Workman HD Series Page 9 -- 47 Hydraulic System
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.
5. Remove hood to gain access to steering control (see
Hood Removal in the Service and Repairs section of
Chapter 7 -- Chassis).
6. Remove four (4) cap screws that secure steering
control valve to vehicle frame. Move steering valve (with
hydraulic hoses attached) away from vehicle frame.
7. Label and disconnect hydraulic hoses from steering
control valve (refer to Figures 37 and 38). Install caps or
plugs in hoses and valve fittings to prevent contamina-
tion and leakage of hydraulic oil.
Installation (Fig. 36)
1. Replace O--rings on hydraulic fittings. Remove caps
and plugs from hoses. Connect hydraulic hoses to cor-
rect steering c ontrol valve ports (refer to Figures 37 and
38) (see Hydraulic Hose and Tube Installation in the
General Information section of this chapter). Make sure
that hoses are not twisted while tightening.
2. Position steering control valve to vehicle frame with
port R toward front of vehicle (Fig. 37). Secure steering
control valve to vehicle with four (4) cap screws.
3. Install hydraulic hose cover over hoses and secure
with cable ties.
4. Install hood to frame (see Hood Installation in the
Service and Repairs section of Chapter 7 -- Chassis).
5. Install steering wheel (see Steering Wheel Installa-
tion in the Service and Repairs section of Chapter 7 --
Chassis).
6. Check oil level in transaxle (see Operator’s Manual).
Add Dexron III ATF if necessary.
7. Start the engine, operate at idle speed and rotate the
steering wheel in both directions until air is out of hydrau-
lic system.
8. Stop the engine and check oil level in transaxle. Add
Dexron III ATF if necessary.
1. R port
2. E port
3. T port
4. P port
5. L port
Figure 37
FRONT OF
VEHICLE
2
1
3
4
5
1. Hyd hose to L port
2. Hyd hose to R port
3. Hyd hose to P port
4. Hyd hose to T port
5. Hyd hose to E port
Figure 38
2
5
1
3
4
Hydraulic
System
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