Lull 944E-42, Service Manual

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8.235 Model 644E-42/944E-42 Rev. 6/04
Hydraulic System
8.14.9 Stabilizer Cylinder
The stabilizer cylinder (1) is attached to the left side of the
frame at the rear axle and to the cast loop on the axle.
The Stabil-TRAK manifold attached to the stabilizer
cylinder at the left rear of the vehicle provides the
operating characteristics for the patented Stabil-TRAK
system.
a. Stabilizer Cylinder Removal
1. Park the vehicle on a firm, level surface, fully retract
all hydraulic cylinders, ground the attachment (if
any), place the travel select lever in the [N]
NEUTRAL DETENT position, engage the park brake
switch and shut the engine OFF.
2. Place an Accident Prevention Tag on both the
ignition switch and the steering wheel, stating that
the vehicle should not be operated. Refer to Section
1.5, “Accident Prevention Tag Usage.”
3. Unlatch and open the engine cover. Allow the
hydraulic fluid to cool.
4. Label or otherwise mark the hydraulic hoses in
relation to the cylinder being removed. Safely
position suitable supports between the frame and
axle to prevent the frame from leaning to one side.
5. Disconnect and cap all hoses and fittings, etc.
6. Tag and remove all the wire harness connectors
from the stabilizer cylinder manifold.
7. Use a sling and hoist or other suitable lifting device
to support the cylinder. Remove the nuts,
capscrews, and cylinder mount pins securing the
cylinder to the frame and anchor on the axle.
8. Remove the cylinder from the vehicle. Wipe up any
hydraulic fluid spillage in, on, near and around the
vehicle.
WARNING:
Hot hydraulic fluid can
cause severe burns. Wait for hydraulic fluid to
cool before servicing any hydraulic component.
MU3720
1
WARNING:
Escaping hydraulic fluid
under pressure can penetrate the skin, causing
death or serious injury. Relieve hydraulic
pressure before servicing any hydraulic
component.