Toro 74268 - Brake Maintenance; Adjusting the Parking Brake

BrakeMaintenance
AdjustingtheParkingBrake
ServiceInterval:Every25hours—Greasethebrake
lever.
Every200hours—Greasethebrake
pivot.
1.Disengagethebrakelever(leverdown).
2.Measurethelengthofthespring.Themeasurement
shouldbe2-3/4inch(70mm)betweenthewashers
(
Figure63).
3.Ifanadjustmentisnecessary,loosenthejamnut
belowthespringandtightenthenutdirectlybelow
theyoke(Figure63).Turnthenutuntilthecorrect
measurementisobtained.Tightenthetwonuts
togetherandrepeatontheoppositesideoftheunit.
4.Turnthenutsclockwisetoshortenthespringlength
andcounterclockwisetolengthenthespring.
5.Engagetheparkingbrake,leverup.
6.Measurethedistancebetweenthespringbracket
andtheadjustingnutunderspringbracket.The
measurementshouldbe1/4-5/16inch(5-8mm)
(
Figure63).
7.Ifanadjustmentisnecessary,loosenthejamnut
directlyabovethetrunionroller.Turnthelock
nutbelowthetrunionrolleruntilthecorrect
measurementisobtained(
Figure63).
8.Tightenthejamnutdirectlyabovethetrunionroller
(Figure63).
Note:Ifthe1/4-5/16inch(5-8mm)cannotbe
achieved,removeapinfromeitheryokeattheends
ofthebrakerod.Adjustthelengthoftherodso
1/4-5/16inch(5-8mm)canbeachievedandinstall
thebrakerod.
Figure63
1.Brakelever-engaged
7.1/4-5/16inch(5-8mm)
2.Brakelever-disengaged
8.Springbracket
3.Spring,2-3/4inch(70mm)
9.Locknutbelowtrunion
roller
4.Jamnutabovetrunion
roller
10.Brakerod
5.Nutbelowspringbracket11.Yoke
6.Trunionroller
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