Operator's Manual

ManualsBrandsToro ManualsRiding ProductsGroundsmaster 3310 All-Wheel Drive Traction Unit

16

AdjustingtheWeight

TransferoftheAttachment

NoPartsRequired

Procedure

Performthisprocedureonlyifyouareinstalling

anattachmentotherthanthestandardrotary

cuttingunits(e.g.,snowthrower,blade,orail).

Youcanchangethehydraulicpressureusedto

transfertheweightoftheattachmenttothetraction

unitbyadjustingtheweight-transfervalveofthe

hydraulicmanifold.Forbestperformance,adjustthe

weight-transfervalvesothatanybouncingmotionof

theattachmentisminimaloveruneventerrain,but

alsoadjustthevalvesothattheattachmentdoesnot

rideheavilyoveratterrainorlowertooquickly.

•Toimprovethecontour-trackingperformanceof

theattachmentasyouoperatethemachineover

uneventerrain,decreasetheweight-transfer

(hydraulic)pressureatthehydraulicmanifold.

Note:Iftheattachmentcastersortheleading

edgeofthesnowthroweroatabovetheground,

thehydraulicpressureoftheweighttransfervalve

istoohigh.

•Whenyouarecuttingatturf,whenthecutting

unitisscalpingthegrass,ifthequalityofcutis

unevenfromsidetoside,ortheleadingedgeofa

snowthrowerisscrapingtooheavily,increasethe

weight-transferpressureatthehydraulicmanifold.

Note:Increasingweight-transferpressurealso

transferstheweightfromtheattachmenttothe

wheelsofthetractionunit,therebyimprovingthe

tractionofthetractionunit.

Adjusttheweight-transferpressureasfollows:

1.Operatethemachinefor10minutes.

Note:Thiswillwarmthehydraulicuid.

2.Parkthemachineonalevelsurface,lowerthe

attachment,engagetheparkingbrake,shutoff

theengine,andremovethekeyfromtheswitch.

3.Locatetheliftmanifoldfromunderthemachine

(Figure20).

g299920

Figure20

4.Connectapressuregaugetothetestport

(labeledG1;refertoFigure21).

g299924

Figure21

1.Hydraulicmanifold3.Testport(G1)

2.Weight-transferspool(LC)

5.Atthesideoftheliftmanifold,removethecap

fromthetestport(labeledG1;refertoFigure

21).

6.Loosenthejamnutattheendofthe

weight-transferspool(labeledLC;refertoFigure

21).

7.Starttheengine,setthethrottletoHIGHIDLE.

8.Useahex-socketwrenchtoadjustthe

counterbalancevalveoftheweight-transfer

spooluntilthegaugeindicatesthedesired

pressure;refertothefollowingtablefor

23