.
vii. Reconnect spark plug wire to spark
plug.
Trimmer
line
Carrier plate
opening
cl_p
ENGINE
LUBRICATION
Utilise only high quality detergent oil rated
with API service classification SF-SJ.
Select the oil's ShE viscosity form
co-ordinate to your expected operating
temperature.
NOTE: Although multiwiscosity oils
(5W30, 10W30 etc.) amend starting in
cold conditions, these multi-viscosity oils
will result in increased oil consumption
when used above 32°F. Check your
engine oil level more frequently to avoid
possible engine harm from running
low on oil.
Modify the oil after every 25 hours of
operation or at to the lowest degree in one case a year if the
unit is not used for 25 hours in one year.
Check the crankcase oil level before
starting the engine and after each v (5)
hours of continuous utilise. Tighten oil plug
securely each time you bank check the oil
level.
10
TO Modify ENGINE OIL
Note: Before tipping trimmer to drain
oil. drain fuel tank by running engine
until fuel tank is empty.
ane. Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
2. Remove engine oil cap; lay aside on a
clean surface.
3. Tip trimmer on its side as shown and
drain oil into a suitable container.
Rock trimmer back and forth to
remove any oil trapped inside of
engine.
4. Wipe off any spilled oil from trimmer
and side of engine.
v. Fill engine with oil (See "ADD OIL" in
the Performance section of this manual).
half-dozen. Replace engine oil cap.
7. Reconnect spark plug wire to spark
plug.
AIR FILTER
Yourengine volition net run prepedy and may
exist damaged past using a dingy air filter.
Replace the air filter every 100 hours of
operation or every flavor, whichever
occursfirst. Service air cleaner more
ofttimes under dusty conditions. Do non
wash air filter.
TO CHANGE AIR FILTER
ane. Remove the air filter past turning
clockwise to the stop and pull abroad
from collar.
ii. Remove filter from inside of embrace.
3. Clean the inside of the embrace and the
neckband to remove whatever dirt accumula-
tion.
4. Insert new filter into cover.
5. Put air filter cover and filter into collar
aligning the tab with the slot.
six. Button in on embrace and turn counter-
clockwise to tighten.
Turn
Collar clockwise
to remove
Slot
Air tilter
Tab
Air tilter cover Turn
counterclockwise
to tighten
MUFFLER
Audit and replace corroded muffler every bit
it could create a fire hazard and/or
damage.
SPARK PLUG
Replace spark plugs at the starting time of
each mowing flavour or after every 100
hours of operation, whichever occurs start.
Spark plug type and gap setting are
shown in "Product SPECIFICATIONS"
in Maintenance department of this transmission.
CLEANING
Important: For best performance,
keep trimmer free of built-up grass and
trash. Clean the underside of your
trimmer afterward each utilize.
_CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come up in contact with the spark
plug.
• Turn trimmer on its side. Make sure air
filter and carburetor are up. Clean the
underside of your trimmer past scraping
to remove build-upwardly of grass and trash.
• Clean engine oft to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine fife.
•Keep finished surfaces and wheels
free of all gasoline, oil, etc.
• We do not recommend using a garden
hose to make clean trimmer unless the
electrical system, muffler, air filter and
carburetor are covered to go on water
out. Water in engine can result in
shortened engine life.
xi
Make clean Nether ENGINE Encompass
Make clean under engine cover earlier each
apply, or more frequently in heavy cutting
or muddied atmospheric condition. Engine encompass screen
and engine air intake screen must be
kept gratis of dirt and chaff to prevent
engine damage from overheating.
Be sure engine is absurd before cleaning.
1. Unscrew knob on height of cover.
2. Lift cover up and away from engine.
Knob
Starter
rope
3. Clean cover and encompass screen
thoroughly.
4, Make clean top of engine and air intake
screen.
five. Supercede engine cover and tighten
knob securely. Be sure the front end tabs
of engine embrace are located in the
slots in engine housing.
Eo_vgienre _thul_aded
screenl scre_ one
Air inta
Housir slots
12
ACircumspection: Before performing any
service and adjustments:
1. Terminate engine.
2. Make certain the rotating lines and all
moving parts accept completely
stopped.
3. Disconnect spark plug wire from spark
plug and place where it cannot come
in contact with plug.
TRIMMER
TO ADJUST TRIMMING HBGHT
See "TO ADJUSTTRIMMING HEIGH'r" inthe
Opera,on secl_onof thismanual.
