Toro Greensmaster 3250-D 04383, Руководство по обслуживанию

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Greensmaster 3250--D Hydraulic System (Rev. I) Page 4 -- 113
Removal (Fig. 81)
1. Before removing any parts from the hydraulic sys-
tem, park machine on a level surface, set brake, lower
cutting units, and stop engine.
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
2. Label all hose connections for reassembly pur-
poses
3. Remove hose assemblies and O--rings from hy-
draulic fittings. Allow hoses to drain into a suitable con-
tainer.
4. Gain access to front ball joint.
A. Remove three cap screws and flat washers se-
curing the fuel tank base plate to frame. Two screws
are on the top of the plate at the front corners of the
tank. The third screw is in front of the castor fork and
below the plate.
B. Tilt fuel tank base up by lifting at the right of the
machine to gain access to the top of the jam nuts
and ball joint. Prop up tank securely.
5. Remove both jam nuts from the ball joint. Rotate
steering cylinder and detach ball joint from frame brack-
et.
6. Pivot steering cylinder out from the frame. Remove
retaining ring from the rear of the cylinder. Remove cyl-
inder from rear ball joint.
7. Remove front retaining ring and ball joint from the
steering cylinder. Remove hydraulic fittings and O--rings
from the cylinder.
CAUTION
Support rear wheel to prevent dropping and
causing personal injury while removing hex nut.
Use two people to remove steering cylinder.
8. If the rear ball joint needs to be removed, accom-
plish the following:
A. Block front wheels. Jack up rear wheel off the
ground by the frame. Secure the frame with the
wheel off the ground.
B. Remove lock nut, bolt, spacers, and wheel from
the castor fork.
C. Remove jam nuts and ball joint from the castor
fork.
Installation (Fig. 81)
1. If the rear ball joint was removed, accomplish the
following:
A. Secure ball joint to the castor fork with jam nuts.
Torque nuts from 65 to 85 ft--lb (88 to 115 N--m) .
B. Install wheel to the castor fork by inserting the
bolt through the fork, spacer, wheel, spacer, and
fork. Secure bolt with lock nut.
C. Lower wheel to ground
2. Install hydraulic fittings and O--rings to the steering
cylinder. Install front ball joint to the cylinder and secure
with retaining ring.
3. Install steering cylinder to the rear ball joint. and se-
cure with retaining ring.
4. Pivot steering cylinder into the frame. Rotate steer-
ing cylinder and install ball joint to the frame bracket. Se-
cure ball joint to the bracket with jam nuts. Torque nuts
from 65 to 85 ft--lb (88 to 115 N--m) .
5. Lower fuel tank base to the frame. Secure base to
the frame with the three cap screws and flat washers.
6. Connect hydraulic hoses and O--rings to the hy-
draulic fittings. Tighten hose connections.
Hydraulic System