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Workman HD Series Page 9 − 57 Hydraulic System
Removal (Fig. 43)
1. Park vehicle on a level surface, shut engine off and
engage the parking brake. Remove key from the ignition
switch.
2. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of this chapter 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.
3. Label and disconnect hydraulic hoses from steering
cylinder. Install caps or plugs in hoses to prevent con-
tamination and leakage of hydraulic oil. Install plugs in
cylinder ports.
4. Remove steering cylinder from vehicle.
5. 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. 44).
Installation (Fig. 43)
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 this chapter).
2. Install steering cylinder to vehicle.
3. Remove caps and plugs from hoses and fittings.
Install new O−rings on hydraulic fittings. Connect hy-
draulic hoses to steering cylinder (see Hydraulic Hose
and Tube Installation in this chapter).
4. Check oil level in transaxle (see vehicle Operator’s
Manual). Add Dexron III ATF if necessary.
5. Start the engine, operate at idle speed and rotate the
steering wheel in both directions until air is out of hydrau-
lic system.
6. Stop the engine and check oil level in transaxle. Add
Dexron III ATF if necessary.
7. Check front wheel alignment and adjust as needed
(see Front Wheel Alignment in Chapter 7 − Chassis in
this manual).
1. Steering cylinder
2. O−ring
3. Hydraulic fitting
4. O−ring
5. Hydraulic hose
6. 90 hydraulic fitting
7. Hydraulic hose
Figure 44
3
1
2
5
4
6
7
2
4
Hydraulic
System