Toro 72946 - Removing the Clutch Shim

Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure75.
5.Installthedustcap(Figure75).
g001297
Figure75
1.Springwashers
3.Dustcap
2.Locknut
RemovingtheClutchShim
Somelatermodelyearunitshavebeenbuiltwith
clutchesthatcontainabrakeshim.Whentheclutch
brakehasworntothepointwheretheclutchnolonger
engagesconsistently,youcanremovetheshimto
extendtheclutchlife.
g010869
Figure76
1.Armature5.Brakespacer
2.Fieldshell6.Re-gapshim
3.Rotor7.Brakepole
4.Brake-mountingbolt
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Usinganaircompressor,blowoutanydebris
fromunderthebrakepoleandaroundthebrake
spacers(Figure77).
g010868
Figure77
4.Checktheconditionofthewire-harnessleads,
connectors,andterminals.
Note:Cleanorrepairasnecessary.
5.Verifythat12Vispresentattheclutchconnector
whentheblade-controlswitch(PTO)switchis
engaged.
6.Measurethegapbetweentherotorand
armature.Ifthegapisgreaterthan1mm(0.04
inch),dothefollowingsteps:
A.Loosenbothbrake-mountingbolts1/2to1
fullturnasshowninFigure78.
Note:Donotremovethebrakepolefrom
theeldshell/armature.Thebrakepole
hasworntomatchthearmatureandneeds
tocontinuetomatchafteryouremovethe
shimtoensureproperbraketorque.
g010870
Figure78
1.Brake-mountingbolt
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