Craftsman 90 Snow Manual

							  
HOWTOCHECKANDADJUST 
THECABLES 
Thecablesareadjustedatthefactory 
andnoadjustmentshouldbeneces- 
sary.Ifthecableshavebecome 
stretchedoraresaggingadjustmentwill 
benecessary. 
Tocheckforcorrectadjustment,discon- 
necttheZ-fittingatthedrivelever, 
movethedrivelevertothefullforward 
position,justcontactingtheplastic 
bumper.Thecontrolcablesarecor- 
rectlyadjustedwhenthecenterofthe 
Zfittingisbetweenthecenterand 
topoftheholeinthedriveleverand 
thereinnodroopinthecable.See 
Figure20. 
DriveLever 
ZFitting 
Figure20 
, 
2. 
3. 
, Removegasfromgastank.Stand 
snowthroweronend. 
DisconnecttheZfittingfrom 
drivelever. 
Pullspringcoveruptoexpose 
spring.Pushthecablethroughthe 
springtoexposethethreadedpor- 
tionofthecable.SeeFigure21. 
Holdthesquareendofthe 
threadedportionwithpliersandad- 
justtheIocknutinoroutuntilthe 
excessslackisremoved. Spr,n°! 
Figure21 
5.Pullthecablebackthroughthe 
springandconnectthecable.Do 
thesamefortheotherdrivelever 
cable,ifneeded. 
NOTE:Wheneverthetractiondriveor 
augerbeltsareadjustedorreplaced, 
thecableswillneedtobeadjusted. 
TOADJUSTBELTS 
Beltsstretchduringnormaluse.Ifyou 
needtoadjustthebeltsduetowearor 
stretch,proceedasfollows: 
HowToAdjustTheAugerDriveBelt 
Ifyoursnowthrowerwillnotdischarge 
snow,checkthecontrolcableadjust- 
ment.Ifitiscorrect,thencheckthe 
conditionoftheaugerdrivebelt.Itmay 
belooseordamaged.Ifitisdamaged, 
replaceit.SeeToReplaceBeltspara- 
graphinthissection.Iftheaugerdrive 
beltisloose,adjustasfollows: 
1.Disconnectthesparkplugwire. 
2.Removethebeltcover.See 
Figure22. 
BeltC 
F-001088J21  
						

							  
ractionDriveBelt 
IdlerPulley AugerDrive 
Belt 
Guide 
Drive 
Pulley 
Loosen 
thisnut 
Figure23 
3.Loosenthenutontheidlerpulley 
andmovethepulleytowardthebelt 
about1/8.SeeFigure23. 
4.Tightenthenut. 
5.Presstheaugerdrivelever.Check 
the,tensiononthebelt(oppositeau- 
geridlerpulley).Thebeltshould 
deflectabout1/2withmoderate 
pressure(SeeFigure24). 
_oorive 
Pulley 
O 
AugerIdler\_A..... 
Pulle-fl__ ,\/].__j,_/D,zIncrl  Engaged_eflectton 
I-@_Figure24 
NOTE:Iftheadjustmentisnotcorrect, 
repeattheadjustment. 
6.Replacethebeltcover. 
7.Checktheclutchcontrolcablead- 
justment. 
8.Reconnectthesparkplugwire. 
TractionDriveBelt 
Thetractiondrivebelthasconstant 
springpressureanddoesnotrequire 
adjustment.Replacethetractiondrive 
beltifitisslipping.SeeToReplace 
Beltsparagraphinthissection. 
F-001088J TOREPLACEBELTS 
Thedrivebeltsonthissnowthrower 
areofspecialconstructionandshould 
bereplacedwithoriginalequipment 
beltsavailablefromyournearest 
CraftsmanStore.Adistributorslistis 
suppliedinthepartsmanual. 
Youwillneedtheassistanceofasec- 
ondpersonwhilereplacingthebelts. 
HowToRemoveTheAugerDriveBelt 
Iftheaugerdrivebeltisdamaged,the 
snowthrowerwillnotdischargesnow. 
Replacethedamagedbeltasfollows. 
