Toro Z Master 74941CP - Page 44

consistently,theshimcanberemovedtoextendthe
clutchlife.
Figure63
1.Armature5.Brakespacer
2.Fieldshell6.Re-gapshim
3.Rotor7.Brakepole
4.Brakemountingbolt
RemovingtheClutchShim
1.Stoptheengine,waitforallmovingpartstostop,
andremovethekey.Engagetheparkingbrake.
Allowthemachinetocoolcompletelybeforestarting
theseinstructions.
2.Usinganaircompressor,blowoutanydebrisfrom
underthebrakepoleandaroundthebrakespacers.
Figure64
3.Checktheconditionofthewireharnessleads,
connectors,andterminals.Cleanorrepairas
necessary.
4.Verifythat12Vispresentattheclutchconnector
whenthePTOswitchisengaged.
5.Measurethegapbetweentherotorandarmature.
Ifthegapisgreaterthan.04inch(1mm),proceed
withthefollowingsteps:
A.Loosenbothbrakemountingboltsone-halfto
onefullturnasshownbelow.
Note:DoNotremovethebrakepolefromthe
eldshell/armature.Thebrakepolehasworn
tomatchthearmatureandneedstocontinueto
matchaftertheshimisremovedtoensureproper
braketorque.
Figure65
1.Brakemountingbolt
B.Usingneedlenosepliers,orbyhand,takehold
ofthetabandremovetheshim(DoNotdiscard
theshimuntilproperclutchfunctionhasbeen
conrmed).
Figure66
1.Shim
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthebrake
spacers.
D.Re-torqueeachbolt(M6x1)to10ft-lb(13N-m)
+/-0.5ft-lb(0.7N-m).
E.Usinga0.010inchthickfeelergauge,verifythat
agapispresentbetweentherotorandarmature
faceonbothsidesofthebrakepoleasshown.
(Duetothewaytherotorandarmaturefaces
wear(peaksandvalleys)itissometimesdifcult
tomeasurethetruegap.)
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