wsm L503 - Hydraulic Control System; Hydraulic Circuit and System Outline

3-M15
L3130 · L3430 · L3830 · L4630 · L5030, WSM
TRANSMISSION
[5] HYDRAULIC CONTROL SYSTEM
(1) Hydraulic Circuit and System Outline
(1) Regulating Valve Assembly
(2) Hydraulic Pump
(3) Hydraulic Oil Filter
(4) Regulating Valve
(5) Pressure Reducing Valve
(6) Check Valve
(7) Oil Temperature Sensor
(8) Solenoid Valve 6
(Main Range Shift)
(9) Solenoid Valve 3
(10) Solenoid Valve 1
(11) Solenoid Valve 5
(Sub-range Shift)
(12) Shift Piston
(Main Range Shift)
(13) 3-4 Shift Piston
(14) Solenoid Valve 4
(15) 1-2 Shift Piston
(16) Solenoid Valve 2
(17) Shift Piston (Sub-range Shift)
(18) Shift Check Valve
(Main Range Shift)
(19) 3-4 Shift Check Valve
(20) 1-2 Shift Check Valve
(21) Shift Check Valve
(Sub-range Shift)
(22) Shift Check Valve, Shuttle
(23) Pressure Switch
(24) Clutch Valve
(25) Low-pass Valve
(26) Proportional Reducing Valve
(27) GST Clutch
(28) GST Valve Assembly
a : To Steering Controller
b : From Steering Controller
c : To PTO Clutch Valve
d : Check port for pilot
pressure
e : Check port for clutch
pressure
f : Check port for Low-pass
pressure
g : Check port for system
pressure
KiSC issued 02, 2007 A