1.Removethegasfromthegastank. 
Standthesnowthroweruponthe 
frontendoftheaugerhousing. 
,_WARNING:Drainthegasoline  outdoors,awayfromfireor 
flame. 
2.Disconnectthesparkplugwire. 
3.Removethescrewfromthebelt 
cover.Removethebeltcover.See 
Figure22. 
4.Removetheboltsoneachsideof 
themotormountframe.See 
Figure25. 
5.Loosentheboltsoneachsideof 
themotormountframe.Theau- 
gerhousingandthemotormount 
framewillseparate,hingedbythe 
bolts. 
\_Bottom 
Panel 
MotorJ\\_--_ 
Mount-...._r__/; 
Frame-__,I/Auger 
.ou,,o0 
Removetop___/N, 
bolt(each__-_,,,,,,_\ 
__enbottomb/oltT_ 
(EachSide)Figure25 
6.Loosenthebeltguide,Pullthebelt 
guideawayfromtheaugerdrive 
pulley.SeeFigure23. 
7.Loosenthenutontheidlerpulley. 
Pulltheidlerpulleyawayfromthe 
augerdrivebelt. 
22  
						

							  
. 
Removetheoldaugerdrivebelt. 
Replacetheaugerdrivebeltwith 
anoriginalfactoryreplacementbelt 
availablefromanauthorizedservice 
center. 
9.installthenewaugerdrivebelt 
ontotheaugerdrivepulleyand 
ontothedrivepulley, 
10.Adjusttheaugerdrivebelt.See 
HowToAdjustTheAugerDrive 
BeltintheServiceAndAdjustment 
section. 
11.Adjustthebeltguide.SeeHowTo 
AdjustTheBeltGuideintheSer- 
viceAndAdjustmentsection. 
12.Installtheboltsoneachsideofthe 
motormountframe.See 
Figure25. 
13.Tighter_theboltsoneachsideof 
themotormountframe. 
14.Installthebeltcover.Tightenthe 
screw.SeeFigure22. 
15.Checktheadjustmentofthecables. 
SeeHowToCheckAndAdjustThe 
CablesintheServiceAndAdjust- 
mentsection. 
16.Connectthesparkplugwire. 
HowToRemovetheTractionDrive 
Belt 
Ifthesnowthrowerwillnotmovefor- 
ward,checkthetractiondrivebeltfor 
wearordamage.Ifthetractiondrive 
beltiswornordamaged,replacethe 
beltasfollows. 
1.Removethegasfromthegastank. 
Standthesnowthroweruponthe 
frontendoftheaugerhousing. 
_ARNING:Drainthegasoline  outdoors,awayfromfireor 
flame. 
2.Disconnectthesparkplugwire. 
3.Removetheaugerdrivebelt.See 
HowToRemoveTheAugerDrive 
BeltintheMaintenancesection. 
F-001088J 4.Pullthetractiondriveidlerpulley 
awayfromthetractiondrivebelt. 
SeeFigure26. 
TractionDriveBelt 
AugerDrive 
TractionBeltGuide 
DrivePulley 
Auger 
Drive 
Pulley 
Traction 
DriveAuger 
IdlerIdler 
PulleyPulley 
23 . 
. 
. 
. 
. EnginePulleyFigure26 
Removetheoldtractiondrivebelt 
fromthetractiondrivepulleyand 
fromtheenginepulley.Replacethe 
tractiondrivebeltwithanoriginal 
factoryreplacementbeltavailable 
fromanauthorizedservicecenter. 
Installthenewtractiondrivebelt 
ontothetractiondrivepulleyand 
ontotheenginepulley. 
Makesurethetractiondriveidler 
pulleyisproperlyalignedwiththe 
tractiondrivebelt. 
Installandadjusttheaugerdrive 
belt.SeeHowToRemoveTheAu- 
gerDriveBeltintheServiceAnd 
Adjustmentsection. 
Adjustthebeltguide.SeeHowTo 
AdjustTheBeltGuideintheSer- 
viceAndAdjustmentsection. 
