Service Manual

ServicingtheRearRollerBrush(withorwithoutauniversalgroomer)(continued)
K.Restthehandleoftheprybaragainstthefrontroller.Usethelarge
hex(1.375inch)andtightenthedriveshaftfrom135to150N·m(100
to110ft-lb).
4.Forunitswithoutauniversalgroomer,installthecounterweight.
Note:Thescrewusedtosecuretheadapterhousinghasalockingfeature
topreventthescrewfromloosening.Iftheoriginalscrewisbeingre-used,
applyamediumstrengththreadlocker(Loctite#242orequivalent).
5.InstallandapplyalightcoatingofgreasetoanewO-ringandinstallthe
adapterhousing(machineswithoutauniversalgroomer).
6.InstallthedrivehousingandLHbearingbracket.
7.ApplyathincoatingofgreasetotheO-ringsonthebrushshaftandttheRH
bearingbracketoverthebrushshaft.
Note:Installallockedsealswiththeockedsurfaceagainstthebearing.
8.Installaockedsealandtheretainingringontothebrushshaft.
9.InstallthebrushandRHbearingbracketassembly.
10.Installthedrivepulley.
IMPORTANT
Thebrushdrivebeltmayfailprematurelyifthepulleysarenot
properlyaligned.
11.Usingastraightedge,determinethenumberofspacersnecessaryunderthe
drivenpulleytoalignthepulleys.Tightenthelocknutsecuringthedriven
pulleyfrom20to26N∙m(15to19ft-lb).
g230472
Figure140
(shownwithUniversalGroomerinstalled)
12.Installandadjustthedrivebeltandinstallthecover.
DPACuttingUnits:ServiceandRepairs
Page7–44
Greensmaster3120
17230SLRevD