Toro 74923TE - Page 61

4.Verifythat12Vispresentattheclutchconnectorwhen
thePTOswitchisengaged.
5.Measurethegapbetweentherotorandarmature.If
thegapisgreaterthan1mm(0.04inch),proceedwith
thefollowingsteps:
A.Loosenbothbrakemountingboltsone-halfto
onefullturnasshowninFigure101.
Note:Donotremovethebrakepolefromthe
eldshell/armature.Thebrakepolehasworn
tomatchthearmatureandneedstocontinueto
matchaftertheshimisremovedtoensureproper
braketorque.
Figure101
1.Brakemountingbolt
B.Usingneedlenosepliers,orbyhand,takeholdof
thetabandremovetheshim.
Important:Donotdiscardtheshimuntil
properclutchfunctionhasbeenconrmed
Figure102
1.Shim
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthebrake
spacers.
D.Torqueeachbolt(M6x1)to13N-m(10ft-lb)
+/-0.7N-m(0.5ft-lb).
E.Usinga0.010inchthickfeelergauge,verifythat
agapispresentbetweentherotorandarmature
faceonbothsidesofthebrakepoleasshown.
Note:Duetothewaytherotorandarmature
faceswear(peaksandvalleys)itissometimes
difculttomeasurethetruegap.
•Ifthegapislessthan0.010inch,
theninstalltheshimandreferto
Troubleshooting(page65).
•Ifthegapissufcient,proceedtothesafety
checkinstepF.
Figure103
1.Feelergauge
Figure104
1.Feelergauge
F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.Makesurethebladesdonotengagewith
thePTOswitchintheOffpositionand
theclutchdisengaged.
Iftheclutchdoesnotdisengage,
reinstalltheshimandreferencethe
Troubleshooting(page65).
iii.EngageanddisengagethePTOswitch
tenconsecutivetimestoensuretheclutch
isfunctioningproperly.Iftheclutch
doesnotengageproperly,referencethe
Troubleshooting(page65).
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