UNDERCARRIAGE RT540E SERVICE MANUAL
8-14 Published 4-20-2015, Control # 502-01
3. Remove the capscrews and washers securing the valve
to the frame bracket. Remove the valve.
Installation
1. Secure the valve to the frame bracket with the washers
and capscrews. Torque the capscrews see Fasteners
and Torque Values, page 1-11.
2. Connect the hydraulic hoses to the ports on the valve as
tagged during removal.
3. Connect the electrical connectors to the valve as tagged
during removal.
4. Verify operation as follows:
- Operate the rear steer left and right to verify smooth
operation.
- On outriggers, swing over the front outriggers to
ensure the oscillation cylinders lockout.
5. Check valve and hoses for leaks. Make repairs as
needed.
NOTE: For further information on the Integrated Outrigger/
Rear Steer Manifold, refer to Section 2 -
HYDRAULIC and PRESSURE SETTINGS.
Steer Cylinders
Description
The steer cylinders are mounted on the axles, two cylinders
on each axle. The barrel end of each cylinder is attached to
the axle housing and the rod end is attached to the steering
lug on the axle end. The front cylinders are controlled
hydraulically by the steering control valve. The rear cylinders
are controlled by the integrated outrigger/rear steer valve.
Maintenance
NOTE: For Disassembly and Assembly procedures, refer
to Steer Cylinders in Section 2 - HYDRAULIC and
PRESSURE SETTINGS.
Removal
1. Tag and disconnect the hydraulic lines going into the
steer cylinder. Cap or plug all openings.
2. Remove the capscrews, flatwashers and spring
lockwashers securing each pin weld in the rod end and
barrel end of the cylinder.
NOTE: Steer cylinder weighs approximately 9.07 kg
(19.9 lb).
3. Remove both pin welds and two thrust washers (rod end
only), and remove the cylinder from the axle.
Installation
1. Position the cylinder onto the attachment fittings on the
axle and install both pin welds.
2. Secure each pin weld with the capscrew, flatwashers
and spring lockwashers. Torque the capscrews see
Fasteners and Torque Values, page 1-11.
3. Connect the hydraulic lines to the cylinder as tagged
during removal.
4. Operate the steering system and check the cylinder for
proper operation and any leakage.
Reference Only