Kubota WSM STV32 Workshop Manual page 290

STV32 · STV36 · STV40, WSM
B Oil Flow
The oil from the power steering pump passes through
the regulating valve (3) and check valve (4), and then
flows to the power steering circuit.
The regulating valve (3) is provided to maintain the
inlet pressure of the pressure reducing valve (5) to 30
except when the power steering is operated.
When the bi-speed valve operates, the oil adjusted
with the reducing valve (5) to 18.5
bi-speed valve through A port.
8-M6
HYDRAULIC SYSTEM
flows to the
(1) Power Steering Pump
(2) Regulator Valve
Assembly
(3) Regulating Valve
(4) Check Valve
(5) Pressure Reducing
Valve
(6) Poppet (Check Valve)
(7) Spring
(8) Relief Poppet
(9) Reducing Spool
(10) Ball
(11) Spring Receiver
(12) Adjusting Screw
(13) Adjusting Screw
A : A Port (To Bi-speed
Valve)
B : B Port (To Steering
Controller)
P : P Port ( From Pump)
R : R Port (To Pump)
0000007816E
KiSC issued 04, 2006 A