
g218675
Figure10
1.Bolt4.Cleanoutanypaint
fromthethreadsusing
a5/16–18tapbefore
screwingintheshoulder
bolt.
2.Shoulderbolt5.Roller-brushhousing
3.Grommet6.Roller-brushpivotplate
assembly
3.Installtheleftorrightroller-brushpivotplate
(Figure10).
Note:Whenyouinserttheprotrusiononthe
pivotplateintothegrommetintheroller-brush
housing,ensurethatthegrommetstaysproperly
seatedinthehousing.Theroller-brushpivot
plateisproperlyseatedwhenthereisno
resistancefromtherubbergrommetanditpivots
freely.
Note:Ensurethattheidler-pulleyassemblyis
installedonthebottomasshowninFigure10.
4.Applythread-lockingcompoundtothe2bolts
(5/16x1/2inch)andusethemtomountthe
brushplatetotheroller-brushbearinghousing
(Figure10).
Note:T orquetheboltsto20to25N·m(15to
19ft-lb).
5.Cleanoutanypaintfromthethreadsinthe
roller-brushhousing,usinga5/16–18tap,before
screwingintheshoulderbolt(Figure10).
Important:Ifthethreadsarenotcleaned
beforetheshoulderboltisscrewedin,the
boltcouldbreak.
6.Applythread-lockingcompoundtotheshoulder
bolt(Figure10).
7.Securethebrushplatetotheroller-brush
housingwiththeshoulderbolt(Figure10).
Note:Torquetheboltto20to25N·m(15to
19ft-lb).
Note:Theshoulderboltshouldnotclampthe
platetothehousing.
8.Checktoensurethattheroller-brushplateis
paralleltothecutting-unitsideplate.Ifitisnot
parallel,proceedasfollows:
A.Loosenthe2angelocknutssecuring
theroller-brushmountingbrackettothe
cutting-unitsideplate(Figure11).
B.Rotatetheroller-brushbearinghousinguntil
thebrushplateisparalleltothecutting-unit
sideplate(Figure11).
C.Tightenthe2angelocknutssecuring
theroller-brushmountingbrackettothe
cutting-unitsideplate(Figure11).
g027194
Figure11
1.Loosentheseboltsforpositioningtherollerbrush.
2.Loosenthesenutsformakingtheroller-brushplateparallel.
PositioningtheRollerBrush
1.Loosenthe2boltssecuringeachroller-brush
bearinghousingtotheroller-brushmounting
bracket(Figure11).
Note:Theboltsshouldbeloosefromthe
factory.
2.Positiontherollerbrushsothatitisjusttouching
orrestingontherearroller(Figure12).
Important:Theroller-brushshaftmustnot
contactthecutting-unitsideplate.
Important:Heavybrushcontactonthe
rollerwillcauseprematurebrushwear.
5