Checkingspark Plug - Craftsman 247.881701 Operator's Manual

Used oil isahazardouswaste product. Dispose o f used oil properly. Donot
discardwith household waste. Check with your localauthorities or Sears
Service Centerfor safedisposal/recyclingfacilities.
5. Reinstall the drainplugandtightenit securely.
6. Refillwith the recommended o il andcheck the oil level.SeeRecommended
Oil Usage chart.Theengine's oil capacityis20ounces.
i i
Synthetic
(oF)-40o-20 o 0o 200 400
(oc) -30° -20° -10° 0°
DONOT usenon-detergent oil or 2-strokeengine oil. It could shorten the
engine'sservicelife.
7. Reinstall the oil filler cap/dipstick securely.
Thoroughly w ashyour hands with soapandwater assoonas
possibleafter handling usedoil.
CheckingSpark Plug
DONOT checkfor sparkwith sparkplug removed. DONOT crankenginewith
sparkplug removed.
If the engine hasbeenrunning,the muffler will beveryhot.Becareful not to
touchthe muffler.
NOTE: C heck the sparkplugonceaseason or every25 hours of operation. C hange
the sparkplugonceaseason or every100hours.
Toensureproperengineoperation, t hesparkplugmustbeproperlygapped and
freeofdeposits.
1. Remove t he sparkplugbootandusea sparkplugwrenchto remove the
plug.SeeFigure13.
2. Visually inspectthe sparkplug.Discard the sparkplugif thereisapparent
wear, o r if the insulatoriscracked or chipped.Clean the sparkplugwith a
wirebrushif it isto be reused.
3.
Measure the pluggapwith afeelergauge. C orrect asnecessary b ybending
sideelectrode. S eeFigure 14.Thegapshouldbesetto .02-.03 inches (0.60-
0.80mm).
4. Check thatthe sparkplugwasher isin goodconditionandthreadthe spark
plug inbyhandto preventcross-threading.
5. Afterthe sparkplug isseated, t ightenwith asparkplugwrenchto compress
the washer.
16
Oil Drain
Plug
Figure12
SparkPlug
Spark Plug Boot
Figure13
Electrode
___,. ___ .02-.03 in.
(0.60-0.80 ram)
Figure14