Steering Cylinder Service - Toro Groundsmaster 360 Service Manual

Steering Cylinder Service

8
9
10
1
2
1. Collar (2 used)
2. Front head
3. Barrel
4. Front rod
5. Piston assembly
NOTE: Front and rear steering cylinders used on the
Groundsmaster 360 are the same and use the same
service procedures.
NOTE: The following procedures assume the rod end
and ball joint have been removed from the steering cyl-
inder (see Steering Cylinder Removal in this section).
Disassembly (Fig. 135)
1. Remove oil from steering cylinder into a drain pan by
slowly pumping the cylinder rod. Plug both ports and
clean the outside of the cylinder.
IMPORTANT: Prevent damage when clamping the
steering cylinder into a vise; clamp on the barrel cle-
vis ONLY. Do not close vise on barrel or rod.
Hydraulic System
11
3
4
6. Rear rod
7. Rear head
8. Dust seal
9. Head seal
10. Back- -up ring
15
5
Figure 135
2. Mount steering cylinder securely in a vise by clamp-
ing on the barrel clevis. Use of a vise with soft jaws is rec-
ommended.
3. Using a spanner wrench, loosen and remove exter-
nal collars from both ends of barrel.
4. Use a twisting and pulling motion to carefully extract
the rear head from the barrel and rear rod.
5. Grasp end of front rod and use a twisting and pulling
motion to carefully extract the front rod, front head, pis-
ton and rear rod assembly from the barrel.
6. Remove cylinder barrel from vise.
Page 4 - - 120
14
13
12
11
6
7
11. O- -ring
12. O- -ring
13. Piston seal
14. Wear ring
15. Roll pin
Groundsmaster 360
10
9
8
1