Toro Groundsmaster 4300-D Service Manual page 218

Removing the Steering Cylinder (continued)
Installing the Steering Cylinder
Hydraulic System: Service and Repairs
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
3. For assembly purposes, label all the hydraulic hoses and tubes that are
connected to the fittings on the steering cylinder.
4. Clean the hydraulic hose ends before you disconnect the hoses from the
steering cylinder.
5. Disconnect the hydraulic hoses from the steering cylinder.
6. Install caps or plugs on the disconnected hoses and fittings to prevent
contamination.
7. Remove the 2 jam nuts (item 11 in
cylinder to the axle. Remove the cotter pin (item 12 in
hex nut that secure the steering cylinder to the right drag link.
g193735
1. Ball joint
8. Separate the steering cylinder ball joints from the axle assembly. Remove
the steering cylinder from the machine.
9. If necessary, remove the ball joint from the steering cylinder barrel and
shaft. If the ball joint is to be removed from the cylinder shaft, fully retract
the cylinder shaft and measure the distance from the cylinder front head
to the center of the ball joint for easy installation of the ball joint into the
cylinder shaft (Figure
10. If the hydraulic fittings are to be removed from the steering cylinder, mark
the fitting orientation for assembly purposes. Remove the fittings from the
steering cylinder and discard the O-rings from the fittings.
1. If the hydraulic fittings were removed from the steering cylinder, lubricate
new O-rings with clean hydraulic fluid, position the O-rings to the fittings,
and install the fittings into the steering cylinder ports; refer to
Hydraulic Fittings (SAE Straight Thread O-Ring Fitting into the Component
Port) (page 4–11).
CAUTION
Releasing Pressure from the
4–6).
Figure
Figure 120
2. Cylinder front head
120).
Page 4–156
119) that secure the steering
Figure 119) and slotted
Installing the
Groundsmaster
16226SL Rev C
® 4300-D