Cub Cadet 8454 - Manual (Page 245)

HYDRAULIC SYSTEM
6-51 D569-W02 May-2003
1. Control valve: Control valve of rotary type is kept at
neutral by the centering spring if the valve is not
operated. It switches over the oil flow into the steer-
ing cylinder along with the GEROTOR against the
turning direction if the steering wheel is operated.
b. Steering Valve
The steering valve is divided into valve and metering
installation. The control valve is composed of housing
(9), spool (2) and sleeve (5), and the metering installa-
tion is composed of the trochoid pump called as
GEROTOR (6).
(1) Steering Valve (Orbitrol Unit)
(2) Relief Valve
569W663A
569W664A
(1) End Cap (6) GEROTOR
(2) Spool (7) Centering Spring
(3) Spacer (8) Pin
(4) Bearing (9) Housing
(5) Sleeve (10) Emergency Check Valve