Operator's Manual

5.Verifythat12Vispresentattheclutchconnector
whentheblade-controlswitch(PTO)switchis
engaged.
6.Measurethegapbetweentherotorand
armature.Ifthegapisgreaterthan1mm(0.04
inch),dothefollowingsteps:
A.Loosenbothbrake-mountingbolts1/2to1
fullturnasshowninFigure72.
Note:Donotremovethebrakepolefrom
theeldshell/armature.Thebrakepole
hasworntomatchthearmatureandneeds
tocontinuetomatchafteryouremovethe
shimtoensureproperbraketorque.
g010870
Figure72
1.Brake-mountingbolt
B.Usingneedle-nosepliers,orbyhand,hold
thetabandremovetheshim(Figure73).
Note:Donotdiscardtheshimuntilthe
clutchisfunctioningproperly.
g010871
Figure73
1.Shim
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthe
brakespacers.
D.Torqueeachbolt(M6x1)to12.3to13.7
N∙m(9.5to10.5ft-lb).
E.Usinga0.25mm(0.01inch)thickfeeler
gauge,verifythatagapispresentbetween
therotorandthearmaturefaceonboth
sidesofthebrakepoleasshowninFigure
74andFigure75.
Note:Duetothewaytherotorandthe
armaturefaceswear(peaksandvalleys)it
issometimesdifculttomeasurethegap
accurately.
g010872
Figure74
1.Feelergauge
g010873
Figure75
1.Feelergauge
•Ifthegapislessthan0.25mm(0.01
inch),theninstalltheshim;referto
UsingtheClutchShim(page51).
•Ifthegapissufcient,proceedtothe
safetycheckinstepF.
F.Performthefollowingsafetycheck:
i.Sitontheseatandstarttheengine.
ii.Makesurethatthebladesdonot
engagewiththeblade-controlswitch
(PTO)intheOFFposition,andthat
theclutchisdisengaged.
Iftheclutchdoesnotdisengage,
installtheshimagain;refertoUsing
theClutchShim(page51).
iii.Engageanddisengagethe
blade-controlswitch(PTO)10
consecutivetimestoensurethatthe
clutchisfunctioningproperly.
52