Service Manual
PinionGeartoRingGearEngagement
TOE
HEEL
PROFILE
TOP LAND
ROOT
LENGTHWISE
BEARING
ARC
g276537
Figure290
Thenalpositionofthepiniongearisveriedbyusingthegearcontactpattern
methodasdescribedinthefollowingprocedure.
GEARTOOTHDEFINITIONS(Figure290):
Toe−theportionofthetoothsurfaceattheendtowardsthecenter.
Heel−theportionofthegeartoothattheouterend.
TopLand−topsurfaceoftooth.
1.Painttheteethoftheringgear,bothdriveandcoastside,withagearmarking
compound,suchasDyKemSteelBlue.
2.Installtheinputshaft/piniongearassemblyintoaxlecase.
More than 35% total tooth contact
1/3 to 1/2 of entire width
from small end of tooth
g276538
Figure291
Axles,PlanetariesandBrakes:ServiceandRepairs
Page7–48
Groundsmaster
®
4000-D&4010-D
13202SLRevF