Toro 04034 - Belt Maintenance; Adjusting the Belts

BeltMaintenance
AdjustingtheBelts
ServiceInterval:Every300hours—Checkthe
conditionandtensionofbelts
Ensurethatthebeltsareproperlytensionedtoensure
properoperationofthemachineandunnecessarywear.
Checkbeltsfrequently.
AdjustingtheReelDriveBelt
1.Removethebeltcovermountingfastenersandbelt
covertoexposethebelt(
Figure28).
Figure28
1.Beltcover
2.Checkthetensionbypressingthebeltatmidspan
ofthepulleys(Figure29)with4to5lbofforce.The
beltshoulddeect1/4inch.
Figure29
1.Reeldrivebelt2.Idlerpulley
3.Completethefollowingtoadjustthebelttension:
A.Loosentheidlerpulleymountingnutandpivot
theidlerpulleyclockwiseagainstthebacksideof
thebeltuntilyouattainthedesiredbelttension
(Figure29).
Important:Donotovertensionthebelt.
B.Tightenthenuttolocktheadjustment.
4.Installthebeltcoverbyplacingitinposition.
5.Whilemaintainingaslightgapbetweenthecover
sealandthesideplate,installeachmountingbolt
untilthethreadsengageintheinsert.Thegapallows
visualalignmentoftheboltstothethreadedinserts.
6.Afterallboltsareinstalled,tightenthemuntilthe
stand-offsinsidethecovercontactthesideplate.Do
notovertighten.
AdjustingtheTractionDriveBelt
1.Removethebeltcovermountingfastenersandthe
beltcovertoexposethebelt(Figure30).
Figure30
1.Tractiondrivebeltcover
2.Checkthetensionbypressingthebeltatmidspan
ofthepulleys(Figure31)with4to5lbofforce.The
beltshoulddeect1/4inch.
Figure31
1.Tractiondrivebelt2.Idlerpulley
3.Completethefollowingtoadjustthebelttension:
A.Loosentheidlerpulleymountingnutandpivot
theidlerpulleyclockwiseagainstthebacksideof
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