BleedingtheHydraulic
System
1.Raisetherearofmachineandsupportitwith
jackstands(orequivalentsupport)justhigh
enoughtoallowthedrivewheelstoturnfreely.
g017625
Figure63
1.Jackingpoints
2.Starttheengine,movethethrottlecontrolahead
tothe1/2throttleposition,anddisengagethe
parkingbrake.
A.Movethebypassleversintothepushingthe
machineposition.Withthebypassvalves
openandtheenginerunning,slowlymove
themotion-controlleversinbothforward
andreverse5or6times.
B.Movethebypassleversintotheoperating
themachineposition.
C.Withthebypassvalveclosedandthe
enginerunning,slowlymovethecontrol
leverinbothforwardandreversedirections
5to6times.
D.Shutofftheengineandchecktheuid
levelintheexpansionreservoir.Addthe
specieduiduntilitreachestheFULLCOLD
lineontheexpansionreservoir.
3.Repeatstep2untilalltheairiscompletely
purgedfromthesystem.
Note:Whenthetransaxleoperatesatnormal
noiselevels,movessmoothlyforward,and
reversesatnormalspeeds,itispurged.
4.Checktheuidlevelintheexpansionreservoir
analtime.Addthespecieduidasuntilit
reachestheFULLCOLDlineontheexpansion
reservoir.
MowerDeck
Maintenance
BladeSafety
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating
onebladecancauseotherbladestorotate.
•Replacewornordamagedbladesandboltsinsets
topreservebalance.
ServicingtheCutting
Blades
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,and
disconnectthespark-plugwiresfromthespark
plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure64).
2.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblade;refertoSharpeningthe
Blades(page53).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming
inthisarea,immediatelyinstallanewblade
(Figure64).
51