Toro Outcross 9060 Service Manual page 197

Disassembling the Hitch Cylinder (continued)
Inspecting the Hitch Cylinder
Assembling the Hitch Cylinder
Outcross 9060
18234SL Rev B
3. Remove the set screw then use a strap, chain, or spanner wrench to loosen
and remove the external collar.
4. Extract the shaft with head and piston by carefully twisting and pulling on
the shaft.
When you clamp the shaft in a vise, clamp against the shaft clevis
only to prevent damage. Do not clamp the vise onto the shaft.
5. Mount shaft securely in a vise and remove lock nut from the shaft. Slide the
piston, head, and external collar off the shaft.
6. Remove piston seal, wear ring and O-ring from the piston. Remove O-ring,
back-up ring, dust seal, wear ring and shaft seal from the head.
Use eye protection such as goggles when using compressed air.
1. Wash all the cylinder components in clean solvent and dry them with
compressed air.
2. Inspect the internal surface of the barrel for deep scratches, out-of-roundness,
and bending.
3. Inspect the head, shaft, and piston for excessive pitting, scoring, and wear.
4. Replace the cylinder if the internal components are worn or damaged.
Avoid pinching, cutting, or otherwise damaging the O-rings, seals,
and the wear ring during assembly. Lubricate the O-rings, seals, and
the wear ring with clean hydraulic fluid prior to assembly.
1. Use a new seal kit and replace all the seals, O-rings, and the wear ring on
the piston and head.
When you clamp the shaft in a vise, clamp against the shaft clevis
only to prevent damage. Do not clamp the vise onto the shaft.
2. Mount shaft securely in a vise and slide the external collar, head, and piston
onto the shaft.
3. Install the locknut and tighten to 312 N∙m (230 ft-lb).
4. Slide cylinder barrel carefully over shaft assembly and install the external
collar.
IMPORTANT
CAUTION
IMPORTANT
IMPORTANT
Page 5–101 Hydraulic System: Service and Repairs