Toro Z Master Professional 3000 Series - Clutch Shim Procedures

g001297
Figure66
1.Springwashers
3.Dustcap
2.Locknut
UsingtheClutchShim
Somelatermodelyearunitshavebeenbuiltwith
clutchesthatcontainabrakeshim.Whentheclutch
brakehasworntothepointwheretheclutchnolonger
engagesconsistently,theshimcanberemovedto
extendtheclutchlife.
g010869
Figure67
1.Armature5.Brakespacer
2.Fieldshell6.Re-gapshim
3.Rotor7.Brakepole
4.Brake-mountingbolt
RemovingtheClutchShim
1.Shutofftheengine,waitforallmovingpartsto
stop,removethekey,engagetheparkingbrake,
andallowthemachinetocoolcompletelybefore
startingtheseinstructions.
2.Usinganaircompressor,blowoutanydebris
fromunderthebrakepoleandaroundthebrake
spacers(Figure68).
g010868
Figure68
3.Checktheconditionofthewire-harnessleads,
connectors,andterminals.
Note:Cleanorrepairasnecessary.
4.Verifythat12Vispresentattheclutchconnector
whentheblade-controlswitch(PTO)switchis
engaged.
5.Measurethegapbetweentherotorand
armature.Ifthegapisgreaterthan1mm(0.04
inch),proceedwiththefollowingsteps:
A.Loosenbothbrake-mountingbolts1/2to1
fullturnasshowninFigure69.
Note:Donotremovethebrakepolefrom
theeldshell/armature.Thebrakepolehas
worntomatchthearmatureandneedsto
continuetomatchaftertheshimisremoved
toensureproperbraketorque.
g010870
Figure69
1.Brake-mountingbolt
48