TO ADJUST HANDLE
The upper handle may exist adjusted to
dissimilar height positions.
•Loosen handle knob only enough to
allow the upper handle to pivotto the
desired position.
•Tighten handle knob securely.
Annotation: The handle knob and bolt may be
reversed for left handed operation.
Upperhandle
\\
TO REMOVE/REPLACE TRIMMER HEAD
Bulldoze BELT
1. Remove screw at front of chassis
cover.
ii. Liftembrace up and away from trimmer.
Chassis
3. Remove the two (2) screws on sides
of trimmer securing the debris shield.
4. Turn trimmer on its side with carbure-
tor and fuel cap upwardly.
5. Remove the two (2) screws on
underside of trimmer securing the
debris shield.
half dozen. Slide the debris shield rearward and
remove.
seven. Remove chugalug from engine pulley on
crankshaft.
_" Engine
caster
Handleknob " Droppings shield screws
13
eight. Remove belt from trimmer head pulley.
9. Note the position of the command cable
and idler render spring, then remove
idler associates from chassis and
remove belt and idler from trimmer.
ten.Remove belt from idler assembly by
removing bottom chugalug keeper and idler
pulleys.
11.Assemble new belt, idler pulleys and
lesser belt keeper to idler subclass.
Tighten pulley bolts deeply.
NOTE: Exist sure chugalug is inside top chugalug
keeper on idler assembly.
12.Position belt and idler assembly in
trimmer, reconnect idler bound and
get together idler to chassis.
13.Install belt effectually trimmer head pulley
and engine caster.
14.Supercede debris shield and tighten the
iv (four) screws securely.
15.Replace chassis embrace and tighten
screw securely.
Ever apply Craftsman replacement parts
to assure proper fit and long life.
Engine pulley
Chassis . --_'_. Nut
I .
Idler bracket Flatidler
Spacer
V-idler_
Idler
Bottom
\,_ belt
keeper
Idler assembly
Top chugalug keeper _ '_" _ 1
Bolt Trimmer head pulley
ENGINE SPEED
Yourengine speed has been manufactoryset up.
Do not attempt to increment engine speed
or it may issue in personal injury. Ifyous
believe that the engine is running too fast
or too ho-hum, take your unit to a Sears or
other qualified service center for repair
and/or adjustment.
CARBURETOR
Your carburetor has a nonadjustable fixed
main jet for mixture control. If your engine
does non operate properly due to sus-
pected carburetor problems, take your
unit to a Sears or other qualified service
center for repair and/or adjustment.
IMPORTANT: Never tamper with the
engine governor, which is factory set for
proper engine speed. Overspeeding the
engine above the manufactory loftier speed
setting can be dangerous. If y'all think the
engine-governed high speed needs
adjusting, take your unit to a Sears or
other qualified service center, which has
proper equipment and feel to
make any necessary adjustments.
14
Immediately gear up your trimmerfor storage
at thecease ofthe flavororif the unit volition non
be used for thirty days or more than.
TRIMMER
When tnmmer is to be stored for a pedod of
fourth dimension, dean it thoroughly, remove all dirt,
grease, leaves, etc. Store in a dean, dry area.
i. Clean entire trimmer (Run into "CLEANING" in
the Maintenance section of this manual).
2. Lubricate as shown in the Maintenance
department of this manual.
iii. Be certain that all nuta, bolts, screws, and
pinsare securely attached. Inspect
moving partsfordamage, breakage and
wear. Supercede if necessary.
four. Teach up allrusted or chipped pigment
surfaces; sand lightly before painting.
HANDLE
Yous can fold your trimmer handle for storage.
•Loosen handle knob enough to permit
upper handle to be folded forward.
Of import: When folding the handle for
storage or transportation,be certain to fold the
handle as shown or you lot may impairment the
commandcables.
handle
/
/
Handle knob
ENGINE
FUELSYSTEM
Important: Itisimportant to preventgum
deposits from fon'ning in essentialfuel organisation
tank dudng storage. Also, expedense
indicates that booze blended fuels (called
gasohoi or using ethanol or methanol) can
concenter moisture which leads to separation
and germination of acids dudng storage. Addic
gas tin damage the fuel organization of an
enginewhilein storage.
i. Drain the fuel tank.
two. Start the engine and permit it run untilthe
fuel lines and carburetor are empty.
•Never use engine or carburetor cleaner
products in the fuel tank or permanent
damage may occur.
• Use fresh fuel next flavour.
