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H
H
ydraulic circuit
P2
P1
F
60
B
D
B
Y1
Y2
NFS
Valve block control circuit
Forward
Speed
F1
F2
Y1
Y2
Y3
Y4
Y5
Y6
Clutch
KV, K1
KV, K2
engaged
NFS Follow-on slide
D
Vibration damper
B
Orifice
P1 Not used
P2 Proportional valve KR
K1
KR
D
56
E
55
P3
D
D
B
Y3
NFS
NFS
Main pressure
valve 16+2.5bar
F3
R1
KV, K3
KR, K1
K3
C
58
P5
P4
D
B
B
Y5
Y4
NFS
Temp
sensor
Converter
Back
pressure
Con.
valve
4.3+3 bar
safety
valve
11+2 bar
Lubrication
Reverse
Neutral
R2
R3
KR, K2
KR, K3
P3 Proportional valve K1
P4 Proportional valve K3
P5 Proportional valve KV
P6 Proportional valve K2
Y1~Y6 Pressure regulators
3-2
K2
KV
B
53
A
57
P6
D
D
B
Y6
NFS
NFS
Pressure
reducing
valve
9 bar
K
65
Filter
By pass valve
5.5 bar
Pump
16+2 bar
Oil sump
Main oil circuit
Positions
on the
measuring
valve block
-
F
-
E
-
D
-
C
-
B
-
A
-
-
D507PT31
No. of
points
60
55
56
58
53
57
-
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