Toro Groundsmaster 360 Service Manual page 227

Disassembling the Lift Cylinder
Assembling the Lift Cylinder
Groundsmaster 360
16225SL Rev C
1. Slowly pump the cylinder shaft to remove the hydraulic fluid from the lift
cylinder into a drain pan. Plug both the ports and clean the outer surface of
the cylinder.
When you clamp the hydraulic cylinder in a vise, clamp the clevis
only to prevent damage.
2. Mount the lift cylinder in a vise. Use a vise equipped with soft jaws.
3. Carefully remove the collar with a pipe wrench.
4. Remove the plugs from the ports. Carefully twist and pull the shaft and
remove the shaft with head and piston.
Clamping the vise jaws against the shaft surface could damage the
shaft. When securing the shaft in a vise, clamp the shaft clevis only.
5. Mount the shaft in a vise by clamping on the clevis of the shaft. Remove the
locknut and piston from the shaft. Slide the head off the shaft.
6. Remove the piston seal and O-ring from the piston, and remove the O-ring,
back-up ring, rod seal, and dust seal from the head.
1. Ensure that all the parts are clean before assembly.
2. Put a coating of clean hydraulic fluid on new O-rings, piston seal, rod seal,
back-up ring, and dust seal, and do the following steps:
A. Install the piston seal and O-ring to the piston.
B. Install the rod seal, back-up ring, O-ring, and dust seal to the head.
Clamping the vise jaws against the shaft surface could damage the
shaft. When securing the shaft in a vise, clamp the shaft clevis only.
3. Mount the shaft in a vise by clamping on the clevis of the shaft, and do the
following steps:
A. Put a coating of clean hydraulic fluid on the shaft.
B. Ensure that the collar is positioned on the shaft.
C. Slide the head onto the shaft.
Note: Ensure that you do not damage the seals.
D. Install the piston onto the shaft and secure the piston with the locknut.
Torque the locknut to 54 N∙m (40 ft-lb).
E. Remove the shaft from the vise.
IMPORTANT
IMPORTANT
IMPORTANT
Page 4–169 Hydraulic System: Service and Repairs