NOTE: Fuel stabilizer is an acceptable
altemaWe in minimizing the formation of fuel
gum deposits during storage. Add stabilizer
to gasoline in fuel tank or storage container.
Always follow the mix ratio establish on stabilizer
oontainer. Run engine at least 10 minutes
after calculation stabilizer to let the stabilizer to
accomplish the carburetor. Practise non drain the gas
tank and carburetor if using fuel stabilizer.
ENGINEOIL
Drain oil (with engine warm) and replace with
clean engine oil. (Encounter "ENGINE" in the
Maintenance section of this transmission).
CYLINDER
one. Remove spark plug.
two. Pour one ounce (29 ml) of oil through
spark plug pigsty into cylinder,
3, Pull starter handle slowly a few times
to distribute oil.
four. Replace with new spark plug.
OTHER
• Do not store gasoline from one season to
some other.
•Rep_aca your gasolinecan if yourtin can
starts to rust. Rustand/ordirtinyour
gasolinewillcrusade problems.
• If possible, store your unitindeareand
embrace it to give protectionfrom dust and clay.
• Dover your unit of measurement with a suitable protective
embrace that deas not retain wet. Exercise
notemploy plastic. Plasticcannot exhale,
whk_,hallows condensation to form and will
cause your unit of measurement to rest.
IMPORTANT: Never comprehend _mmer while
engine and frazzle areas are all the same warm.
_I_,CAUTION: Never store the trimmer
with gasoline in the tank inside a building
where fumes may reach an open flame or
spark. Allow the engine to cool earlier
parts suchas cerburat_, fuel tilter,fuel hoseor15storing in whatsoever enclosure.
TROUBLESHOOTING
PROBLEM CAUSE
Does not offset 1, Muddied air filter.
CORRECTION
2. Out of fuel.
3. Stale fuel.
4. H2o in fuel.
5. Spark plug wire is
disconnected.
six. Bad spark plug.
seven. Throttle control lever non
in correct position
(if equipped).
1. Dirty air filter.
ii, Buildup of grass, leaves,
and trash under trimmer.
3. Besides much oil in engine.
4. Walking speed also fast.
1. Lines uneven or broken.
2. Loose nuts or bolts.
three. Damaged trimmer head.
1. Bent engine crankshaft.
1. Belt not driving.
1. Handle height position not
right for yous.
ane. Trimmer line length is
too shorL
2. Throttle control lever not
in correct position
(if equipped).
ane. Trimmer line not
properly installed.
2. Broken line retainer clip.
3. Incorrect size of
trimmer line.
i. Clean/replace air filter.
2. Fill fuel tank.
three. Drain tank and refill with
fresh clean fuel.
iv. Drain fuel tank and
carburetor and refill tank
with fresh gasoline.
5. Connect wire to plug.
half dozen. Supersede spark plug.
vii. Move throttle lever to FAST
position.
Loss of power 1, Make clean/supercede air filter.
two. Clean underside of trimmer
and trimmer head.
3. Check oil level.
4. Trim at slower walking
speed.
Excessive 1. Cheque trimmer lines.
Vibration two. Check all hardware,
including engine bolts.
three. Check/repair trimmer caput.
Starter rope hard i. Contact a Sears or other
topull qualified service center.
Loss of head one. Put belt on pulleys or
drive replace belt if broken.
iHard to push ane. Adjust handle height
to adapt.
Poor trimming 1. If line is worn or broken to
performance half original length,
supercede line.
2. Move throttle lever to FAST
position.
Trimmer head ane. Follow instructionsin
does not Maintenance section.
retain line 2. Replace stdng carrier plate
associates,
3. Utilize .155 diameter
trimmer line.
16
SLOPE GUIDE
SIGHT AND Concord THIS GUIDE LEVEL WITH A VERTICAL
TREE, A CORNER OF A STRUCTURE, A POWER LINE
POLE, OR A Fence.
Operate a trimmer beyond the face up
of slopes, never upward or downwardly slopes.
15 DEGREEs
f_
Apply this guide and do not trim on a slope greater than 15 degrees.
A 10 degree slope Is a loma that increases In meridian at approximately 1.7 feet in 10 feet..
A xv degree slope Is a hill that increases in superlative at approximately two.5 anxiety In t0 feet..
Use extreme care at all Umes and avoid sudden turns or maneuvers. Follow other Education's in this
j_li anuel for rubber In trimming on slopes. Operate a trimmer beyond the confront ofslopes, never upwards or down
slopes. Apply extra care when operating on or virtually slopes and obstructions.
