Service And Maintenance; Oil Recommendations; Spark Plug - Craftsman 88704 - 123cc 4 Cycle Single Stage Snow Thrower Operator's Manual

Thoroughly wash yourhandswith soapand wateras soon as
possibleafter handlingusedoil.
NOTE:Pleasedisposeof usedmotoroil in a mannerthat is friendlyto
the environment. T akeit to a recyclingcenteror othercollectioncenter.
Oil Recommendations
Whenaddingoil to the engine,refertothe viscositychart below
(Figure9). Engineoil capacityis 600 ml (approx.20 oz.). Donot
over-fill.Usea 4-stroke,or an equivalenthigh detergent,premiumqual-
ity motoroil certifiedto meetor exceedU.S.automobilemanufacturer's
requirements for serviceclassificationSG,SR Motoroils classifiedSG,
SF will showthis desicnationon the container.
DO NOTuse non-detergent o il or 2-strokeengineoil. itcouldshorten
theengine'sservicelife.
f,
_ Im&lmmwNiwl _ I_L_ _
(%-400 -200 0o 200 400
(°c) -30° -20° -10° 0°
Figure9
Spark Plug
crankthe en( ine with the sark__ removed.
If the engine hasbeen running,the mufflerwill be very hot. Be careful
notto touchthe muffler.
Thespark plug shouldbe checkedevery25 hoursand changedonce
a seasonor every 100hours. Toensureproperengine operation, t he
sparkplug mustalso be properlygappedand free of deposits.
Removethe sparkplug bootand usea spark plugwrenchto
removethe plug,Figure10.
Spar Plug
©
Spark Plug Boot
Figure10
Visuallyinspect t he sparkplug. Discardthe sparkplug if thereis
any apparentwear,or if the insulatoris crackedor chipped.Clean
the spark plugwith a wire brushif it is to be reused.
Measurethe pluggap with a feelergauge.Correctas necessary
bybendingthe sideelectrode,Figure11.Thegap shouldbe set to
.02-.03inches(0.60-0.80ram).
Electrode
_t===== .02=.03 in.
(0.60-0.80 rnm)
Figure11
14