Oil circuit flow chart
Working pressure
Return
Controlled working pressure
Clutch safety valve
KS
=
lk
KS
KS
Clutch actuator K1
Clutch actuator K2
Gear selector 1 - 3
Gear selector 5 - 7
Gear selector 4 - 2
Gear selector 6 - R
S390_048
Legend
N433 Valve 1 in gear train half 1
N434 Valve 2 in gear train half 1
N435 Valve 3 in gear train half 1
N436 Valve 4 in gear train half 1
N437 Valve 1 in gear train half 2
N438 Valve 2 in gear train half 2
N439 Valve 3 in gear train half 2
N440 Valve 4 in gear train half 2
The clutch safety valves enable the clutches to be drained and therefore opened in the event of a fault.
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