CRAFTSMANWEEDTRIMMER- -MODEL NUMBER 917.773422
20-
21 li
27
19
28
14 15
26
21
24
25
26
/
J 27
34
CRAFTSMAN WEED TRIMMER- - MODEL NUM BER 917.773422
KEY Part
NO, NO. Clarification
1..... Engine. Craftsman.
Model Number 143.015502
(See Breakdown)
2 1504(6 Bolt. Engine Mounting 3/8-sixteen
3 169791 Pulley, Engine (Includes Setscrew, Primal #4)
4STD502502 Setscrew, Pulley
5 174317 Embrace. Engine. with Screen
6 174274 Knob. Engine Cover
7 174030 Stud. Engine Comprehend
viii 169821X479 Handle, Lower
9 150078 Spiral. Hex Washer Head five/16-18 ten .75
10 169797)(479 Handle.Upper
11 170980 Commodities.Handle
12 136376 Knob, Handle
13 17(681 Adjuster, Handle. Inside
14 17(682 Adjuster. Handle. Outside
15 170554 Leap. Handle Adjust
16 153638 Guide, Rope
17 STD541025 Locknut 1/4 x 26
eighteen 66426 WireTire
nineteen 171449 ControIBar
20 174934 Throttk3Control
21 158755 Screw, Hex Washer Head
22 17475OX004 Axle Shaft Assembly
23 150076 Screw, Hex Washer Caput 5/15-xviii 10 .75
24 174751 Spacer, Axle
25 57143 Washer,Wave
26 752063 Wheel, 14 x 2
27 53923 Hex Flange LOCknut 3/viii-16
28 174037 DriveControl
29 174034 Decal.Warning
30 174039 Decal, Engine Cover
31 751152 Locknut 1/4-20
-- 177731 Owner's Transmission. English/Spanish
Available accessories non included with trimmer:
7133523 Gas Tin (2.5 gal.)
]J.33000 SAE 3OW Oil (20 oz.)
7J.79991 Trimmer Line (Pack of 24 strings, .155 dia.)
NOTE: All component dimensions given inU.Southward. inches
t inch = 25,4 mm
35
CRAFTSMAN WEED TRIMM ER -- MODEL NUMBER 917.773422
ane
xx 47
fourteen 43
four23
24
32
36
CRAFTSMAN WEED TRIMMER-- MODEL NUMBER 917.773422
Primal Office
NO. NO. DESCRIPTION
i
2
3
4
5
half dozen
7
8
9
10
11
12
13
fourteen
15
xvi
17
18
19
20
21
22
23
24
25
25
27
28
29
3O
31
32
33
34
36
37
38
39
4O
41
43
44
45
46
47
48
49
5O
174031X558 Chassis Assembiy
169802 Line, Trimmer .155 diameter x eighteen.75 long
173715 Screw, Self-Tappleg five/xvi-eighteen x 1
169790 V-Belt
172145X504 Bracket, Idler
166042 Pulley, Idler, VoGroove
173716 Bolt, Hex Head 3/6-xvi x 1.25
751592 Locknut, Hex iii/eight-16
166043 Pulley, Idler, Apartment
160829 Commodities,Shoulder
155552 Locknut 5/xvi-eighteen
173717 Spacer
174719 Bolt, Shoulder
145212 Locknut, Flange
173811 Spring, Return
177811 Shield, Oebds
57608 Spiral ane/4°20x 1/two
85768 Screw #10-24 x iii/4
175301 Skirt
170553 Comprehend, Chassis, Height
149746 Screw #10-24 x 1-3/4
southward'rD541137 Nut three/half-dozen-24 UNF
S'rD551137 Washer, Lock 3/8
STD551037 Washer, Apartment three/8
169792 Pulley, Dnven
172551 Spacer, Pulley
174549 Bearing
172520 Jackshatt
169766X479 Cover, Chassis, Lesser
174543 Spindle Housing Assembly
(* Includes Upper Bearing, Primal #27)
174581 Ring, Retaining, External, 17turn
176973 Spring, Locking Plate
172519 Locking Plate
174544 Carder Plate Assembly
172516 Embrace, Begetting
174580 Ring, Retaining, Internal, 4gram
172523 Mow Ball
172636 Commodities, Mow Ball
172342 Caput Associates, Complete
(Includes Central Numbers 22-28, thirty-39)
174029 Spacer
174042 Decal, Instruction
174035 Decal, Chassis Cover
174596 Chugalug Keepe=',Bottom
17060408 Screw, SelfoTapping
174036 Decal, Instruction
52784 Washer
76399 Screw
59931 Locknut
Note: All component dimensions given in U.Due south. Inches
I inch = 25.4 mm
37
CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.015502
4oo
130
416
182
185
120 119
125
43
/
179
1207
238 250
46 3_A
311A
38
CRAFTSMAN iv-Wheel ENGINE MODEL NUMBER 143.015502
Central PART
NO. NO. Description
1 37266 Cylinder (Incl. ii,20 & 150)
2 26727 Dowel Pin
half dozen 33734 Breather Chemical element
7 36557 Breather Ass'y. (Incl. half-dozen & 12A)
12 36775 SreatherTube
12A 36558 Breather Comprehend&Tube (Incl.12B)
12B 36694 BreatherTube Elbow
14 28277 Wash_
15 30589 Governor Rod (Incl. 14)
16 34839A Governor Lever
17 31335 Governor Lever Clench
eighteen 651018 Spiral. %15, eight-32 x 19164"
19 37329 Governor Spdng
20 32600 Oil Seal
30 37459 Crankshaft
40 40027 Piston, Pin & Ring Gear up (Std.)
