Maintenance - MTD 070 Series Operator's Manual

Maintenance
i_i ii i ii _i i i i i _i
Wedo not i
the use of pressure
Washersor garden
hose tO clean your
unit. These maycause
damageto electrical
compOnents;spindles;
pulley& bearings;or
the engine: The use
of water will resultin
shortened ife and
i
reduce serviceability:
i
\
Lubricate these
points before
J
Figure 11
General Recommendations
.
2.
Alwaysobservesafetyruleswhenperforming
anymaintenance.
Thewarrantyon this lawnmowerdoesnot cover
itemsthat havebeensubjectedto operatorabuse
or negligence. T o receivefull valuefrom warranty,
operatormustmaintainthe lawnmoweras
instructedhere.
3. Changingof engine-governed speedwill void
enginewarranty.
4. All adjustmentsshouldbe checkedat leastonce
eachseason.
5. Periodically checkall fastenersand makesurethese
are tight.
Lubrication
1. Lubricatethe pivot pointson the blade controlhandle
at least oncea seasonwith lightoil. The blade
controlmustoperatefreely in bothdirections.See
Figure11.
2. If yourmoweris equippedwith ball bearingwheels,
lubricateat leastonce a seasonwith a light oil, all
othertypes requireno lubrication.However, i f the
wheelsare removedfor any reason,lubricatethe
surfaceof the axle bolt and the innersurfaceof the
wheelwith lightautomotiveoil.
3. Lubricatethe torsionspringand pivot pointperiodi-
cally with lightoil to preventrust.See Figure11.
4. Followthe accompanying engine manualfor lubrica-
tion scheduleand instruction.
.
2.
Engine
Referto the separateengine manualfor engine
maintenanceinstructions.
.
.
Maintainengineoil as instructedin the separate
enginemanualpackedwith yourunit. Readand follow
instructionscarefully.
Undernormalconditionsserviceair cleaneras
instructedin the separateengine manualpackedwith
yourunit. Cleanevery few hoursunderextremely
dustyconditions. Poorengineperformanceand
floodingusuallyindicatesthat the air cleanershouldbe
serviced.
Thespark plug shouldbe cleanedand the gap reset
oncea season. Sparkplug replacement i s recom-
mendedat the startof each mowingseason;check
enginemanualfor correctplug type and gap specifica-
tions.
NOTE:This spark ignitionsystemmeetsall require-
mentsof the CanadianInterference-Causing E quipment
Regulations.
5. Cleantheengine regularlywith a cloth or brush.
Keepthe coolingsystem(blowerhousingarea) clean
to permitproperair circulationwhich is essentialto
engineperformanceand life. Be certain to removeall
grass,dirt and combustible debrisfrom mufflerarea.
Deck
Theundersideof the mowerdeck shouldbe cleanedafter
eachuseto preventa buildupof grass clippings,leaves,
dirt or other matter.If this debrisis allowedto accumulate,
it will invite rust and corrosion,and maypreventproper
mulching.
Thedeck may be cleanedbytilting the mowerand scrap-
ing cleanwith a suitabletool (makecertainthe spark plug
wireis disconnected).
Blade Care
__1 ARNING: When removing the
cutting blade for sharpening or
replacement, protect your hands
with a pair of heavy gloves or use
a heavy rag to hold the blade.
Periodicallyinspect t he bladeadapterforcracks,especial-
ly ifyou strikea foreignobject.Replacewhennecessary.
Followthe stepsbelowfor blade service:
1. Disconnectspark plug wirefrom sparkplug.
2. Tip moweras specifiedinseparateenginemanual.If
itdoes notspecify turnmoweron itsside makingsure
that the air filter and the carburetorare up.
3. Removethebolt and the blade bell supportwhich
hold the bladeand the bladeadapterto the engine
crankshaft.See Figure12.
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