Craftsman 247.77588O Chipper User Manual


 
CUSTOMER RESPONSIBILITIES
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MAINTENANCE _ _ ..,P e,_P _3 =_
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Oil pivot points
0 Clean shredder _
a.
Check engine oil
,,, Change engine oil <_
Service air cleaner
ILl
Clean engine _
Reset spark plug _
Clean muffler
operatingtemperature.Refer topage 9 ofthis To Service Air Cleaner:
manualfor viscositychart. 1.
The four-cycle engineofyourchipper-shredder
willnormallyconsumesomeoil.Therefore, 2.
checkengineoillevelregularlyapproximately
averyfivehoursofoperationand beforeeach 3.
usage.
Stop engineandwait several minutesbefore
checkingoillevel.Withengineon level ground,
the oilmustbe toFULL mark ondipstick.
Change engine oilafterthefirstfivehoursof
operation,and everytwenty-fivehours
thereafter.
To Drain Oil
Drainoilwhileengine iswarm. Followthe
instructionsgivenbelow.
Remove oildrainplug.Catchoilin a suitable
container.
When engine isdrainedofall oil,replacedrain
plugsecurely.
Refillwithfreshoil. Refer toGAS AND OIL
FILL-UP section.
Replace dipstick.
Air Cleaner
The air cleanerprevents damaging dirt, dust,etc.,
from enteringthecarburetorand beingforced into
the engineand isimportanttoengine lifeand
performance.The aircleanerconsistsof a pre-
cleaner orfoam filter,and a paperfilter.
Never run the enginewithoutair cleanercompletely
assembled.
Service pre-cleaner afterevery25 hours of use,
or at leastonce a season.
Servicefilterevery 100 hoursofuse, orat least
once a season.
Service pre-cleanerand filtermoreoftenunder
dustyconditions.
Remove wingnutandcover.
Slidepre-cleanerofffilter.Cleanthe insideof
baseand coverthoroughly.
Clean pre-cleanaras follows:(See figure13.)
a. Wash inwaterand detergentsolution,and
squeeze(donottwist)untilalldirtisramoved.
b. Rinsethoroughlyinclearwater.
c. Wrap ina cleanclothandsqueeze(donot
twist) untilcompletelydry,orallowtoairdry.
d. Saturatewithengineoilandsqueeze(don't
twist) todistributeoilandremoveexcessoil.
L Base
Foam Filter --
Wing Nut--
PaperFilter
Figure 13
NOTE: If the pre-cleaner is torn ordamaged inany
way, replace it.
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