Toro 07390 Workman HDX-Auto, Service Manual, Page: 235 / 280

Workman HDX Auto Page 7 − 51 Hydraulic System
Removal (Fig. 41)
1. Park vehicle on a level surface, shut engine off and
engage the parking brake. Remove key from the ignition
switch.
2. Remove seat base from vehicle (see Seat Base in
the Service and Repairs section of Chapter 7 − Chassis).
3. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of this section.
CAUTION
Before performing any service or repair on hy-
draulic system components, relieve system
pressure to avoid injury from pressurized hy-
draulic oil. Stop the engine, remove key from the
ignition switch, rotate the steering wheel in both
directions, lower or support the bed and operate
other hydraulic accessories.
4. Label and disconnect hydraulic hoses from fittings in
steering cylinder ports. Install caps or plugs in hoses to
prevent contamination and leakage of hydraulic oil.
Install plugs in fittings.
5. Remove steering cylinder from vehicle using Figure
19 as a guide.
6. If hydraulic fittings are to be removed from steering
cylinder, mark fitting orientation to allow correct assem-
bly. Remove fittings from cylinder and discard O−rings
(Fig. 42).
Installation (Fig. 41)
1. If fittings were removed from steering cylinder, lubri-
cate and place new O−rings onto fittings. Install fittings
into cylinder openings using marks made during the re-
moval process to properly orientate fittings. Tighten fit-
tings (see Hydraulic Fitting Installation in the General
Information section of this chapter).
2. Install steering cylinder to vehicle using Figure 19 as
a guide.
3. Remove caps and plugs from hoses and fittings.
Install new O−rings on hydraulic fittings. Connect hy-
draulic hoses to fittings in steering cylinder ports (see
Hydraulic Hose and Tube Installation in the General In-
formation section of this chapter).
4. Install seat base to vehicle (see Seat Base in the Ser-
vice and Repairs section of Chapter 7 − Chassis).
5. Check oil level in hydraulic reservoir and add oil if
necessary.
6. Start the engine, operate at idle speed and rotate the
steering wheel in both directions until air is out of hydrau-
lic system.
7. Stop the engine and check oil level in hydraulic reser-
voir. Fill reservoir if necessary.
8. Check front wheel alignment and adjust as needed
(see Front Wheel Alignment in the Service and Repair
section of Chapter 7 − Chassis).
1. Steering cylinder
2. O−ring
3. Hydraulic
fitting
4. O−ring
5. Hydraulic hose
6. 90
o
hydraulic fitting
7. Hydraulic hose
Figure 42
3
1
2
5
4
6
7
2
4
Hydraulic
System