Operator's Manual

ControlsSystem
Maintenance
AdjustingtheCuttingUnit
Lift/Drop
Thecuttingunitlift/dropcircuitisequippedwitha
owcontrolvalve(Figure49).Thisvalveispreset
atthefactorybutanadjustmentmayberequiredto
compensatefordifferencesinhydraulicoiltemperatures,
mowingspeeds,attachments,etc.Ifanadjustmentis
required,proceedasfollows:
Note:Allowthehydraulicoiltoreachfulloperating
temperaturebeforeadjustingtheowcontrolvalve.
1.Raisetheseatandlocatetheowcontrolvalvefor
thecenterpullframe(
Figure49)whichislocatedon
thesideofthehydraulicmanifold.
2.Loosenthejamnutontheowcontrolvalve.
3.Rotatetheknob1/16turncounterclockwiseifthe
centercuttingunitisdroppingtoolateor1/16turn
clockwiseifthecentercuttingunitisdroppingtoo
early.
4.Afterthedesiredsettinghasbeenachieved,tighten
thejamnut.
Figure49
1.Flowcontrolvalve
BacklappingtheReels
WARNING
Contactwiththereelsorothermovingpartscan
resultinpersonalinjury.
•Keepngers,hands,andclothingawayfromthe
reelsorothermovingparts.
•Neverattempttoturnthereelsbyhandorfoot
whiletheengineisrunning.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengine,engagetheparking
brake.
2.Unlockandraisetheseattoexposethecontrols.
3.Makeinitialreeltobedknifeadjustmentsappropriate
forbacklappingonallcuttingunitswhicharetobe
backlapped;refertotheCuttingUnitOperator’sManual.
DANGER
Changingtheenginespeedwhilebacklapping
maycausethereelstostall.
•Neverchangetheenginespeedwhile
backlapping.
•Onlybacklapatidleenginespeed.
4.Starttheengineandrunatlowidlespeed.
5.RotatetheBacklapLevertothe“R”position
(Figure50).
Figure50
1.Backlaplever2.Reelspeedcontrol
6.RotatetheReelSpeedControltosetting1
(Figure50).
7.Withthefunctionalcontrolleverintheneutral
position,movetheRaise/LowerMowcontrol
forwardtostartthebacklappingoperationonthe
designatedreels.
8.Applylappingcompoundwithalonghandlebrush.
Neveruseashorthandledbrush.
44