Maintenance
3.Checktheconditionofthewireharnessleads,
connectors,andterminals.Cleanorrepairas
necessary.
4.Verifythat12Vispresentattheclutchconnector
whenthePTOswitchisengaged.
5.Measurethegapbetweentherotorandarmature.
Ifthegapisgreaterthan.04inch(1mm),proceed
withthefollowingsteps:
A.Loosenbothbrakemountingboltsone-half
toonefullturnasshownbelow .
Note:DoNotremovethebrakepolefrom
theeldshell/armature.Thebrakepolehas
worntomatchthearmatureandneedsto
continuetomatchaftertheshimisremoved
toensureproperbraketorque.
Figure20
1.Brakemountingbolt
B.Usingneedlenosepliers,orbyhand,take
holdofthetabandremovetheshim(DoNot
discardtheshimuntilproperclutchfunction
hasbeenconrmed).
Figure21
1.Shim
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthe
brakespacers.
D.Re-torqueeachbolt(M6x1)to10ft-lb(13
N-m)+/-0.5ft-lb(0.7N-m).
E.Usinga0.010inchthickfeelergauge,verify
thatagapispresentbetweentherotorand
armaturefaceonbothsidesofthebrakepole
asshown.(Duetothewaytherotorand
armaturefaceswear(peaksandvalleys)itis
sometimesdifculttomeasurethetruegap.)
Figure22
1.Feelergauge
Figure23
1.Feelergauge
•Ifthegapislessthan0.010inch,then
reinstalltheshimandreferencethe
Troubleshootingsection.
•Ifthegapissufcient,proceedtothe
safetycheckinstepF.
F.Performthefollowingsafetycheck:
a.Sitontheseatandstarttheengine.
b.MakesurethebladesDoNotengage
withthePTOswitch“off”andtheclutch
disengaged.
36