Craftsman 247.881990 Operator's Manual page 17

NOTE: Wheninstallinga newsparkplug,tighten 1/2-turnafter thesparkplugseats
to compress t he washer. W henreinstallingausedsparkplug,tighten 1/8- to 1/4-
turn afterthe sparkplugseats to compress t he washer.General Recommendations.
1. Always observe safetyruleswhen performinganymaintenance.
2. Thewarrantyonthissnowthrowerdoesnot coveritemsthat havebeen
subjected tooperatorabuse or negligence. Toreceive full valuefrom the
warranty,operator mustmaintainthe snowthrowerasinstructedinthis
manual.
3. Periodically c heck all fasteners andhardware to makesurethesearetight.
Replacing the ShavePlate and Skid Shoes
Theshave plateandskidshoesonthe bottomof thesnowthroweraresubjectto
wear. T hese shouldbe checked p eriodically andreplaced when necessary.
1. Toreplace, r emove two carriage boltsandnutssecuring eachskidshoeto
the augerhousing.SeeFigure 15.
2. Reassemble newskidshoes with hardware just removed. M akesurethe skid
shoes areadjustedto belevel.
3. Toremove shaveplate:Remove b othskidshoes andhardware including
carriage boltsandnutswhichattachshave plateto the snowthrower
housing.Forlocationof shave plate,seeFigure15.
Shear Pin
Cotter Pin
Skid Shoe
Carriage Bolt
ShavePlate / /
Lock Nut
Carriage Bolt /_
Lock Nut
4.
Figure 15
Reassemble newshaveplate,making sureheads of thecarriageboltsareto
the insideofthe housing.Reinstall skidshoes. T ighten securely.
Lubrication
Foraviewof the lubricationpointson thesnowthrower,seeFigure 16.
1. Lubricate pivotpointson the augercontrol a nddrivecontrol w ith a light
engineoil onceaseason.
2. Lubricate t heauger i dlerbracket withalightengine oil once aseason.
/
/
/
Figure 16
Engine
Listedbelowaregeneral r ecommendations aboutmaintainingyoursnowthrower
engine.
1. Before operatingsnowthrower,check the oil level.
Z Change e ngineoil after first fivehoursof operationandevery50hours
thereafter.
3. Clean sparkplug andresetthe electrode gapto 0.030"at leastonceaseason
or every100hoursof operation; r eplace every200hoursof operation.
Servicing Auger
Theaugerissecured to the spiral s haftwith fourshear p insandcotterpins.Ifyou
hit aforeignobjector icejam,the snowthrowerisdesigned sothatthe pinsmay
shear. R eferto Figure 15.
If the augerdoesnot turn, check if the pinshavesheared. R eplace, if needed, w ith
propershearpins.Referto the PartsListinthismanual f orthe correctpartnumber.
IMPORTANT: NEVER r eplace the augershearpinswith standard pinsor fasteners.
Anydamage to the augergearbox or othercomponents, asaresultof doingso,will
NOT becovered byyoursnowthrower'swarranty.
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