Toro Groundsmaster 4300-D - Servicing the Steering Cylinder

ServicingtheSteeringCylinder
g193734
Figure121
1.Dustseal7.Rollpin13.Rearheadseal
2.Frontheadseal
8.Rearshaft(1.250inches)
14.Piston
3.Barrel
9.RearheadO-ring/backupring
15.Pistonseal
4.Frontshaft(1inch)10.Rearhead(1.250inches)16.FrontheadO-ring/backupring
5.Wearring
11.Externalcollar(2each)17.Fronthead(1inch)
6.O-ring
12.Dustseal
DisassemblingtheSteeringCylinder
1.Slowlypumpthecylindershafttoremovethehydraulicuidfromthesteering
cylinderintoadrainpan.Plugboththeportsandcleantheoutersurfaceof
thecylinder.
IMPORTANT
Whenyouclampthesteeringcylinderinavise,clampthebarrel
clevisonlytopreventdamage.Donotclosetheviseonthebarrel.
2.Mountthesteeringcylindersecurelyinavisebyclampingonthebarrel
clevis.Useaviseequippedwithsoftjaws.
3.Useaspannerwrenchtoloosenandremovetheexternalcollarsfromboth
endsofthebarrel.
4.Useatwistingandpullingmotiontocarefullyextracttherearheadfromthe
barrelandrearshaft.
HydraulicSystem:ServiceandRepairs
Page4–158
Groundsmaster
®
4300-D
16226SLRevC