BrakeMaintenance
AdjustingtheServiceBrakes
Adjusttheservicebrakeswhenthereismorethan1inch
(25mm)of“freetravel”ofthebrakepedal,orwhenthe
brakesdonotworkeffectively.Freetravelisthedistance
thebrakepedalmovesbeforebrakingresistanceisfelt.
1.Disengagethelockinglatchfromthebrakepedalsso
thatbothpedalsworkindependentlyofeachother.
2.Toreducefreetravelofthebrakepedals,tighten
thebrakes:
A.Loosenthefrontnutonthethreadedendofthe
brakecable.
B.Tightentherearnuttomovethecablebackward
untilthebrakepedalshave1/2to1inch(13to
25mm)offreetravel.
C.Tightenthefrontnutsafterthebrakesare
adjustedcorrectly.
BeltMaintenance
ServicingtheAlternatorBelt
ServiceInterval:Aftertherst10hours
Every100hours
Checktheconditionandtensionofthebelts(Figure62)
afterevery100operatinghours.
1.Propertensionwillallow3/8inch(10mm)
deectionwhenaforceof10lbisappliedonthe
beltmidwaybetweenthepulleys.
2.Ifthedeectionisnot3/8inch(10mm),loosen
thealternatormountingbolts(Figure62).Increase
ordecreasethealternatorbelttensionandtighten
thebolts.Checkthedeectionofthebeltagainto
ensurethatthetensioniscorrect.
Figure62
1.Alternator2.Mountingbolt
Re-tensioningtheBladeDrive
Belts
ServiceInterval:Aftertherst10hours
Every50hours
Checktheconditionandtensionofthecuttingunitdrive
beltsinitiallyafter8hoursofoperationandevery50
operatinghoursthereafter.
Whenproperlytensioned,theextensionspring(hook
tohook)measurementshouldbeapproximately3.50
±.25inch(inside).Oncethecorrectspringtensionis
attained,adjustthestopbolt(carriagebolt)untilthereis
approximately.125+.060/-.000inchclearancebetween
theheadoftheboltandtheidlerarm(Figure63).
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