Operator's Manual
Table Of Contents
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- Adding Fuel
- Checking the Engine-oil Level
- Breaking In a New Machine
- Using the Rollover Protection System (ROPS)
- Think Safety First
- Operating the Parking Brake
- Operating the Mower Blade-control Switch (PTO)
- Operating the Throttle
- Operating the Choke
- Operating the Ignition Switch
- Using the Fuel Shutoff Valve
- Starting and Stopping the Engine
- Using the Safety-interlock System
- Driving Forward or Backward
- Stopping the Machine
- Adjusting the Height-of-Cut
- Adjusting the Anti-scalp Rollers
- Adjusting the Flow Baffle Cam Locks
- Positioning the Flow Baffle
- Positioning the Seat
- Unlatching the Seat
- Changing the Seat Suspension
- Using the Drive-wheel-release Valves
- Using the Side Discharge
- Transporting Machines
- Loading Machines
- Adding Light Oil or Spray Lubrication
- Greasing the Mower
- Lubricating the Caster-wheel Hubs
- Servicing the Air Cleaner
- Servicing the Engine Oil
- Servicing the Spark Plug
- Checking the Spark Arrester (if equipped)
- Replacing the Fuel Filter
- Servicing the Fuel Tank
- Servicing the Battery
- Servicing the Fuses
- Checking the Seat Belt
- Checking the Rollover Protection System (ROPS) Knobs
- Adjusting the Tracking
- Checking the Tire Pressure
- Checking the Wheel Lug Nuts
- Checking the Wheel Hub Slotted Nut
- Adjusting the Caster-pivot Bearing
- Using the Clutch Shim
- Cleaning the Engine Screen and Engine-oil Cooler
- Cleaning the Engine-cooling Fins and Shrouds
- Checking and Cleaning the Hydraulic-unit Shrouds
- Adjusting the Parking Brake
- Inspecting the Belts
- Replacing the Mower Belt
- Replacing the Hydraulic Pump-drive Belt
- Adjusting the Control-handle Position
- Adjusting the Motion-control Linkage
- Adjusting the Motion-control Damper
- Adjusting the Motion Control Neutral-lock Pivot
- Servicing the Hydraulic System
- Mower Deck Maintenance
- Cleaning under the Mower
- Disposing of Waste
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Figure46
1.Aircleanerclamps
3.Primaryairlter
2.Aircleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Donotcleanthepaperlter,replaceit(Figure46).
2.Inspecttheelementfortears,anoilylm,ordamageto
therubberseal.
3.Replacethepaperelementifitisdamaged.
ServicingtheSecondaryFilter
Donotcleanthesecondarylter,replaceit.
Important:Donotattempttocleanthesecondarylter.
Ifthesecondarylterisdirty,thentheprimarylteris
damagedandyoushouldreplacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,alwaysoperate
theenginewithbothairltersandthecoverinstalled.
1.Ifinstallingnewlters,checkeachlterforshipping
damage.
Note:Donotuseadamagedlter.
2.Ifthesecondarylterisbeingreplaced,carefullyslide
itintothelterbody(
Figure46).
3.Carefullyslidetheprimarylteroverthesecondary
lter(Figure46).
4.Ensurethatitisfullyseatedbypushingontheouter
rimofthelterwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
5.Installtheair-cleanercoverwiththebreathercapdown,
androtatesothattheretainingclampslockthecover
inplace(
Figure46).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSG,SH,SJ,orhigher)
OilCapacityfor74923,74925,and74927engines:witha
lterchange,2.3L(77oz);withnolterchange,2.1L(70oz)
OilCapacityfor74922,78922,and78924engines:witha
lterchange,2.1L(71oz);withnolterchange,1.8L(61oz)
Viscosity:Seethetablebelow.
Figure47
Note:Useofmulti-gradeoils(5W-20,10W-30,or10W-40)
willincreaseoilconsumption.Checktheoillevelmore
frequentlywhenusingthem.
CheckingtheEngine-oilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothing,andotherbody
partsawayfromthemuferandotherhotsurfaces.
Important:Donotoverllthecrankcasewithoil
becausedamagetotheenginemayresult.Donotrun
enginewithoilbelowtheLowmarkbecausetheengine
maybedamaged.
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position(
Figure48).
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