40028 Piston, Pivot & Ring Prepare(.010"OS)
41 40025 Piston & PJnAssy.(Std.)(Incl.43)
40026 Piston & Pin Ass'y. (.010" Bone)
(Includes Key Number 43)
42 40006 Band Prepare (Std.)
40007 Ring Gear up (.010" OS)
43 20381 Piston Pin Retaining Ring
45 36777 Connecting Rod Assy. (Incl. 46)
46 32610A Connecting Rod Bolt
48 27241 Valve Lifter
l 37460 Camshaft (Exhaust MCR)
(Includes Key Number 104)
52 29914 Oil Pump Ass'y.
69 37609 * Mounting Flange Gasket
70 37608 Mounting Flange
(Includes Primal #72-83, 306)
72 37614 Oil Drain Plug
75 27697 Oil Seal
80 30574A Governor Shaft
81 30590A Washer
93 30591 Governo_ Gear Ass'y. (IncL 81)
83 30588A Governor Spool
86 650488 Screw, 114-20 10 one-114"
89 610961 Flywheel Key
90 611213 Flywheel
93 650815 Belleville Washer
93 650816 Flywheel Nut
100 34443C Solid Land Ignition
101 610118 Spark Plug Cover
103 651007 Spiral, %15, x-24 x 15/xvi"
104 37480 Cam Bushing
110 37574 GrOundWire
119 36787 *CylindetHeadGasket
120 36825 Cylinder Head
125 37288 Frazzle Valve (Std.) (Incl. 151)
126 37289 Intake Valve (Std.) (Incl. 151
130 6021A Spiral, 5/16-18 x i-ane/2'*
135 37598 Resistor Spark Plug (RJ19LM4)
150 31672 Varve Spdng
151 31673 Valve Spdng Cap
151A 40017 Intake Valve Seal
KL=Y pART
NO, NO. DESCRIPTION
169 36783 ° Gasket, Valve Encompass
172 36784 Valve Comprehend
174 30200 Screw, x-24 x 9116"
178 29752 Nut & Lock Washer, 114-28
179 30593 Retainer Prune
182 6201 Screw, 114-28 x seven/8"
184 26756 * Gasket, Carburetar-lntake Piping
185 36785 Intake Piping
186 36255 Governor Link
200 37134 Command Subclass (Ind. 206)
206 610973 Terminal
207 3620013 Throttle Link
209 30200 Spiral, 10-24 x 9116"
223 650451 Screw, one/4-twenty ten ane"
224 36786 * Intake Pipe Gasket
238 650932 Screw, 1 0-32 ten 49/64"
239 34338 * Air Cleaner Gasket
241 36919 AirCleaner Collar
245 369_5 Air Cleaner Fitier
250 37122 Air Cleaner Cover
260 36980 Blower Housing
261 30200 Screw, x-24 x 9/xvi"
252 650831 Screw, 1/four-xx x 1/2"
275 36790A Muffler
277 650988 Screw, 114-20 x two-nine/32"
285 35267A Starter Cup
287 650926 Screw, eight-32 x 21/64"
290 34357 FuelLine
292 26460 FueJLineClamp
298 26763 Spiral, 10-32 x 35/64"
300 35586 Fuel Tank (Ind. 292 & 301 )
301 38246 FuelCap
306 35577 Oil Fill Tube
306 37610 " "O_-Ring
307 35499 "O'-Ring
309 650562 Spiral, 10-32 x 3/8 _
309A 650783 Screw, 10-24x3/4"
310 35578 Dipstick
311A 37611 Hold Down Bracket
313 34080 Spacer
370A 36261 Lubrication Decal
370(; 37318 Primer Decal (3X)
380 640262 Carburetor (IncL 184
390 590763 Rewind Starter
400 37613 Gasket Set
(includes all Items Marked ")
416 36085 Spark Arrestor Kit
(InCludes Fundamental # 417) (Optional)
417 650821 Screw, 10-32 x 1/two" (Optional)
900 750837B Replacement Sho_ Cake
750837B, order from 71-999
--- RPM High 3450 to 3750
-- -- RPM Low 2000 to 2300
Note: All component dimensions given in U.Southward. inches
