Toro Groundsmaster 7210, Service Manual

Page: 185 / 342

Removing the Lift Cylinder (continued)
3. For assembly purposes, label the hydraulic hoses. Also, label the orientation
of the hydraulic hose at the cylinder head for correct assembly.
g033630
Figure 128
1. Lift cylinder 3. Flange-head screw
2. Pivot pin
4. Disconnect the hydraulic hoses that are connected to the hydraulic fittings on
the lift cylinder.
5. Install clean caps or plugs in the hose openings to prevent system
contamination.
6. Remove the retaining ring (item 2 in Figure 127 ) that secures the cylinder
head to the pin on the carrier frame.
7. Remove the locknut, flange-head screw, and pivot pin that attach the lift
cylinder rod end to the right lift arm ( Figure 128 ).
8. Remove the lift cylinder from the machine.
9. If necessary, remove the hydraulic fittings from the lift cylinder.
10. Remove and discard the O-rings from the fittings.
Installing the Lift Cylinder
1. If the hydraulic fittings were removed from the lift cylinder, lubricate and install
new O-rings to the fittings. Install the fittings into the lift cylinder ports and
torque the fittings to
20 to 25 N∙m (15 to 19 ft-lb) .
2. Position the lift cylinder to the machine.
3. Assemble the cylinder head to the pin on the carrier frame with the retaining
ring.
4. Attach the lift cylinder rod end to the right lift arm with the pivot pin,
flange-head screw, and locknut ( Figure 128 ).
5. Remove the caps or plugs that were installed to the hydraulic hoses during
the removal process.
6. Use the labels that you attached during the lift cylinder removal to correctly
connect the hydraulic hoses to the lift cylinder fittings; refer to Installing the
Hydraulic Hose and Tube (O-Ring Face Seal Fitting) (page 4–5) .
7. Lubricate the grease fittings on the lift cylinder and pivot pin.
Groundsmaster 7210 Page 4–125 Hydraulic System: Service and Repairs
16222SL Rev C