Removal (Fig. 33)
Parkvehicleonalevelsurface,raiseandsupportbed
(if installed), shut engine off and engage the parking
brake. Remove key from the ignition switch.
2. Install lift valve to vehicle using Figure 33 as a guide.
1.
3. Replace O--rings onhydraulic hoses and fittings. Re-
move caps and plugs from hoses and fittings. Connect
hydraulic hoses to lift valve (see Hydraulic Hose and
Tube Installation in the General Information section of
this chapter).
2.
moval in the Service and Repairs section of Chapter 7
Remove seat base from vehicle (see Seat Base Re-
--
Chassis).
4. Install seat base to vehicle (see Seat Base Installa-
tion in the Service and Repairs section of Chapter 7 --
Chassis). Make sure that lift lever can be moved in con-
trol plate slot to allow correct operation of lift lock.
3.
Installing Hydraulic System Components at the begin-
ning of this chapter section.
Read the General Precautions for Removing and
5.
Checkoillevelintransaxle.AddDexronIIIATFifnec-
essary.
CAUTION
6.
Start the engine, operate at idle speed and operate
the lift lever in both directions until air is out of hydraulic
system.
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.
7. Stop the engine and recheck oil level in transaxle.
Add Dexron III ATF if necessary.
8.
On TC models, verify correct operation of lift lever in-
terlock switch.
4.
Install caps or plugs in hoses to prevent contamination
and leakage of hydraulic oil. Install plugs in valve ports.
Label and disconnect hydraulic hoses from lift valve.
1
4
5.
Remove lift valve from vehicle using Figure 33 as a
guide.
6.
mark fitting orientation to allow correct assembly. Re-
move fittings from valve and discard O--rings.
If hydraulic fittings are to be removed from lift valve,
3
2
Installation (Fig. 33)
1.
If fittings were removed from lift valve, lubricate and
place new O--rings onto fittings. Install fittings into valve
openings usingmarksmadeduringtheremovalprocess
to properly orientate fittings. Tighten fittings (see Hy-
draulic Fitting Installation in the General Information
section of this chapter).
Figure 34
1.
2.
Lift lever
Link
3.
4.
Retainer pin
Lift valve
Workman HD Series
Page 9 -- 43
Hydraulic System
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