Lift Cylinder (Sp 2020/3020) - Toro Sand Pro 2020 Service Manual

Lift Cylinder (SP 2020/3020)

Removal
1. Before removing any parts from the hydraulic sys-
tem, park the machine on a level surface, engage the
parking brake, lower attachment, and stop the engine.
CAUTION
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil. Controls must be operated with the
ignition switch in OFF. Remove key from the igni-
tion switch.
2. Label all hydraulic connections for reassembly.
3. Disconnect hydraulic hoses and O–rings from the
hydraulic fittings. Allow hoses to drain into a suitable
container.
4. Put caps or plugs on disconnected hoses and fit-
tings to prevent contamination.
5. Remove cotter pin from the clevis pin. Pull clevis pin
from the hydraulic cylinder and lift arm.
6. Support hydraulic cylinder to prevent it from drop-
ping.
A. Remove a cotter pin from the cylinder pin.
B. Pull cylinder pin from the hydraulic cylinder and
frame.
C. Remove hydraulic cylinder from the frame.
Installation
1. Position hydraulic cylinder tho the frame. Insert cyl-
inder pin through the frame bracket and cylinder. Secure
pin with cotter pins.
2. Position clevis of the hydraulic cylinder to the lift
arm. Insert clevis pin through the cylinder clevis and se-
cure with cotter pins.
3. Remove caps or plugs from the disconnected hose
and fittings. Connect hydraulic hoses and O–rings to the
hydraulic fittings. Tighten hose connections.
4. Charge hydraulic system (see Charge Hydraulic
System).
Sand Pro 2020/3020/5020
1
1. Hydraulic hose
o
2. 90 Hydraulic fitting
o
3. 45 Hydraulic fitting
4. O–ring
Page 4 – 39
6
5
1
6
2
4
3
4
6
8
Figure 28
5. Hydraulic cylinder
6. Cotter pin
7. Cylinder pin (clevis)
8. Cylinder pin
Hydraulic System (Rev. A)
6
7