MTD 24AA5DMK029 Operator's Manual page 21

IMPORTANT: U sedmotoroil may causeskin cancer
if repeatedly left in contactwith the skin for prolonged
periods.Althoughthis is unlikelyunlessyou handleused
oil on a dailybasis,it is still advisableto thoroughlywash
yourhandswith soapand wateras soon as possible
after handlingusedoil.
NOTE:Pleasedisposeof usedmotoroil in a mannerthat
is compatiblewith the environment. W e suggestyoutake
it in a sealedcontainerto yourlocal servicestationfor
reclamation.Donot throwit in the trash or pourit on the
ground.
Air Cleaner Service
Paperfilterscannotbe cleanedand mustbe replaced
oncea yearor every 100operatinghours; moreoften if
usedin extremelydustyconditions.
_ ARNING:Never use gasolineor low
flash pointsolventsfor cleaningthe
air cleaner element.A fire or explosion
could result.
IMPORTANT:Neverrunthe enginewithouttheair
cleaner.Rapidenginewearwill result.
1. Removethe wing boltand the air cleanercover.
Removethe elementsand separatethem. See Figure
10-2.Replacepaperelementwhendirty or damaged.
Replacefoam elementwhen damaged.
2. Tocleanfoam element,separateit from the paper
elementand washin liquiddetergentand water.Allow
to dry thoroughlybeforeusing.Do notoil the foam
element.
Spark Plug Service
A
WARNING:DO NOTcheckfor spark
with spark plugremoved. DONOT
crank enginewith spark plug removed.
PaperElement
Foam Element
Figure 10-2: S ervicing t heair cleaner.
f
Spark Plug
c
Spark Plug
Figure 10-3: Thesparkplug andboot.
Toensureproperengineoperation,the sparkplug must
be properlygappedand freeof deposits.
1. Removethe sparkplug bootand use a sparkplug
wrenchto removethe plug. See Figure10-3.
__L ARNING:if the engine hasbeen
running, the muffler will be very hot. Be
carefulnot to touch the muffler.
.
.
Visuallyinspectthe spark plug.Discardthe spark
plug if thereis apparentwear,or if the insulatoris
crackedor chipped.Cleanthe spark plugwith a wire
brushif it is to be reused.
Measurethe plug gap with a feelergauge.Correct
as necessaryby bendingsideelectrode.See Figure
10-4.Thegap shouldbe set to 0.030in.
f
Electrode
--) *--- 0.030 in.
J
Figure 10-4: M easure t hepluggapwitha feelergauge.
21
Maintaining
Your
Engine