10.Installtheboltsoneachsideofthe 
motormountframe.SeeFigure25. 
11.Tightentheboltsoneachsideofthe 
motormountframe. 
12.Installthebeltcover.Tightenscrew. 
SeeFigure22. 
13.Checktheadjustmentofthecables. 
SeeHowToCheckAndAdjustThe 
CablesintheServiceAndAdjust- 
mentsection. 
14.Connectthesparkplugwire.  
						

							  
HOWTOADJUSTTHEBELTGUIDE 
1.Disconnectsparkplugwire. 
2.Removethescrew.Removethe 
beltcover.SeeFigure22. 
3.Engagetheaugerdrivelever. 
4.Measurethedistancebetweenthe 
beltguideandaugerdrivebelt. 
Thecorrectdistanceis1/8inch 
(3.175mm).SeeFigure27. 
_BeltGuide 
Auger_-_°_l/81nch 
Idler/_-_\(3.175ram) 
Pu,ey\\ 
Engagedi___. 
Figure27 
. 
Ifanadjustmentisnecessary,loos- 
enthemountingboltforthebelt 
guide.Movethebeltguidetothe 
correctposition.Tightenthe 
mountingboltforthebeltguide. 
6.Installthebeltcover.Tightenthe 
screw.SeeFigure22. 
7.Connectthesparkplugwire. 
HOWTOADJUSTORREPLACE 
THEFRICTIONWHEEL 
HowToCheckTheFrictionWheel 
Ifthesnowthrowerwillnotmovefor- 
ward,checkthetractiondrivebelt,the 
tractiondrivecableorthefrictionwheel. 
Ifthefrictionwheeliswornordamaged, 
itmustbereplaced.SeeHowToRe- 
placetheFrictionWheelinthissection. 
Ifthefrictionwheelisnotwornordam- 
aged,checkasfollows. 
1.Removethegasfromthegastank. 
Standthesnowthroweruponthe 
frontendoftheaugerhousing. 
F-001088J A 
2. 
3. 
. 
. 
\ WARNING:Drainthegasoline 
outdoors,awayfromfireor 
flame. 
Disconnectthesparkplugwire. 
Removetheboltsoneachsideof 
thebottompanel.SeeFigure28. 
Loosentheboltsoneachsideof 
thebottompanel. 
Removethebottompanel. 
RemoveTopBolt 
(eachside) 
Motet 
Mount 
Frame Bottom 
Panel 
Auger 
Housing 
24 Loosenbottombolts_ 
(EachSide)Figure28 
6.Positiontheshiftspeedleverin 
thefirstforwardgear. 
7.Notethepositionofthefriction 
wheelonthediscdriveplate(See 
Figure29).Inthecorrectposition, 
therightoutersideofthediscdrive 
platemustbethreeinches 
(7,62cm.)fromthecenterofthe 
frictionwheel.Ifthefrictionwheel 
isnotinthecorrectposition,adjust 
asfollows. 
Friction 
Wheel 
Drive 
Plate I 
> 
Figure29 
HowToAdjustTheFrictionWheel 
1.Loosentheboltsonthespeed 
controlrodtooptainthecorrect  
						

							  
positionforthefrictionwheel.See 
Figure30. 
Leverl_,@- _Spring_/J 
Figure30 
2.Installthebottompanel.See 
Figure28. 
3.Tighte_theboltsoneachsideof 
thebottompanel. 
4.Installtheboltsoneachsideofthe 
bottompanel. 
HowToReplaceTheFrictionWheel 
Ifthefrictionwheeliswornordamaged, 
thesnowthrowerwillnotmoveforward. 
Thefrictionwheelmustbereplacedas 
follows. 
1.Removethegasfromthegastank. 
Standthesnowthroweruponthe 
frontendoftheaugerhousing. 
,_WARNING:Drainthegasoline  outdoors,awayfromfireor 
flame. 
2.Disconnectthesparkplugwire. 
3.Removethetopboltsoneachside 
ofthebottompanel.See 
Figure28. 
