Maintaining Your Lawn Tractor; Changing Engine Oil; Air Cleaner; Lubrication - Yard-Man 771 Operator's Manual

WARNING
any maintenance or
repairs, disengage
PTO, move shift lever
intoneutral position,
set parkingbrake, stop
engine and remove key
o preventu nintended
_tarting!
Before lubricatingi
repairing, or inspect,
ing, always disengage
PTOImove shift lever
into neutral position,
set
parking brake, stop
engine and r emove key
to prevent unintended
startingl
NOTE:Depending on
the engine model found
Onyour tractorl itmay
be necessary to remove
the tractor!s side panel
in OrdertO replace the
oil filter (if so equipped):
Figure 20
,_ WARNING: Before performing
any maintenance or repairs,
disengage PTO, move shift lever
into neutral position, set parking
brake, stop engine and remove
key to prevent unintended
starting.
Engine
Refer to the Engine Operator/Owner Manualfor
engine maintenance instructions.
Checkengine oil levelbeforeeachuseas instructed
inthe EngineOperator/OwnerManualpackedwith your
unit. Follow the instructionscarefully.
Changing Engine Oil
NOTE:Dependingon the engine modelfoundon your
tractor,it may be necessaryto removethe tractor'sside
panelin order to replacethe oil filter (if so equipped).
Fordrainingoil from the engine'scrankcaseof select
modeltractors,a plasticoil drain sleeveis packedwith
this Operator'sManual.Todrain the oil, proceedas
follows:
1. Unscrewthe oil fill capand removethe dipstickfrom
theoil fill tube.
2. Snapthe small end of oil drain sleeveontothe oil
sump.See Figure20.
3. Removedrain plug and drain oil intoa suitable
containerwith a capacityof no less than64 oz.
4. Servicethe oil filter (if soequipped)as instructedin
the separateEngineOperator/Owner M anualpacked
with yourunit.
Performthe abovestepsin the oppositeorder afteroil has
finisheddraining.
5. Refillthe enginewith newmotoroil as instructedin the
EngineOperator/Owner M anualpackedwith your unit.
IMPORTANT: R eferto the EngineOperator/Owner
Manualpackedwith yourunit for informationregardingthe
quantityand properweight of motoroil.
Air Cleaner
Servicethe pre-cleaner, i f soequipped,and cartridge/air
cleanerelementas instructedin the EngineOperator/
OwnerManualpackedwith your unit.
Spark Plug(s)
Thespark plug(s)shouldbe cleanedand thegap reset
oncea season.Sparkplug replacementis recommended
at the startof each mowingseason.Referto the Engine
Operator/Owner M anualfor correctplug type and gap
specifications.
Lubrication
WARNING: Before lubricating,
repairing, or inspecting, always
disengage PTO, move shift lever
into neutral position, set parking
brake, stop engine and remove
key to prevent unintended start-
ing.
Engine
Lubricatethe enginewith motoroil as instructedin the
EngineOwnerManualpackedwith yourunit.
Pivot Points & Linkage
Lubricateall the pivotpoints on the drivesystem,parking
brakeand lift linkageat least oncea seasonwith lightoil.
Rear Wheels
The rearwheelsshouldbe removed from the axles once
a season.Lubricatethe axles and the rimswell with an
all-purposegreasebeforere-installing them.
Front Axles
Eachend of the tractor'sfront pivot bar may be equipped
with a greasefitting. Lubricatewith a greasegun after
every25 hoursof tractoroperation.
Cleaning the Engine And Deck
Anyfuel or oil spilledon the machineshouldbe wiped
off promptly.Do NOTallowdebristo accumulate around
the coolingfins of the engineor on any otherpart of the
machine.
IMPORTANT: T he useof a pressurewasherto cleanyour
tractoris NOT recommended. I t maycause damageto
electricalcomponents,spindles,pulleys,bearingsor the
engine.
22