Lull 944E-42 Service Manual - Manual (Page 114)

Cab and Covers
4.10 Model 644E-42/944E-42 Rev. 6/04
6. Remove the retaining nut (1) that secures the steer
selector knob and pull off the knob.
7. Remove the four socket-head screws (2) that secure
the steer select valve to the dash.
8. Remove the left front dash panel (3).
9. Pull the steer select valve (4) through the front dash
opening (5) label and remove the hoses from the
back of the valve.
10. Remove the steer selector valve from the cab and
wipe up any hydraulic fluid spilled in or around the
area.
b. Steer Select Valve Reassembly
Note: Use new oiled o-rings as required. ALWAYS
replace seals, o-rings, gaskets etc., with new parts to
help ensure proper sealing and operation. Lubricate
seals and o-rings with clean hydraulic fluid.
Note: Torque all the fittings as specified in Section 2.3,
“Torques.”
1. Place the steer select valve (6) on a suitable work
surface.
2. Transfer the elbow (7) to the “T” port on the side of
the new steer select valve.
3. Transfer the straight connectors (8) to the individual
ports on the bottom of the new steer select valve.
4. Reinstall the steer select valve into the dash. Refer
to the reassembly procedure in Steer Select Valve
Installation 4.3.4, d for installation procedures.
c. Three-Mode Steering Test
Refer to Section 8.7, “Hydraulic System Testing.”
d. Steer Select Valve Installation
1. Place the steer select valve (9) in the front dash
opening (10) and connect all of the hoses, except for
the drain hose (11), to their corresponding fittings.
MU4010
~
1
3
2
4
5
2
MU3330
6
7
8
MU4060
9
10
11
12
13