Command Valve
Each shift group possesses one command valve (3). The 1-2 / 4-5 and 2-3 command valves are installed in the shift
valve housing; the 3-4 command valve is installed in the valve housing. The command valve switches the shift
group from the stationary phase to the shift phase and back again.
Holding Pressure Shift Valve
Each shift group possesses one holding pressure shift valve (1). The 1-2 / 4-5 and 2-3 holding pressure shift valves
are installed in the shift valve housing; the 3-4 holding pressure shift valve is installed in the valve housing. The
holding pressure shift valve allocates the working pressure to one actuator of a shift group.
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