L3-M4
M9540Low Profile, WSM
TRANSMISSION
(2) Solenoid Valve
Being not electrified, it is kept in neutral position.
Therefore, oil is flowed to neither Bi-speed turn clutch (5)
nor 4WD clutch (4) when the 4WD / Bi-speed turn switch
is switched to OFF position.
Oil of the hydraulic clutch is drained to the
transmission case through the 4WD clutch (4) 2WD side
(b).
When the 4WD solenoid is electrified, the oil pressure
from the P port to A port to 4WD clutch (4).
And the oil pressure feeds the spool (4WD priority
valve) (2) to change the hydraulic line.
The spool (4WD priority valve) (2) opens Bi-speed
turn clutch (5) and tank port to prevent the 4WD clutch (4)
and Bi-speed clutch (5) are not engage at the same time.
W1018650
(1) 4WD Solenoid Valve
(2) Spool (4WD Priority Valve)
(3) Bi-speed Solenoid Valve
(4) 4WD Clutch
(5) Bi-speed Turn Clutch
(6) Rear Differential Lock
Solenoid Valve
(7) PTO Solenoid Valve
A : 4WD Port
B : Bi-speed Turn Port
C : Bi-speed Turn Clutch Port
P : From Power Steering Pump
T : To Tank
(a) 4WD Side
(b) 2WD Side
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