Toro 30674 - Adjusting the Mower Belt Tension

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AdjustingtheMowerBelt

Tension

AdjustingtheTensionfor32inand36in

MowerDecks

ServiceInterval:Aftertherst8hours—Checkthemower

belttension.

Aftertherst25hours—Checkthemowerbelt

tension.

Every50hours—Checkthemowerbelttension.

Important:Thebrakeneedstobeadjustedwhenthe

belttensionorthebrakelinkageisadjusted.

Important:Thebeltmustbetightenoughtonotslip

duringheavyloadswhilecuttinggrass.Overtensioning

thebeltwillreducethespindlebearinglife,thebeltlife

andtheidlerpulleylife.

Thebeltmustbetightenoughsoitdoesnotslipduringheavy

loadswhilecuttinggrassandover-tensioningwillreducebelt

andspindlebearinglife.

1.Disengagethebladecontrol(PTO)leverandsetthe

parkingbrakes.

2.Stoptheengineandwaitforallmovingpartstostop

beforeleavingtheoperatingposition.

3.Loosenthelocknutontheturnbuckle(Figure45).

4.Rotatetheturnbuckletowardtherearofthemowerto

increasethetensiononthebelt.Rotatetheturnbuckle

towardthefrontofthemowertodecreasethetension

onthebelt(Figure45).

Note:Theeyeboltthreadsonbothendsofthe

turnbuckleshouldbeengagedaminimumof8mm

(5/16inch).

5.Engagethebladedcontrollever(PTO)andcheckthe

belttension.Adjusttensionuntilitiscorrect.

Note:Thepropermowerbelttensionis44-67N-m

(10-15ft-lb)withthebeltdeected13mm(1/2inch)

halfwaybetweenthepulleys(Figure45).

Figure45

32inand36inMowerDeck

1.Mowerbeltwith13mm

(1/2inch)deection

2.Idlerpulley

6.Tightenthelocknutontheturnbuckle.

7.Checkthebladebrakeadjustment;refertoAdjusting

theBladeBrake.

AdjustingtheTensionfor48inMower

Decks