Loading ...
Loading ...
Loading ...
Servicing the Air Cleaner
Do notuse pressurizedair or solventsto cleanthe aircleaner
cartridge.
Theair cleanerpreventsdamagingdirt, dust,etc.,fromenteringthe
carburetorand beingforcedintothe engineandis importantto engine
life andperformance.Theair cleanerconsistsof a pleatedfilter. Never
runthe enginewithoutan aircleanercompletelyassembled.
Cleanor replacetheair cleanerevery25hoursof operation.
1. Loosenscrewand tilt plastichousingcoveron sideof engine
down.SeeFigure18.
2. Removeair filter from plastichousingcover and replacewith
cleanor newfilter.
3. insert cover'stabsinto slotsin bottomof base.
4. Tilt cover up into placeand tighten screw.
NOTE:Ifthe filteris torn ordamagedin anyway,replaceit.
Checking Engine Oil
1. Stopengineand wait severalminutesbeforecheckingoil level.
Withengineonlevelground,the oil mustbeto FULLmarkon
dipstick.
2. Removeoil fill dipstickand wipeclean with cloth.
3. Replaceandtightendipstick.Removeandcheckoil level.Level
shouldbeat FULLmark.
4. If needed,add oil slowly- recheck.Do notoverfill.
5. Wipedipstickclean, replaceand tighten.Removeandcheckoil
level.Oil levelshouldbe at FULLlineondipstick.
Donotoverfil.Overfillingwith oil maycause theengineto not start,or
hardstarting.If overthe FULLmarkon thedipstick,drainoilto reduce
oil levelto FULLmarkondipstick.
f
x \
\
©
Figure18
J
Usedoil is a hazardouswasteproduct.Disposeof usedoil properly.
IDo notdiscardwithhouseholdwaste.Checkwithyour localauthori-
_tiesor SearsService Centerfor safedisposal/recyclingfacilities.
5. Whenengineis drainedof all oil, placeenginelevel. Refillwith
approximately18oz. of fresh oil. Fillto FULLline on dipstick.Do
notoverfill.Referto Gas And Oil Fill-Up in OPERATIONsection.
6. Replaceoil fill dipstickandtighten.
7. Replacesparkplugwire beforestarting.
Temperatureof mufflerandnearbyareasmayexceed150° F (65°C).
Avoidtheseareas.
Changing Engine Oil
• Onlyuse high qualitydetergentoil ratedwithAPIservice
classificationSF,SG, orSH.Selecttheoil's SAEviscositygrade
accordingto the expectedoperatingtemperature.Referto Opera-
tion sectionfor viscositychart.
• Changeengineoil afterthe first five to eighthoursof operation,
andeveryfifty hoursoreveryseasonthereafter.Changeoil every
twentyfivehourswhenoperatingengineunderheavyloadorin
hightemperatures.
To Drain Oil
1. Drainthe fuelfrom the tank by runningthe engineuntil thefuel
tankis empty.
2. Disconnectsparkplug wireand keepit away fromspark plug.
3. With engineOFF butstill warm removeoil fill dipstick.
4. Tip uniton its side (sparkplug side up) to drain throughthe oil fill
tubeinto appropriatereceptacle.
Servicing Muffler
• inspectmufflerperiodically,and replaceif necessary.Replace-
mentpartsfor the mufflermustbe the sameandinstalledinthe
samepositionas theoriginalparts,otherwisefirecan occur.
Cleaning Engine
• Dailyor beforeevery use,cleangrass,chaff or accumulated
debrisfromengine.Keeplinkage,spring,andcontrolsclean.
Keepareaaroundand behindmufflerfree of anycombustible
debris.
• Keepingenginecleanallowsair movementaroundengine.
• Enginepartsshouldbekeptcleanto reducethe riskof over-
heatingandignitionof accumulateddebris. This isespecially
importantifcuttingtallgrass.
Donot usewaterto cleanengineparts.Watercouldcontaminatefuel
system.Usea brushor dry cloth.
17
Loading ...
Loading ...
Loading ...