Hitachi ZW180 Technical Manual page 75

Travel Mode
Switch
M
1-4L
2-4N
1-4H
Shift Switch
FNR Lever
F
N
R
FNR Switch
F
N
R
NOTE: The illustration shows the signal flow when
MC transmits a signal to speed 3 solenoid
valve by pushing the downshift switch once
while traveling forward at speed 4 and the
travel mode switch is set in auto 1-4L.
SYSTEM / Control System
Accelerator Pedal Sensor
Accelerator Pedal
Transmission
Middle Shaft Sensor
MC ECM
Monitor
Unit
OFF
ON
FNR Selector
Switch
T2-1-33
Brake Pressure Sensor
Brake Pedal
Forward Clutch
Solenoid Valve
Reverse Clutch
Solenoid Valve
Engine
1 2 3 4
Speed Shift Solenoid Valve
Transmission
DOWN
UP
Upshift/Downshift
Switch
Vehicle
Speed Sensor
HOLD
Hold Switch
T4GC-02-01-015