Operator's Manual

CheckingthePulleysandDriveBelts
1.Removethebeltguard;referto
RemovingtheBeltGuard(page33).
2.Checkthatthearborpulleyiscenteredinthe
openinginthebaseofthemachine.Ifthe
arborpulleyismisaligned,refertostep3in
AligningthePulleys(page36)(Figure49).
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Figure49
PulleyAlignment
1.Unequalspacingdistance5.Equalspacingdistance
2.Misalignedarborpulley6.Alignedarborpulley
3.Misaligneddrivebelts7.Aligneddrivebelts
4.Misaligneddrive-shaft
pulley
8.Aligneddrive-shaftpulley
3.Checkpulleyalignmentbylookingatthesidesof
thebelts,eachshouldruninastraightlineoverand
betweeneachpulley(Figure49).Ifthebeltsand
pulleysaremisaligned,alignthepulleys;referto
AligningthePulleys(page36).
Note:Drivebeltmisalignmentisanindicationofa
pulley(s)thatarenotsecuretothearbororthedrive
shaftoftheengineorboth.
4.Checkthatthepulleysaresecureasfollows:
Note:Usemoderateforcewhencheckingthesecurity
ofthepulleys.Belttensionmayneedtobereduced
tocheckforaloosepulley.
A.Checkthatthedrive-shaftpulleyissecuretothe
engineshaftbygraspingthepulleyandpushit
towardtheengineandawayfromtheengine.If
thepulleyislooseonthedriveshaftoftheengine,
alignandsecurethepulley;refertostep5in
AligningthePulleys(page36).
B.Checkthatthearborpulleyissecuretothe
arborbypryingbetweentheopeninginthe
baseandendsofpulleywithascrewdriver
(Figure50).Ifthepulleyislooseonthearbor,
alignandsecurethepulley;refertostep3in
AligningthePulleys(page36).
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Figure50
LowerPulleyCheck
1.Lowerpulley
2.Openinginthebase
5.Checkthetensionofthedrivebeltsbydoingthe
following:
Note:Thebestdrivebelttensionforthemachineis
thelowesttensionatwhichthebeltswillnotslipunder
fullload.
A.Layastraightedgeoneachbeltandacrossthe
driveshaftandarborpulleys(Figure51).
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