Toro Groundsmaster 4300-D Service Manual page 207

Removing the Lift Cylinder
Groundsmaster ® 4300-D
16226SL Rev C
g193309
1. Flange nut
2. R-clamp
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, set the parking brake, and remove the key from the key switch.
2. Read the General Precautions for Removing and Installing the Hydraulic
System Components (page
3. If the lift cylinder for deck #4 or #5 is being removed, remove the flange nut
and carriage screw that secure the R-clamp to the lift cylinder
4. For assembly purposes, label all the hydraulic connections. Clean the
hydraulic connections before loosening the hydraulic lines from the lift
cylinder.
Before opening the hydraulic system, operate all the hydraulic
controls to release system pressure and avoid injury from the
pressurized hydraulic fluid; refer to
Hydraulic System (page
5. Disconnect the hydraulic hoses from the fittings in the lift cylinder that is to be
removed. Allow the hoses to drain into a suitable container. Remove and
discard the O-rings from the fittings.
6. Install clean caps or plugs on the hydraulic hoses and fittings to prevent
contamination.
7. Remove 1 retaining ring (item 3 in
cylinder slide pin. Pull the pin from the lift cylinder and lift arm. Locate and
retrieve the second thrust washer.
8. Remove the flange-head screw (item 12 in
secure the lift cylinder to the pivot shaft.
9. Remove the lift cylinder from the pivot shaft and frame.
10. If the hydraulic fittings are to be removed from the lift cylinder, mark the fitting
orientation for assembly purposes. Remove the fittings from the lift cylinder
and discard the O-rings from the fittings.
Figure 113
3. Carriage screw
4. #4 lift cylinder
4–87).
CAUTION
Releasing Pressure from the
4–6).
Figure 111) and thrust washer from the
Page 4–145
(Figure
Figure 111) and flat washer that
Hydraulic System: Service and Repairs
113).