Exmark Quest SP Models 850 Manuel d'utilisateur télécharger pdf (Page 38)

Maintenance

orwhenabrakecomponenthasbeenremovedor

replaced.

1.Drivethemachineontoalevelsurface.

2.Disengagethebladecontrolswitch(PTO),move

themotioncontrolleverstotheneutrallocked

positionandsettheparkingbrake.

3.Stoptheengine,waitforallmovingpartstostop,

andremovethekey.

4.Setupthemachinetobepushedbyhand(see

DriveWheelReleaseValvesintheOperation

section).

5.Raisethebackofthemachineupandsupportthe

machinewithjackstands.

CAUTION

Raisingthemowerdeckforserviceor

maintenancerelyingsolelyonmechanical

orhydraulicjackscouldbedangerous.The

mechanicalorhydraulicjacksmaynotbe

enoughsupportormaymalfunctionallowing

theunittofall,whichcouldcauseinjury.

DoNotrelysolelyonmechanicalorhydraulic

jacksforsupport.Useadequatejackstands

orequivalentsupport.

6.Engage/disengagethebrakeandcheckeachdrive

tiretomakesureeachbrakeengages/disengages.

7.Ifadjustmentisnecessary,loosenthejamnut

fromtheyokeonthesidethatneedsadjustment.

Removethehairpinandclevispin(seeFigure29).

Figure29

1.Hairpin3.Yoke

2.Clevispin

4.Jamnut

•AdjustingtheBraketoEngage:Shortenthe

linkagebyturningtheyokeclockwise.

•AdjustingtheBraketoDisengage:

Lengthenthelinkagebyturningtheyoke

counterclockwise.

8.Reinstalltheclevispinandhairpinandtighten

downthejamnut.Repeatstep6andreadjustif

necessary.

9.Whenadjustmentiscomplete,removethejack

standsorequivalentsupportandlowerthe

machine.

10.Placethemachineintothe“operating”position.

RefertotheDriveWheelReleaseValvessection

inOperation.

MotionControlHandle

Adjustment

Adjustingtheheight:

Themotioncontrolleverscanbeadjustedhigheror

lowerformaximumoperatorcomfort.

1.Removethehardwareholdingthecontrolleverto

thecontrolarmshaft(Figure30).

Figure30

1.Bolts

4.Controlarmshaft

2.Washer

5.Slottedhole

3.Controllever

2.Movethecontrollevertothenextsetofholes.

Securetheleverwiththehardware.

3.Repeattheadjustmentfortheoppositecontrol

lever.

AdjustingtheTilt

Themotioncontrolleverscanbetiltedforeoraftfor

maximumoperatorcomfort.

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