Toro 74933 - Page 57

g010870
Figure68
1.Brake-mountingbolt
B.Usingneedle-nosepliers,orbyhand,hold
thetabandremovetheshim(Figure69).
Note:Donotdiscardtheshimuntilproper
clutchfunctionhasbeenconrmed.
g010871
Figure69
1.Shim
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthe
brakespacers.
D.Torqueeachbolt(M6x1)to13N∙m(10
ft-lb)+/-0.7N∙m(0.5ft-lb).
E.Usinga0.25mm(0.01inch)thickfeeler
gauge,verifythatagapispresentbetween
therotorandthearmaturefaceonboth
sidesofthebrakepoleasshowninFigure
70andFigure71.
Note:Duetothewaytherotorandthe
armaturefaceswear(peaksandvalleys)it
issometimesdifculttomeasurethegap
accurately.
g010872
Figure70
1.Feelergauge
g010873
Figure71
1.Feelergauge
•Ifthegapislessthan0.25mm(0.01
inch),theninstalltheshim;referto
Troubleshooting(page76).
•Ifthegapissufcient,proceedtothe
safetycheckinstepF.
F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.Makesurethatthebladesdonot
engagewiththeblade-controlswitch
(PTO)intheOFFposition,andthat
theclutchisdisengaged.
Iftheclutchdoesnotdisengage,
installtheshimagain;referto
Troubleshooting(page76).
iii.Engageanddisengagethe
blade-controlswitch(PTO)10
consecutivetimestoensurethatthe
clutchisfunctioningproperly.
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