Toro Groundsmaster 3280-D - Servicing the Steering Cylinder (2-Wheel Drive)

ServicingtheSteeringCylinder(2-WheelDrive)
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Figure99
1.Barrel5.Internalcollar
9.BSseal
2.BPseal
6.Shaft
10.Back-upwasher
3.Piston7.Dustseal
11.O-ring
4.O-ring
8.Head12.Locknut
DisassemblingtheSteeringCylinder(2-WheelDrive)
1.Slowlypumpthecylindershafttoremovethehydraulicuidfromthesteering
cylinderintoadrainpan.Plugboththeportsandcleantheoutersurfaceof
thecylinder.
IMPORTANT
Whenyouclampthesteeringcylinderinavise,clampthepivotend
onlytopreventdamage.Donotclosetheviseonthebarrel.
2.Mountthesteeringcylindersecurelyinavisebyclampingonthepivotend
sothattheshaftendtiltsupslightly.Useaviseequippedwithsoftjaws.
3.Useaspannerwrenchtoloosenandremovetheinternalcollar(item5in
Figure99)fromthebarrel.
4.Holdtheendoftheshaftanduseatwistingandpullingmotiontocarefully
extracttheshaft,internalcollar,head,andpistonfromthebarrel.
HydraulicSystem:ServiceandRepairs
Page5–120
Groundsmaster
®
3280-D/3320
05138SLRevB