4.Loosenthebottomboltsoneach 
sideofthebottompanel. 
5.Removethebottompanel. 
6.Removethethreefastenersthat 
holdthefrictionwheeltothehub. 
SeeFigure31. 
F-001088,.I Hub 
25 Bolt 
HexNut 
Shaft 
Figure31 
7.Removethefourboltsthatholdthe 
bearingplatesoneachsideofthe 
hexshaft.SeeFigure32. 
NOTE:Takespecialnoteofthe 
positionofthewashersandretain- 
ingringonthehexshaftandthe 
sprocketassembly. 
FrictionWheelHexShaft 
BearingBearing 
PlatePlate 
Figure32 
8.Removethebearingplatefromthe 
rightside.Donotremovethehex 
shaft.Leavethehexshaftinposi- 
tion.Carefullyraisehexshaftjust 
enoughtoallowthefrictionwheel 
toberemoved. 
9.Removethefrictionwheelfromthe 
hub.Slipthefrictionwheeltoward 
therightoffthehexshaft.See 
Figure31. 
10.Assemblethenewfrictionwheel 
ontohubwiththefastenersre- 
movedearlier. 
11.Installthebearingplateontothe 
rightside.Makesurethehexshaft 
isengagedwithbothbearing 
platesandthatthewashersandre- 
tainingringareinstalledintheorigi- 
nalposition.SeeFigure32.  
						

							  
12.Fastenthebearingplatesusing 
thefourboltsremovedearlier. 
13.Makesurethehexshaftturnsfree- 
ly. 
14.Checktheadjustmentofthefriction 
wheel.SeeHowToAdjustThe 
FrictionWheelinthissection. 
15.Makesurethefrictionwheelandthe 
discdriveplatearefreefromgrease 
oroil. 
16.Installthebottompanel.See 
Figure28. 
17.Tightenthebottomboltsoneach 
sideofthebottompanel. 
18.Installthetopboltsoneachsideof 
thebottompanel. 
19.Cognectthesparkplugwire. 
HOWTOREPLACETHEAUGER 
SHEARBOLT 
Theaugersaresecuredtotheaugershaft 
withspecialshearbolts.Theseshearbolts 
aredesignedtobreakandprotectthema- 
chineifanobjectbecomeslodgedintheau- 
gerhousing.Donotuseaharderboltasthe 
protectionprovidedbytheshearboltwillbe 
lost. 
_lbARNING:Forsafetyandto  protectthemachine,useonly 
originalequipmentshearbolts. 
Toreplaceabrokenshearbolt,proceed 
asfollows.Extrashearboltswerepro- 
videdintheassemblypartsbag. 
1.Movethethrottlecontroltothestop 
position.Disengageallcontrols. 
2.Disconnectthesparkplugwire. 
Makesureallmovingpartshave 
stopped. 
3.Aligntheholeintheaugerwiththe 
holeintheaugershaft.Installthe 
newshearpinandspacer.See 
Figure33. 
4.Connectthesparkplugwire. 
F-001088J _arPin  /I 
_/acer 
_Figure33 
TOADJUSTTHECARBURETOR 
Ifyouthinkyourcarburetorneedsad- 
justing,seeyournearestCraftsman 
Store.Engineperformanceshouldnot 
beaffectedataltitudesupto7,000feet. 
Foroperationathigherelevations,con- 
tactyournearestCraftsmanStore. 
IMPORTANT:Nevertamperwiththe 
enginegovernor,whichisfactorysetfor 
properenginespeed.Over-speeding 
theengineabovethefactoryhigh 
speedsettingcanbedangerous.Ifyou 
thinktheengine-governedhighspeed 
needsadjusting,contactyournearest 
CraftsmanStore,whichhastheproper 
equipmentandexperiencetomakeany 
necessaryadjustments. 
26 TOADJUSTORREPLACETHE 
SPARKPLUG 
NOTE:Thissparkignitionsystem 
meetsallrequirementsoftheCanadian 
Interference-CausingEquipmentRegu- 
lations. 
NOTE:Thisenginecomplieswithall 
currentAustralianandNewZealand 
limitationsregardingelectromagnetic 
interference. 
