
4
PreparingtheCuttingUnit
Partsneededforthisprocedure:
1Extendedsplinedinsert(right-handthreads)
1Extendedsplinedinsert(left-handthreads)
2Flangelocknut(3/8inch)—Model133-0151only
Procedure
Note:Youmaydiscardallremovedpartsunless
otherwisestated.
1.Removeallcuttingunitsfromthetractionunit;
refertoyourOperator’sManual.
2.Removethecarriageboltsandlocknuts
securingtheheight-of-cut(HOC)bracketstothe
cutting-unitsideplates(Figure2).
Note:Savethecarriageboltstoinstallthenew
height-of-cutbrackets.
g035987
Figure2
1.Height-of-cutbracket4.Screw
2.Carriagebolt5.Frontroller
3.Locknut
3.Loosenthescrewssecuringtheheight-of-cut
bracketstothefront-rollershaft(Figure2).
4.Removetheexistingheight-of-cutbracketsand
thefrontrollerfromthecutting-unitsideplates
(Figure2).
Note:Savethefrontrollerforlaterinstallation.
5.Restrainthereelforremoval;refertoRestraining
theReelforRemovingThreadedInserts(page
18).
6.Removetheexistingsplinedinsertfromeach
endofthereelshaftusingthereeldriveshaft
tool(PartNo.TOR4112forthe5-inchreeland
PartNo.TOR4074forthe7-inchreel).Refer
toFigure3.
Important:Thesplinedinsertontheleft
sideofthecuttingunithasleft-handthreads.
Thesplinedinsertontherightsideofthe
cuttingunithasright-handthreads.
Important:Cleanthethreadsintheendof
thereelshaftofanydebrisorgreasebefore
installingthekitsplinedinsertandgroomer
box.
g221766
Figure3
Rightsideofcuttingunitshown
1.Extendedsplinedinsert(Torqueto115to128N∙m(85to
95ft-lb))
2.Applymedium-strengthremovablelockingcompoundto
thethreads.
7.Restrainthereelforinstallation;referto
RestrainingtheReelforInstallingThreaded
Inserts(page19).
8.Forthereelmotorsideofthecuttingunit
only:Applymedium-strengththread-locking
compound(suchasBlueLoctite®243)tothe
threadsofthenewlongersplinedinsert,and
secureittothereelshaft.T orquetheinsertto
115to128N∙m(85to95ft-lb).
Important:Allowthethread-locking
compoundtocurefor15minutesbefore
continuingtheprocedure.
9.For7-inchcuttingunitsorifasupportrodis
installed,removethesupportrodandipthe
boltsaroundasfollows:
A.Removethe2ange-headboltssecuring
thesupportrod,andremovethesupport
rod(Figure4).
3