Kubota KX080-3 Workshop Manual page 370

WSM KX080-3 Mechanism
(1)
T
T
(1)
T
IV-M-86
(Neutral condition)
Check valve stands in center position by
spring force when control valve is not
operated.
(P1 and P2 have same pressure.)
(Acceleration and operating condi-
tion)
Check valve is pushed and block the
passage when swivel motor is operated.
(1) Operating pressure
Internal pressure pushes the poppet
and seal.
(Braking condition)
Check valve is pushed and block the
passage by brake pressure.
(1) Brake pressure of motor's pumping
function
Note :
This brake pressure is generated by the
pumping function of the swivel motor's
inertia force when the control lever is
returned to neutral position while swivel-
ing.
On this stage, swivel motor is turning a
little.
IV Hydraulic System