Ifyouhavedifficultystartingthesnow 
thrower,adjustorreplacethespark 
plug.Replacethesparkplugisthe 
electrodesarepittedorburnedorifthe 
porcelainiscracked.Followtheinstruc- 
tionsbelow. 
Toadjust: 
1.Cleansparkplugbycarefully 
scrapingtheelectrodes(Donot 
sandblastoruseawirebrush).  
						

							  
2.Besuresparkplugiscleanand 
freeofforeignmaterial.Checkelec- 
trodesgapwithawirefeelergauge 
andresetgapto0.030ifneces- 
sary.SeeFigure34. 
ToReplace: 
1.Ifyouneedanewsparkplug,use 
onlytheproperreplacementspark 
plug. 
2.Setthegapto0.030inches. 
. 
Beforeinstallingthesparkplug, 
lightlycoatthesparkplugthreads 
withoilorgreasetoinsureeasyre- 
moval. . 
5. Firmlytightenthesparkpluginthe 
engine. 
Ifatorquewrenchisavailable, 
torquetheplugto18to23foot 
pounds. 
FeelerGauge 
0.030 
SparkPlug 
Figure34 
tJ, 
F-001088J27  
						

							  
_bARNING:Neverstoreyour  snowthrowerindoorsorin 
anenclosed,poorlyventi- 
latedarea.Ifgasolineremainsinthe 
tank,fumesmayreachanopen 
flame,sparkorpilotlightfromafur- 
nace,waterheater,clothesdryer, 
cigarette,etc. 
NOTE:Topreventenginedamage(if 
snowthrowerisnotusedformorethan 
30days)followthestepsbelow. 
SNOWTHROWER 
1.Thoroughlycleanthesnowthrower. 
2.Lubricatealllubricationpoints.See 
theMaintenancesection. 
. 
Besurethatallnuts,boltsand 
screwsaresecurelyfastened.In- 
Ib.* 
spectallvisiblemovingpartsfor 
damage,breakageandwear.Re- 
placeifnecessary. 
4.Touchupallrustedorchippedpaint 
surfaces;sandlightlybeforepaint- 
ing. 
5.Coverthebaremetalpartsofthe 
blowerhousingaugerandtheim- 
pellerwithrustpreventative,such 
asaspraylubricant. 
NOTE:Ayearlycheckuportune-upby 
aSearsservicecenterisagoodwayof 
ensuringthatyoursnowthrowerwill 
providemaximumperformanceforthe 
nextseason. 
ENGINE 
,_WARNING:Drainthegaso-  lineoutdoors,awayfrom 
fireorflame. 
Gasolinemustberemovedortreatedto 
preventgumdepositsfromformingin 
thefueltank,filter,hose,andcarburetor 
duringstorage.Also,duringstorageal- 
coholblendedgasolinethatusesetha- 
nolormethanol(sometimescalled 
gasohol)attractswater.Itactsonthe 
gasolinetoformacidswhichdamage 
theengine. 
F-001088,.I . 
. 
. 
. 
5. 
28 Toremovegasoline,runtheengine 
untilthefueltankisemptyandthe 
enginestops. 
Ifyoudonotremovethegasoline, 
usefuelstabilizersuppliedwithunit 
orpurchaseCraftsmanFuelStabi- 
lizerNo.3550.Addfuelstabilizerto 
anygasolineleftinthetanktomini- 
mizegumdepositsandacids.Ifthe 
fueltankisalmostempty,mixstabi- 
lizerwithfreshgasolineinasepa- 
ratecontainerandaddsometothe 
fueltank. 
Alwaysfollowtheinstructiononthe 
stabilizercontainer.Afterthestabi- 
lizerisaddedtothefueltank,run 
theengineatleasttenminutesto 
allowthemixturetoreachthecar- 
buretor. 
Changetheengineoil. 
Lubricatethepiston/cylinderarea. 
