Craftsman 28933 Operation Manual - Page 19

Engine Maintenance

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ENGINE MAINTENANCE Checking the Engine Oil Onlyuse high qualitydetergentoil ratedwith APIserviceclassification SF,SG,SH, or SJ, Selectthe oil's SAEviscositygradeaccordingto the expectedoperatingtemperature.Followthe chart below. f_older _ 32°F _Warmer _ Oil Viscosity Chart Althoughmulti-viscosityoils (5W20,10W30,etc.)improvestarting in coldweather,they will result in increasedoil consumptionwhen usedabove32°RCheckyour engineoil levelmorefrequentlyto avoid possibleenginedamagefrom runninglowon oil. Tocheckthe engineoil, proceedas follows: 1. Ensurethat the tractoris on a levelsurface. 2. Cleantheoil fill area of anydebris. 3. Removethedipstickand wipe with a clean cloth. 4. Insertand tightendipstick. 5. Removethedipstickand checkthe oil level.It shouldbe at the Fullmark on the dipstick.See Figure7. F Dipstick Changing Engine Oil The engineoil shouldbe changedin the first 5 hoursand thenevery 50 hoursor once a season.Tochangethe engineoil, proceedas follows: 1. With engineOFF but still warm,disconnectsparkplug wireand keepit awayfrom sparkplug. 2. Popoff the protectivecap on theend of the oil drain valveto exposethe drain port. See Figure7. 3. Removethe oil fill cap/dipstickfrom theoil fill tube. See Figure7. 4. Pushthe oil drain hose(packedwith this manual)ontothe oil drain port. Routethe oppositeend of the hoseintoan appropriate oil collectioncontainerwith a capacitygreatenoughto collectthe usedoil. 5. Releasethe valveby twistingand pullingthe valveout. The oil will beginto drain outof the engine. 6. After the oil hasfinisheddraining,pressthe two tabs inwardand pushthe oil drainvalve back in to lock the valveclosed. Remove the hose,twist and pushin to lock valve,and re-capthe end of the oil drainvalve to keepdebrisfromenteringthe drain port. 7. Refillthe enginewith newmotoroil untilthe oil levelon the dipstick readsFULL.Replacetheoil fill cap/dipstick. Usedoil is a hazardouswasteproduct.Disposeof usedoil properly. IDonot discardwith householdwaste.Checkwith yourlocal authori[tiesor SearsServiceCenterfor safe disposal/recyclingfacilities. Changing the Oil Filter 1. Drainthe oil fromthe engineas describedabove. 2. Removetheoil filter and dis ure 8. Oil Drain Valve il Drain Hose Oil Filter Figure7 6. If low,add oil slowlyintothe engineoil fill. Do notoverfill.After addingoil, wait one minuteand then recheckthe oil level. 7. Replaceandtightendipstick. Donotoverfill.Overfillingwith oil maycausethe engine to not start, hard starting,or engine smoking.If overthe FULLmark on the dipstick,drain oil to reduceoil levelto FULL markon dipstick. Figure8 3. Beforeyouinstall the newoil filter,lightly lubricatethe oil filter gasketwith fresh,cleanoil. 4. Installthe oil filter byhand untilthe gasketcontactstheoil filter adapter,then tightenthe oil filter 1/2to 3/4 turns. 19

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ENGINE MAINTENANCE
Checking
the
Engine
Oil
Onlyuse high qualitydetergentoil ratedwith APIserviceclassification
SF,SG,SH,or SJ, Selectthe oil's SAEviscositygradeaccordingto
theexpectedoperatingtemperature.Followthechartbelow.
f_older
_
32°F
_Warmer _
Oil Viscosity
Chart
Althoughmulti-viscosityoils(5W20,10W30,etc.)improvestarting
in coldweather,theywill resultinincreasedoil consumptionwhen
usedabove32°RCheckyourengineoillevelmorefrequentlytoavoid
possibleenginedamagefromrunninglowonoil.
Tocheckthe engineoil, proceedas follows:
1.
Ensurethat the tractoris on a levelsurface.
2.
Cleantheoil fill area of anydebris.
3.
Removethedipstickandwipewithacleancloth.
4.
Insertandtightendipstick.
5.
Removethedipstickand checkthe oil level.It shouldbe at the
Fullmarkonthedipstick.SeeFigure7.
F
Dipstick
il Drain
Hose
OilDrain
Valve
Figure7
6.
If low,add oil slowlyintothe engineoil fill. Do notoverfill.After
addingoil, waitoneminuteand then recheckthe oil level.
7.
Replaceandtightendipstick.
Changing
Engine
Oil
The engineoil shouldbe changedin the first 5 hoursand thenevery
50 hoursoronce a season.Tochangethe engineoil, proceedas
follows:
1.
WithengineOFFbutstillwarm,disconnectsparkplugwireand
keepit awayfromsparkplug.
2.
Popoff the protectivecap on theendof the oil drainvalveto
exposethedrainport.SeeFigure7.
3.
Removethe oilfill cap/dipstickfromtheoil fill tube.SeeFigure7.
4.
Pushthe oil drainhose(packedwiththis manual)ontothe oil
drain port. Routethe oppositeend of the hoseintoan appropriate
oil collectioncontainerwitha capacitygreatenoughto collectthe
usedoil.
5.
Releasethevalvebytwistingandpullingthevalveout.Theoilwill
beginto drain outof the engine.
6.
After the oil hasfinisheddraining,pressthe two tabs inwardand
pushthe oil drainvalve back in to lock the valveclosed. Remove
the hose,twist and pushin to lock valve,and re-capthe end of
the oil drainvalve to keepdebrisfromenteringthe drain port.
7.
Refillthe enginewith newmotoroil untilthe oil levelon the
dipstick readsFULL.Replacetheoil fill cap/dipstick.
Usedoil is a hazardouswasteproduct.Disposeof usedoil properly.
IDonotdiscardwithhouseholdwaste.Checkwithyourlocalauthori-
[tiesor SearsServiceCenterfor safe disposal/recycling
facilities.
Changing
the
Oil
Filter
1.
Drainthe oil fromthe engineas describedabove.
2.
Removetheoilfilteranddis
ure8.
Oil
Filter
Donotoverfill.Overfillingwith oil maycausethe engine to not start,
hardstarting,orenginesmoking.IfovertheFULLmarkonthe
dipstick,drain oil to reduceoil levelto FULL markon dipstick.
19
Figure8
3.
Beforeyouinstallthenewoilfilter,lightlylubricatetheoilfilter
gasketwithfresh,cleanoil.
4.
Installthe oil filter byhand untilthe gasketcontactstheoil filter
adapter,then tightenthe oilfilter 1/2to 3/4 turns.