Removal (Fig. 25)
Before removing any parts from the hydraulic sys-
tem, park machine on a level surface, engage parking
brake, lower attachment, and stop engine.
Installation (Fig. 25)
1.
1. Make sure lift valve, hydraulic hoses, fittings, and
tubes are cleaned thoroughly.
2.
13)
ing.
Reinstall O–rings (31) and hydraulic fittings (4 and
to the lift valve. Observe match marks when tighten-
CAUTION
3.
Position lift valve (14) to the frame. Insert four cap
screws (15) through the frame and lift valve. Screw lock
nuts (11) to the bottom two cap screws (15).
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.
4. Position lift lever (6) through the frame and attached
pivot bracket (9) and other attached parts onto the top
two cap screws (15). Screw lock nuts (11) to the top two
cap screws (15). Tighten all four lock nuts.
2.
Remove cover from the midsection of the machine.
Pivot seat up. Unscrew knob (5) from lift lever (6).
5.
Secure pivot (18) to the lift valve stem with cap
screw (7) and lock nut (10). Tighten fasteners.
3.
Remove lift valve shroud (2) as follows:
6.
hoses, tubes, and fittings
Remove caps and plugs from the disconnected
A. Remove self tapping screw (16) from the shroud
and frame.
7.
Reconnect hydraulic tube (34) to the 90o hydraulic
fitting (4). Reconnect swivel run T–fitting (12) to the 45o
hydraulic fitting (13). Reconnect both hydraulic hoses
B. Remove both cap screws (3) and lock nuts (38)
securing the shroud, lift lever guide (36), and valve
lever latch (20) to the frame.
(30)
with O–rings (29) to the lift valve. Tighten all con-
C. Lift shroud from the frame.
nections.
4.
Clean lift valve (14) and all hydraulic fittings, tubes,
8. Attach lift valve shroud (2) as follows:
and hoses attached to it thoroughly.
A. Position valve lever latch (20) and lift lever guide
(36) over the lift lever and onto the frame.
5.
Label all hydraulic connections for reassembly.
6.
Disconnect both hydraulic hoses (30) from the lift
B. Insert both cap screws (3) to the shroud.
valve. Disconnect swivel run T–fitting (12) from the 45o
C. Lower shroud around lift lever (6) and onto
frame. Make sure cap screws go through lift lever
guide (36) and valve lever latch (20).
hydraulic fitting (13). Disconnect hydraulic tube (34)
from the 90o hydraulic fitting (4). Allow hoses, tubes, and
fittings to drain into a suitable container.
D. Attach lock nuts (38) to cap screws. Do not
tighten fasteners.
7.
and fittings to prevent contamination.
Put caps or plugs on disconnected hoses, tubes,
E. Reinstall self tapping screw (16) to the shroud
and frame. Tighten screw.
8.
the pivot (18) to the lift valve stem.
Remove cap screw (7) and lock nut (10) securing
9.
Screw knob (5) onto the lift lever (6). Hand tighten.
9.
Remove four cap screws (15) and lock nuts (11) se-
curing the pivot bracket (9) to the lift valve and the lift
valve to the frame. Separate lift valve from the frame.Do
not further disassemble parts assembled to the lift
lever.
10.
System).
Charge hydraulic system (see Charge Hydraulic
11.
Run machine and check lift valve, hydraulic hoses,
tubes, and fittings for leaks. Tighten as necessary.
IMPORTANT: Match mark positions of hydraulic fit-
tings (4 and 13) relative to their ports on the lift
valve.
12.
13.
Adjust lift lever (6) (see Adjust Lift Lever).
Reinstall cover to the midsection of the machine.
10.
Remove remaining hydraulic fittings (4 and 13) and
O–rings (31) from the lift valve.
Sand Pro 2020/3020/5020
Page 4 – 35
Hydraulic System (Rev. A)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3020, Toro 5020, Toro 98957SL.Toro 2020 |
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|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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