First,removethesparkplugand 
squirtafewdropsofcleanengine 
oilintothesparkplughole.Next, 
coverthesparkplugholewitharag 
toabsorboilspray.Then,pulltwoor 
threetimesontherecoilstarterrope 
torotatetheengine.Finally,install 
thesparkplugandattachthespark 
plugwire. 
OTHER 
1.Ifpossible,storeyoursnowthrower 
indoorsandcoverittogiveprotec- 
tionfromdustanddirt. 
2.Ifthemachinemustbestoredout- 
doors,blockupthesnowthrowerto 
besuretheentiremachineisoffthe 
ground. 
3.Coverthesnowthrowerwithasuit- 
ableprotectivecoverthatdoesnot 
retainmoisture.Donotuseplastic. 
IMPORTANT:Nevercoversnow 
throwerwhileengineandexhaustareas 
arestillwarm.  
						

							  
TROUBLECORRECTION 
DifficultstartingReplacesparkplug,  CAUSE 
Defectivesparkplug. 
Waterordirtinfuelsystem. 
Enginerunserratic 
Enginestalls 
Enginerunserratic; 
Lossofpower 
Excessivevibration 
Unitfailstopropelitself 
Unitfailstodischarge 
snow Blockedfuelline,emptygas 
tank,orstalegasoline 
UnitrunningonCHOKE. 
Waterordirtinfuelsystem. 
Looseparts:damaged 
nmpeUer Usecarburetorbowldrainto 
flushandrefillwithfreshfuel. 
Wornordamagedfriction 
wheel. Cleanfuelline;checkfuel 
supply;addfreshgasoline 
SetchokelevertoRUN 
)osition. 
Usecarburetorbowldrainto 
flushandrefillwithfreshfuel. 
Stopengineimmediatelyand 
disconnectsparkplugwire. 
Tightenallboltsandmakeall 
necessaryrepairs.If 
vibrationcontinues,havethe 
unitservicedbyaCraftsman 
servicerepairman. 
Drivebeltlooseordamaged.Replacedrivebelt. 
IncorrectadjustmentofAdjusttractiondrivecable. 
tractiondrivecable 
Replacefrictionwheel 
Augerdrivebeltlooseor 
damaged. 
Augercontrolcablenot 
adjustedcorrectly. 
Shearboltbroken 
Dischargechuteclogged. 
Foreignobjectlodgedin 
auger Adjustaugerdrivebelt; 
replaceifdamaged. 
Adjustaugercontrolcable. 
Replaceshearbolt 
Stopengineimmediatelyand 
Idisconnectsparkplugwire. 
Cleandischargechuteand 
insideofaugerhousing. 
Stopengineimmediatelyand 
disconnectsparkplugwire. 
Removeobjectfromauger. 
F-001088J29  
						

							  
CRAFTSMAN269HPSNOWTHROWER536.886260 
FRAMEASSEMBLY 
ENGINEMOUNTSTOFRONTHOLES 
ONTHEFRAME 
12- 
13- 
45 
53 54 
59 
60 
KeyNo. 
10 
12 
13 
41 
42 
43 
44 
45 
53 
54 
57 
58 
59 
6O 
63 
67 
68 
69 
F-001088,.I Description 
Model143.019003 
SCREW,5/16-18 
WASHER,SPTLK.31X.58X.08 
GUIDE,RODBELT 
PLASTICWASHER 
WASHER,SPTLK.31X.58X.08 
SCREW,5/16-24X1.00 
SPACER 
PULLEY,HALF 
WASHER,FLAT.752X.91X.02 
BELT,V3L33.13LG 
FLATWASHER.765Xl.12X.06 
SPACER,SLEEVE 
PULLEY,ENGINE 
BELT,V4L35.6LG 
WASHER,FLAT.375X1.25X.104 
WASHER,HVSPTLK.381D 
SCREW,3/8-24Xl.00 
OWNERSMANUAL 
3O 344685 
PartNo. 
ENGINE 
710024 
71060 
3949 
6711 
71060 
910828 
762291 
579854 
579861 
579932 
712120 
586251 
586253 
581264 
50677 
71063 
71015 
F-001088J 69