1 inch = 25.iv turn
39
CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.015502
PART
NO, NO. Clarification
-- 640262 Carburetor (Incl. 164 of Engine Parts List)
1 631615 Throttle Shaft & Lever Assembly
ii 631767 ThrotSe Retum Spnng
four 631184 * Grit Seal Washer
5 631183 * Dust Seal (Throttle)
half-dozen 640070 * Throttle Shutter
7 650506 * Shutter Spiral
16 631807 Fuel Fitting
17 651025 Throttle Crack Screwlldle Speed Screw
18 630766 Tension Spdng
20 640018 Idle Restnctor Screw
20A 640200 Idle Restdctor Sc_ve Cap (Black)
25 631867 Float Bowl
27 631024 * Float Shaft
28 632019 Fk_at
29 631028 " Bladder Bowl "0" Ring
thirty 631021 * Inlet Needle, Seat, & CHp (Incl. 31 )
31 631022 Spdng Clip
35 640259 Pnmer Bulb/Retainer Ring
36 640080 Main Nozzle Tube
36A 632766 Carburetor Tube
37 632547 " _O" Ring, Main Nozzle Tube
40 640175 High Sbeed BowlNut
44 27110A " BowlNut Washer
47 630748 * Welch Plug, Idle Mixture Well
48 631027 * Welch Plug, Atmospheric Vent
lx 632760B Repair kit (Ind. Items Marked *)
xl
CRAFTSMAN four-CYCLE ENGINE MODEL NUMBER 143.015502
%
/
13
I
12 \ 11
gl 15
Ore2
Role
NO. NO. DESCRIPTION
---- 590763 Rewind Starter
i 590599A Leap Pivot (IncL 4)
2 590600 Washer
iii 590696 Retainer
iv 590601 Washer
5 590697 Brske Bound
half dozen 590698 Starter Dog
7 590699 DogSpring
8 590700 Pulley & Rewind Spring Ass'y.
11 590764 Starter Housing Ass'y.
12 590535 Starter Rope (Length 98" x ix/64" dia.)
13 590701 Starter Handle
41
For repair of major make appliances in your own home...
no affair who made it, no thing who sold it!
1-800-four-MY-HOME sMAoytime.twenty-four hours o,nioht
(i-800-469-4663) _iilii
www.sears.com
To bring in products such as vacuums,
lawn equipment and electronics for repair, telephone call for
the location of your nearest Sears Parts & Repair Center.
1-800-488-1222 An_imo. day or dark
world wide web.sears.com
For the replacement parts, accessories and owner'south manuals
that y'all need to do-it-yourself, call Sears PartsDirectSM!
1-800-366-PART 6at.- 11pmCST,
(1-800-366-7278) 7 days a week
w_PN.sears.comlpartsdirect ...._,
To purchase or enquire well-nigh a Sears Service Agreement:
1-800-827-6655
7 a.m. - 5 p.m. CST, Mon. - Sat.
Papa pedir servicio de repapacidn a domicillo, Au Canada pour service en franerais:
y papa ordenar piezas con entrega a domicilio: 1-877-LE-Anteroom due south"
i-888-SU-HOGAR _" (1-877-533-6937)
(1-888-784-6427) [ )
SEARS
_'_ ;'_ " HomeCentral ®
®Sears, RoebuckandCo, ® Registered Trademark ! r= Trademark of Sears, Roebuck and Co.
® Marca Registrada / TM Marca de Fabrica de Sears, RoebucJ_ and Co.
177731 01.22.01 Past Printed in UsA.
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Source: https://usermanual.wiki/Craftsman/917773422.4070145958/html
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