Kubota WSM STV32 Workshop Manual page 313

STV32 · STV36 · STV40, WSM
Checking Bi-speed / PTO System Pressure
1. Start the engine and warm up the transmission fluid, and then
stop the engine.
2. Remove the bi-speed system pressure checking port (1) plug
(PT 1/8) on the bi-speed valve (2).
3. Install the adaptor "D" to checking port (1), and then install the
threaded joint, cable and pressure gauge.
4. Start the engine and set the idling speed.
5. Measure the pressure.
6. If the measurement is not within factory specifications, adjust
the pressure reducing valve adjustor (4) on the regulator valve
(5).
Bi-speed / PTO system
Factory spec.
pressure
Condition
A Engine speed ........ Idling speed
A Oil temperature ..... 40 to 60
(Reference)
A Turn to clockwise direction
A Turn to counterclockwise direction
(1) System Pressure Checking
Port (PT 1/8)
(2) Bi-speed Valve
(3) Adaptor D
8-S11
HYDRAULIC SYSTEM
1.76 to 1.86 MPa
18 to 19
256 to 270 psi
(104 to 140 )
Pressure is increased
Pressure is decreased
(4) Pressure Reducing Valve
Adjustor
(5) Regulator Valve
0000007847E
KiSC issued 04, 2006 A