Toro Groundsmaster 4500-D Series - Page 393

Installation(Figure260)(continued)
1
2
Design
Cone Center
Distance
g276527
Figure262
1.Inputshaft/piniongear
2.Bearingcase
8.Useadepthgaugetomeasurethedistancefromtheendfaceoftheinput
shaft/piniongeartothematingsurfaceofthebearingcase.Subtractthe
“DesignConeCenterDistance”fromthisdistancetodetermineinitialshim
thickness(Figure262).
DESIGNCONECENTERDISTANCE(distancefrommatingsurfaceofaxle
supporttoendfaceofpiniongear):47.5+0.05mm(1.870+0.002in).
Note:Bearingcaseshimsareavailablein0.1mm(0.004in)and0.2mm
(0.008in)thickness.
9.CoatnewO-ringswithgreaseandinstallthebearingcaseinthegearcase.
Placeshimsonthegearcaseandtemporarilyinstallgearcaseassembly
intoaxlecase.Tightenmountingnutsandscrewsfrom47to56N·m(35
to41ft-lb).
1
2
3
4
g276528
Figure263
1.Axlecase3.Dialindicator
2.Screwdriver4.Inputshaft/piniongear
10.Insertascrewdriverthroughthedrainplugholetoholdringgearand
measurethepiniongeartoringgearbacklash(Figure263).
PINIONGEARTORINGGEARBACKLASH:0.10to0.40mm(0.004to
0.016in)
11.Adjustbacklashbyincreasingorreducinggearcaseshimthickness.
12.Checkpiniongeartoringgearengagement(seePinionGeartoRingGear
Engagement(page7–43)).
Groundsmaster
®
4500-D/4700-D
Page7–35
Axles,PlanetariesandBrakes:ServiceandRepairs
19245SLRevA